# Weschler Instruments > Generated by All in One SEO Pro v5.0.2, this is an llms.txt file, used by LLMs to index the site. The Best Resource for Measurement, Control and Test Equipment ## Sitemaps - [XML Sitemap](https://www.weschler.com/sitemap.xml): Contains all public & indexable URLs for this website. ## Posts - [News & Blog](https://www.weschler.com/about/news/) - [Gate Position Indication Update](https://www.weschler.com/blog/gate-position-indication/): Optimize the efficiency of hydroelectric power stations with precise gate position indication. Learn how varying the gate position impacts turbine speed and electricity generation. - [Grounding Issues for Instrumentation Systems](https://www.weschler.com/blog/instrumentation-grounding-issues/): Master Instrumentation Grounding to prevent measurement errors. Learn grounding, shielding, and ground loop fixes for reliable, safe control systems. - [How to Select a Current Transformer for Metering Applications](https://www.weschler.com/blog/how-to-calculate-ct-size-in-x-simple-steps/): Discover how to size a current transformer correctly with our step-by-step guide, ensuring reliable measurement and system protection. - [An Essential Guide to Analog Meters](https://www.weschler.com/blog/an-essential-guide-to-analog-meters/): Learn how analog meters work, key types, when to use them, and tips for accurate readings in electrical testing and measurement. - [The Critical Role of Electrical Fault Detection](https://www.weschler.com/blog/the-shocking-truth-uncovering-electrical-faults-before-they-strike/): Electrical fault detection identifies system failures early to prevent damage, downtime, and safety risks—ensuring reliable and safe electrical operations. - [Common Mistakes When Using a DMM](https://www.weschler.com/blog/common-mistakes-when-using-a-dmm/): Avoid bad readings and hazards. See the top DMM mistakes and how to fix them—lead placement, ranges, CAT ratings, and NFPA 70E tips. - [Insulation Testing: Megohmmeter or Hipot Tester](https://www.weschler.com/blog/insulation-testing-megohmmeter-or-hipot-tester/): There are two common methods for performing insulation resistance testing on cables, wiring and electrical equipment. - [Types of Flow Sensors](https://www.weschler.com/blog/types-of-flow-sensors/): Popular types of flow sensors are differential pressure, thermal, target, paddle wheel, and magneto-inductive. - [USB Interface Basics](https://www.weschler.com/blog/usb-interface-basics/): A USB system consists of a host with one or more USB ports, and peripherals connected in a star configuration. - [Using DC Current Shunts](https://www.weschler.com/blog/using-dc-current-shunts/): The shunt is wired in series with a heavy load, such as a DC motor, battery charger, heater, plating bath or smelter pot line. - [Current Transformer Turns Ratio & Polarity](https://www.weschler.com/blog/current-transformer-turns-ratio-polarity/): A current transformer is used to step down AC current to a level that can be more easily measured by a panel meter/test instrument. - [Tachometer Measurements](https://www.weschler.com/blog/tachometer-measurements/): A tachometer measures the rate of rotation on a gasoline engine, electric motor, disk drive, or other spinning mechanism. - [What is a Synchroscope?](https://www.weschler.com/blog/what-is-a-synchroscope/): Explore the basics of synchroscopes and how they ensure the flawless synchronization of power systems, resulting in uninterrupted electricity supply. - [Navigate to Weschler Instruments at Clean Currents 2025](https://www.weschler.com/news/navigate-to-weschler-instruments-at-clean-currents-2025/): Join Weschler at Clean Currents 2025 in Pittsburgh, Oct 14–17! Network, learn, and explore hydropower solutions. - [Detecting and Measuring High Voltages](https://www.weschler.com/blog/detecting-measuring-high-voltages/): Measuring High Voltages requires specialized tools like probes, voltage detectors, and transformers to ensure accurate, safe readings above 1000V. - [Ratemeters Explained](https://www.weschler.com/blog/ratemeters-explained/): Discover how modern ratemeters enhance flow rate, speed, and process measurements, boosting system integration, throughput, quality, and yield. - [Types of Position Sensors](https://www.weschler.com/blog/types-of-position-sensors/): Explore position sensing techniques, from single point to continuous sensing, including inductive, capacitive, optical, and more for precise industrial applications. - [Electricity Submetering](https://www.weschler.com/blog/electricity-submetering/): Electricity submetering tracks energy use beyond the main utility meter, enabling cost allocation, energy savings, and efficiency for residential and industrial use. - [Elapsed Time Meters](https://www.weschler.com/blog/elapsed-time-meters/): Discover how elapsed time meters (ETMs) track run time, monitor machine use, schedule maintenance, and verify warranties in industrial applications. - [Ethernet for Measurement Applications](https://www.weschler.com/blog/ethernet-for-measurement-applications/): Ethernet is a simple and cost-effective way to network instrumentation and share process or test data within a facility. - [Transformer Loss of Life](https://www.weschler.com/blog/transformer-life-expectancy/): A major factor in transformer life expectancy is the deterioration of the cellulose insulation. Insulation aging is a time function affected by temperature, moisture content, and oxygen content. Insulation temperature is the dominant parameter. - [Ground Detection Voltmeter 101](https://www.weschler.com/blog/ground-detection-voltmeter-101/): Explore the ground detection voltmeter: Discover its function and importance in electrical safety from the experts at Weschler Instruments. - [Using the Table Function in a DPM](https://www.weschler.com/blog/using-the-table-function-in-a-dpm/): The table function is used to define the relationship between the input signal and the output reading in a digital panel meter (DPM). - [Current Sensing for Distorted Waveforms](https://www.weschler.com/blog/current-sensing-for-distorted-waveforms/): Explore accurate AC current sensing in the realm of distorted waveforms. Uncover insights into monitoring devices like variable speed drives and LED bulbs. - [Line Frequency Measurements](https://www.weschler.com/blog/line-frequency-measurements/): Whether for a fixed installation or portable use, a variety of test and measurement instrumentation is available to monitor the power line (mains) frequency in AC systems. - [AC Measurement Considerations](https://www.weschler.com/blog/ac-measurement-considerations/): AC measurement involve more factors than direct current (dc) measurements. Let’s look at how some of these affect the measurement and areas to consider. - [Bluetooth for Instrumentation](https://www.weschler.com/blog/bluetooth-for-instrumentation/): Bluetooth uses a master/slave architecture. One master can communicate with up to seven slave devices using a frequency-hopping spread spectrum technique. - [Reducing Burden in a 4-20mA Loop](https://www.weschler.com/blog/reducing-burden-in-a-4-20ma-loop/): The typical 4-20mA loop has a transmitter, receiver and power supply. The transmitter can be a sensor, transducer, signal conditioner or other measuring device. - [Basic 4-20 mA Current Loops](https://www.weschler.com/blog/basic-4-20-ma-current-loops/): The current loop is a widely used industrial control circuit topology. The basic current loops have three elements. - [Ground Fault Sensing for Industrial Applications](https://www.weschler.com/blog/ground-fault-sensing-for-industrial-applications/): Enhance industrial safety and efficiency with ground fault sensing technology. Discover the benefits of effective detection and mitigation strategies for a secure operational environment. - [Converting a CT Output into a DC Process Signal](https://www.weschler.com/blog/converting-a-ct-output-into-a-dc-process-signal/): Learn what a current transducer is and how to convert the output of an existing current transformer into a DC process signal. - [RS-485 Communication Overview](https://www.weschler.com/blog/rs-485-communication-overview/): RS-485 standard defines a method for serial transmission using differential signal lines shared by up to 32 devices. - [Introduction to RS-232 Devices](https://www.weschler.com/blog/about-rs-232-devices/): RS-232 devices use single-ended signaling. Data is sent as a 0 or 1 voltage level, referenced to signal ground. - [Digital Panel Meters for Process Control](https://www.weschler.com/blog/digital-panel-meters-for-process-control/): Digital panel meters are a good choice when advanced control functions, such as PID, are not required, and on/off or proportional control is sufficient. - [See Weschler Products at POWERGEN International 2023](https://www.weschler.com/news/see-weschler-products-at-powergen-international-2023/): The POWERGEN International conference and exhibition serves as a business and networking hub for electricity generators, utilities and equipment providers engaged in power generation. - [HydroVision International 2022](https://www.weschler.com/news/hydrovision-international-2022/): Weschler Instruments’ HydroVision International booth showcased the Digital Bargraph Meters and Transformer Advantage monitors. - [Weschler to Participate in Techcon 2020 Conference](https://www.weschler.com/news/weschler-to-participate-in-techcon-2020-conference/): Stop at the Weschler Instruments Techcon 2020 booth to meet our T&D specialists and discuss the use of advanced digital instrumentation. - [2022 IEEE T&D Conference and Exposition](https://www.weschler.com/news/2022-ieee-td-conference-and-exposition/): After a two-year hiatus due to Covid, Weschler Instruments resumed its normal trade show and conference schedule in 2022. - [Load Tap Changer Operation and Monitoring](https://www.weschler.com/blog/load-tap-changer-operation-and-monitoring/): The purpose of load tap changers is to regulate the output voltage of a transformer by altering the number of turns in one winding and thus changing the turns ratio of the transformer. - [Yokogawa Elapsed Time Meter Line Purchased by Weschler](https://www.weschler.com/news/yokogawa-elapsed-time-meter-line-purchased-weschler/): Weschler Instruments today announced the purchase of the Elapsed Time Meter (ETM) product line from Yokogawa's Meters & Instruments Division. - [Yokogawa Power Series Plus Product Line Purchased by Weschler](https://www.weschler.com/news/yokogawa-power-series-line-purchased-weschler/): Weschler Instruments has completed the acquisition of the Power Series Plus line from Yokogawa's Meters & Instruments Division. - [Yokogawa Exits Panel Meter Business](https://www.weschler.com/news/yokogama-exits-meter-business/): Weschler Instruments purchased a large stock of Yokogawa analog meters to continue to supply customer needs through the end of the year. - [What is a Switchboard Meter?](https://www.weschler.com/blog/what-is-a-switchboard-meter/): A hundred years ago, the typical switchboard had knife switches, fuses, analog meters and other electrical apparatus mounted on a slate panel. - [80 Years of Instrumentation Innovation](https://www.weschler.com/blog/80-years-of-instrumentation-innovation/): This year Weschler Instruments celebrates its 80th year as a supplier of meters and instrumentation. Much has changed in electronic measurement equipment and technology since 1941. - [80 Years of Panel Meter Evolution](https://www.weschler.com/blog/80-years-of-panel-meter-evolution/): In the last 50 years, digital meter technology was invented, evolved, and continues to advance. The combination of analog and digital products leads to a huge variety of panel instruments. - [What is a Meter Relay?](https://www.weschler.com/blog/what-is-a-meter-relay/): A meter relay is a meter with a switched output that can be used to control a process or activate an alarm. - [Meter Setpoints and Hysteresis](https://www.weschler.com/blog/meter-setpoints-and-hysteresis/): This brief article covers the more popular ways that setpoints and hysteresis are defined and operate in digital panel meters. - [Relay Contact Protection](https://www.weschler.com/blog/relay-contact-protection/): Protecting relay contacts from excessive voltage and current is important to achieving the long operating life that digital instrumentation is designed to provide. - [AC Current Measurement Methods](https://www.weschler.com/blog/ac-current-measurement-methods/): Direct connection to the current-carrying circuit involves breaking the loop. Typically, a low-value resistor is placed in series with the load and the voltage across that resistor is measured. - [Isolation Issues for Panel Meters](https://www.weschler.com/blog/isolation-issues-for-panel-meters/): Some panel meters have signal outputs for remote monitoring, communication, or control. In the simplest implementation, the output low is connected to the circuit low inside the meter. - [AC Current Instrumentation](https://www.weschler.com/blog/ac-current-instrumentation/): Here we will review some of the AC measuring instruments available for fixed, portable, local and remote ac measurements. - [Advantages of An Analog Multimeter](https://www.weschler.com/blog/advantages-of-an-analog-multimeter/): what is an analog multimeter and what advantages does an analog tester have compared to its digital counterpart? Learn more here. - [Instrumentation Switches Explained](https://www.weschler.com/blog/instrumentation-switches-explained/): An instrumentation switch (or instrument switch) is a special-purpose switch used in conjunction with an electrical meter in a control panel. - [Measuring Power Consumption](https://www.weschler.com/blog/measuring-power-consumption/): As the cost of energy escalates, an important issue for many businesses is how to monitor power consumption. - [The Taut-Band Analog Meter](https://www.weschler.com/blog/the-taut-band-analog-meter/): The frictionless, shock-proof, taut-band suspension system has demonstrated superiority over the pivot-and-jewel mechanism in all types of analog panel meters. - [Meter Accuracy Explained](https://www.weschler.com/blog/meter-accuracy-explained/): Specifications for panel meters and test instrumentation usually include an accuracy value. This number defines the maximum amount the meter reading or transmitter output will differ from the ideal value. - [4-20 mA Loop Instrumentation](https://www.weschler.com/blog/4-20-ma-loop-instrumentation/): Three devices are needed to make a 4-20 mA current loop – a transmitter, receiver and loop power supply. Transmitter The transmitter is the device that controls the current circulating in the loop. It converts a physical or electrical parameter into a 4-20 mA signal, where 4 mA represents the zero value and 20 mA - [Temperature Measuring Instrumentation](https://www.weschler.com/blog/temperature-measuring-devices/): Temperature is the most commonly measured physical parameter. Many different types of temperature measuring devices exist for this very function. - [How to Size a Current Transformer](https://www.weschler.com/blog/how-to-size-a-current-transformer/): The Current Transformer (CT) is used to sense AC current in single-phase or three-phase circuits. Select the right current transformer with our sizing guide - [Which Sensor Output is Best?](https://www.weschler.com/blog/which-sensor-output-is-best/): Sensor output can be either a voltage or a current. Which output is best for a particular application depends on several factors. - [Display Resolution Is Not Accuracy](https://www.weschler.com/blog/resolution-is-not-accuracy/): Casual users of digital instrumentation often assume that more resolution on the measurement display provides a more accurate measurement - this is rarely the case. - [Digital Bargraph Meters](https://www.weschler.com/blog/digital-bargraph-meters/): The latest digital bargraph meters include multiple input channels, real-time clock, data logging functions, and sophisticated control capability. - [Differences Between LCD and LED Displays](https://www.weschler.com/blog/differences-between-lcd-and-led-displays/): At Weschler Instruments, we carry a wide selection of digital panel meters from an assortment of manufacturers in both LCD and LED displays. Find out which is best for your specific needs. - [Choosing the Right Panel Meter](https://www.weschler.com/blog/choosing-panel-meters/): Selecting a panel meter for a particular application can be a daunting task, given the wide variety of products that are available today. There are many factors to consider when making a decision. - [Introduction to Process Calibrators](https://www.weschler.com/blog/introduction-to-process-calibrators/): Process calibrators are handheld, battery-powered instruments used for field testing and calibration of industrial process equipment. - [Managing Transformer Temperatures with An Intelligent Transformer Monitor](https://www.weschler.com/blog/managing-transformer-temperatures-with-an-intelligent-transformer-monitor/): Intelligent transformer monitors, such as the Weschler Transformer Advantage, provide users with reliable thermal data and flexible cooling control. - [Weschler to Exhibit at Powergen 2019](https://www.weschler.com/news/weschler-to-exhibit-at-powergen-2019/): Visit the Weschler Instruments booth at Powergen 2019 to see meters and instrumentation optimized for power generation applications. - [New weschler.com Website Provides Enhanced User Experience](https://www.weschler.com/news/new-weschler-com-website-provides-enhanced-user-experience/): A new Weschler Instruments website has launched with enhanced functionality to support users of meters, sensors and test equipment. ## Pages - [Home](https://www.weschler.com/): Weschler Instruments is a global manufacturer and distributor of measurement and test equipment including panel meters, bargraphs and more! - [Weschler Product Documentation](https://www.weschler.com/reference/weschler-product-documentation/): Download Weschler product manuals, including Bargraph meters and Transformer Advantage units. Contact us for additional product information. - [Miscellaneous](https://www.weschler.com/reference/application-notes/miscellaneous/): These articles are of general interest or cover topics not included in other application note categories. - [Application Notes](https://www.weschler.com/reference/application-notes/): From temperature and energy measurements to relay configurations, Weschler has the application you need to support your specific product or system. - [CT Measurements](https://www.weschler.com/reference/application-notes/ct-measurements/): There are a range of tools used for current transformer measurements, including The Current Transformer (CT) which is used to sense AC current in single-phase or three-phase mains circuits. - [Meter Modification](https://www.weschler.com/services/meter-mods/): Meter modification is available for Weschler meters and our distributor lines, including Crompton, Hoyt, Laurel Electronics, Modutec, Simpson and more. - [Water & Wastewater](https://www.weschler.com/industries/water-wastewater/): Weschler provides sensors, transducers and signal conditioners to monitor temperature, flow, pump load, power feeds and other process variables. - [Oil & Gas](https://www.weschler.com/industries/oil-gas/): Rugged instrumentation for oil & gas applications, including panel meters, transducers, power monitors, and process measurement controls. - [Industries](https://www.weschler.com/industries/): For over 75 years, Weschler Instruments has supplied rugged, reliable electronic measuring tools for power, steel, chemical, and paper industries. - [Electric Power](https://www.weschler.com/industries/electric-power/): Weschler Instruments supplies products in all major segments of the Electric Power industry, including digital and analog meters. - [Conflict Minerals Policy](https://www.weschler.com/reference/conflict-minerals/): We strive to have a Conflict-Free supply chain and are working with our vendors to confirm that products they supply do not contain conflict minerals. - [Technical Organizations](https://www.weschler.com/reference/technical-organizations/): Use our helpful glossary of affiliated technical organizations for links to the respective organization or contact us at Weschler Instruments for more info! - [Glossary of Terms](https://www.weschler.com/reference/glossary-of-terms/): Find definitions for technical terms related to meters and measurements. We are a service-oriented manufacturer and distributor of electronic and electrical measuring instruments. - [Conversion Factors](https://www.weschler.com/reference/conversion-factors/): Our measurement conversions factor table includes factors for temp, pressure, weight, volume, area, distance, power, energy and other engineering units. - [Panel Meters](https://www.weschler.com/reference/application-notes/panel-meters-resources/): These resources examine various types of analog and digital meters, their selection and use in industrial applications. - [Guides](https://www.weschler.com/reference/guides/): Explore practical guides on current transformers, AC power measurement, temperature sensing, process control, and power quality. - [History](https://www.weschler.com/about/history/): Weschler has become a leading measurement and control equipment company with 2 production and distribution facilities and sales offices in 5 states. - [Capabilities](https://www.weschler.com/about/capabilities/): We stock both meter subassemblies and finished meters, transducers, sensors, signal conditioners and test equipment. At Weschler Instruments, we have the knowledge and experience to meet all your measurement and control needs. - [Configure a Digital Meter](https://www.weschler.com/contact/configure-a-digital-meter/): Use this worksheet to define your meter requirement. An application specialist will reply by e-mail or phone within 1 day. - [Configure an Analog Meter](https://www.weschler.com/contact/configure-an-analog-meter/) - [Request Literature](https://www.weschler.com/contact/request-literature/): From our bargraph catalog to our comprehensive catalog of measurement and control products, we offer an easy option to download any of our literature online - [Contact](https://www.weschler.com/contact/): Contact Weschler Instruments, a service-oriented manufacturer and distributor of electrical and electronic measuring instruments for over 75 years. - [Services](https://www.weschler.com/services/): Weschler provides consultation, instrument selection, configuration support, and assessment of customization. - [Resources](https://www.weschler.com/reference/): Here is a collection of resource material to help you understand, select and useinstrumentation products in various applications. - [About Us](https://www.weschler.com/about/): For over 80 years, Weschler Instruments has been a service-oriented manufacturer and distributor of electrical measuring instruments. - [AC Power Measurement Guide](https://www.weschler.com/reference/guides/ac-power-measurement-guide/): Power measurements are made by measuring the RMS current and voltage and applying the formula P = VrmsArms. Complete guide here. - [AC Measurements](https://www.weschler.com/reference/application-notes/ac-measurements/): These resources focus on the basic concepts, methods, and instrumentation for ac current and voltage measurements. - [Process Control](https://www.weschler.com/reference/application-notes/process-control/): Most industrial processes require that certain variables such as temperature, flow, level or pressure, remain at or near some reference value (setpoint). - [Power & Energy Measurements](https://www.weschler.com/reference/application-notes/power-measurements/): Power measurements are made by measuring the RMS current and voltage and applying the formula P=VrmsArms. Learn more here. - [Signal Conditioning & Sensors](https://www.weschler.com/reference/application-notes/signal-conditioning-sensors/): These resources cover sensors for physical and electrical measurements and signal conditioners that convert or transmit signals for measurement by panel meters and other instrumentation. - [Communications](https://www.weschler.com/reference/application-notes/communication/): These articles discuss various methods for digital communications with measuring instruments and test equipment. USB Interface Basics provides an overview of the Universal Serial Bus and how it is used with test & measurement instrumentation. Introduction to RS-232 Devices reviews this serial communication standard and compatible instrumentation. RS-485 Communication Overview discusses the RS-485 standard for - [Transformer Monitoring](https://www.weschler.com/reference/application-notes/transformer-monitoring/): These resources focus on temperature monitoring and control for oil-filled transmission and distribution transformers. - [Representatives](https://www.weschler.com/contact/representatives/): Contact one of our knowledgable Weschler Instruments Representatives today for measurement and control product information and support. - [Panel Meter Overview](https://www.weschler.com/reference/application-notes/panel-meters-resources/panel-meters/): Learn about the various types of panel meters and their unique capabilities. From digital to analog models Weschler carries an extensive range. - [Test Equipment](https://www.weschler.com/reference/application-notes/test-equipment/): These application notes examine various aspects of electrical testing and portable test equipment. - [Sizing a Motor CT](https://www.weschler.com/reference/guides/sizing-a-motor-ct/): Use this chart to select the CT rating for various motor sizes. This chart applies to three-phase AC induction type, squirrel cage and wound rotor motors. - [LTC Temperature Monitoring](https://www.weschler.com/reference/application-notes/transformer-monitoring/ltc-temperature-monitoring/): The mission of the Advantage LTC is to measure the true temperature differential between the main and LTC tank fluids, reject transient temperature differences and alarm when the true temperature differential exceeds a pre-set magnitude. - [Configuring Alarms & Relays in the Enhanced Transformer Advantage](https://www.weschler.com/reference/guides/configuring-alarms-relays-guide/): The Transformer Advantage product family offers a variety of relay options. Some choices are made when the Advantage is specified and ordered. - [Introduction to CT Measurements](https://www.weschler.com/reference/application-notes/ct-measurements/introduction-to-ct-measurements/): Current transformers are available in various sizes and styles, with standard ratios of 50:5 to 4000:5. Learn more about CT measurement here. - [Temperature Measurements](https://www.weschler.com/reference/application-notes/temperature-measurements/): Tools for temperature measurements, include sensors that convert temperature into an electrical signal that can be read by electronic instrumentation. - [Digital Bargraph Meters](https://www.weschler.com/reference/application-notes/panel-meters-resources/digital-bargraph-meters/): Digital bargraph meters were developed to combine the best features of analog and digitial indication for measurement of process parameters. - [Instrumentation for Metal Processing & Plating](https://www.weschler.com/reference/application-notes/industries/metal-processing-instrumentation/): We specialize in industrial grade meters, testers and sensors that require rugged, reliable and accurate instrumentation. Learn more today! - [Instrumentation for Marine Applications](https://www.weschler.com/reference/application-notes/industries/marine-instrumentation/): Weschler distributes a wide range of products to sense, measure, display, transmit, control and record power and process signals, including bargraph meters. - [Locomotive & Transit Meters](https://www.weschler.com/reference/application-notes/industries/locomotive-transit-meters/): We offer quick turnaround on standard items utilizing our large inventory of component parts and in-house design capabilities. - [Instrumentation for Utility & Industrial Power Applications](https://www.weschler.com/reference/application-notes/industries/instrumentation-for-utility-industrial-power-applications/): Utility and industrial customers worldwide use our meter instruments to monitor and control critical power functions. - [Industries](https://www.weschler.com/reference/application-notes/industries/): These articles describe test and measurement requirements in certain industries and the Weschler products that are suitable for those applications. - [Measurement & Control News](https://www.weschler.com/reference/measurement-control-news/): These postings highlight products, applications, and information of interest to instrumentation users. The archived issues below are available for viewing and downloading. More recent postings appear in the News section. February 2019: NK Power Transducers, AEMC Scope & PQA, API Plug-in Transmitters September 2018: Illuminated Meters, Multi-Function Tester, Temperature Controllers April 2018: Process Calibrators, Switchboard - [Power Quality In a Nutshell](https://www.weschler.com/reference/guides/power-quality/): Power Quality isn't difficult to understand. The problem is finding reliable sources of such information, provided in an easy-to-understand way with real-world examples. - [Guide to Temperature Measuring Sensors](https://www.weschler.com/reference/guides/guide-to-temperature-measuring-sensors/): A variety of sensors are used to convert temperature into an electrical signal that can be read by electronic instrumentation. - [Aerospace](https://www.weschler.com/industries/aerospace/): Weschler is a popular choice among the aerospace industry for high quality and specialized panel indicators, bargraph meters and test instrumentation. - [Practical Guide to Earth Resistance Testing](https://www.weschler.com/reference/guides/practical-guide-to-earth-resistance-testing/): Nothing is quite so common or abundantly available throughout the worldas the earth’s soil. We are more apt to think of the earth as something to betilled for planting or to be excavated for a building foundation. - [Guide to Process Control](https://www.weschler.com/reference/guides/guide-to-process-control/): The process controller looks at a signal representing the process value, compares it to the desired setpoint and acts on the process to minimize the difference (error). - [Guide to Current Transformers](https://www.weschler.com/reference/guides/selecting-current-transformers/): Current transformers are specified by size (VA rating), ratio and accuracy. The VA rating determines the maximum secondary impedance (lead+terminal+meter impedance) that can be driven at the stated accuracy. - [Video](https://www.weschler.com/about/video/): This 2 minute video describes key products, industries and applications for Weschler Instruments. - [Transformer Advantage II](https://www.weschler.com/transformer-advantage-ii/): Extend the life of your transformers, utilize maximum capacity, and reduce maintenance costs with our precision temperature monitor. - [Meter Accessories](https://www.weschler.com/services/meter-mods/meter-accessories/): Weschler offers a variety of accessories for use with bargraph and digital panel meters. In addition to the items listed on each model's configuration guide, we carry a wide selection of input transducers, sensors & signal conditioners. - [Line Card](https://www.weschler.com/about/line-card/): Check out our line cards for a range of instruments, including panel meters, bargraph meters, controllers, transducers and more. - [Products](https://www.weschler.com/shop/): Weschler distributes a range of products to sense, transmit, measure, display and record power and process signals. Shop electronic measuring devices today! - [Green Energy](https://www.weschler.com/industries/green-energy/): Energy management and energy conservation start with the ability to monitor power and energy use. For electrical systems, this involves measuring DC or AC power (Watts, VA, VAr) or energy (Wh, VAh, VArh). In fixed installations, digital meters offer a range of display formats, capabilities & sizes. Single display power/energy meters start at $150. Multiple - [Marine & Military](https://www.weschler.com/industries/marine-military/): Rugged, EMI hardened Bowmar Bargraphs from Weschler Instruments are a popular solution for a range of military applications. Learn more here. - [Request a Quote](https://www.weschler.com/request-a-quote/): Use this form to request price and delivery on a specific product. Or tell us about your application to get our recommendation for suitable products. For other product information, Shop all Products or use the site search. Looking for a different product? See all Products or use the site search. - [Cookie Policy](https://www.weschler.com/cookie-policy/): This site uses cookies - small text files that are placed on your machine to help the site provide a better user experience. In general, cookies are used to retain user preferences, store information for things like shopping carts, and provide anonymised tracking data to third party applications like Google Analytics. As a rule, cookies - [Industrial Manufacturing](https://www.weschler.com/industries/industrial-manufacturing/): We proudly supply the industrial manufacturing industry with reliable meters, sensors and test equipment to monitor, control and support their operations. - [Land Transportation](https://www.weschler.com/industries/land-transportation/): Commercial transportation is a target industry for us. We supply analog and digital meters, data loggers, transducers and more. - [Mining & Metals](https://www.weschler.com/industries/mining-metals/): Weschler switchboard meters and sensors on borers, grinders, conveyors and other equipment for the mining and metals industries. - [Privacy Policy](https://www.weschler.com/privacy-policy/): Weschler is committed to ensuring that your privacy is protected. Our privacy policy sets out how we use and protect any information that you provide online - [Subscribe to Newsletter](https://www.weschler.com/contact/subscribe-to-newsletter/): Please fill out the fields below and click "Submit" to subscribe to our newsletter. We will never share your information with third parties. Email marketing you can trust-- from Weschler Instruments. All fields marked with * are required. - [Custom Products](https://www.weschler.com/services/custom-products/): Weschler Instruments offers product customizations to meet special requirements. Our application & design teams will define and deliver optimized solutions. - [System Integration & Meter Assembly](https://www.weschler.com/services/assemblies/): Our integration and assembly services include meter assembly into a panel, rack or enclosure; simplifying installation of one instrument or a large cluster. - [Repairs & Calibration](https://www.weschler.com/services/repairs-calibration/): Our instrument calibration services are NIST traceable and can be provided with test data. Specializing in analog, digital meters, relays and controllers. - [Application Assistance](https://www.weschler.com/services/application-assistance/): Weschler are happy to help you choose the right analog meter, digital meter, transducer, sensor or other products from the various brands we carry. - [Sitemap](https://www.weschler.com/sitemap/) ## Products - [AC Current Transformers, Window Size 2" - 3"](https://www.weschler.com/product/weschler-ac-current-transformers-window-size-2-3-2/): Weschler Metering Current transformers Models 7 (2.5” window dia), 76 (3” window dia) and 180 (2.5” window diameter). - [AC Current Transformers, > 3" Window Size](https://www.weschler.com/product/weschler-ac-current-transformers-window-size-3-2/): Weschler Metering Current Transformers, Model 8 (3.25" Dia Window) & Model 170 (4.25" Dia Window). 200 to 4000 Amperes with 5A output. - [AC Current Transformers, Window Size < 2"](https://www.weschler.com/product/weschler-ac-current-transformers-window-size-2-2/): Weschler Metering Current transformers Model 2 and Model 5 (1.56” dia window) for use with ammeters, wattmeters, and cross current compensation. - [Three Phase Current Transformers (Window 0.97″ & 1.56″) – 3P3 & 3P4 – GE ITI](https://www.weschler.com/product/3-phase-current-transformers-window-0-97″-1-56″-3p3-3p4-ge-iti/): These Three Phase Current Transformers are designed for use with ammeters, wattmeters and cross current compensation or for relay driver application. - [Fusion Ethernet Input Displays - London Electronics](https://www.weschler.com/product/fusion-ethernet-input-displays-london-electronics/): Fusion-IP large LED displays accept EtherNet/IP or Modbus TCP input and drive PLCs directly. Digits readable up to 200m, IP65-sealed for indoor or outdoor use. - [Fusion Large Display Meters - London Electronics](https://www.weschler.com/product/fusion-large-display-meters-london-electronics/): The London Electronics Fusion series of large display meters let you clearly see important information from a distance and are ideal for use in public areas, offices, large factories and outdoor installations. - [AEMC Digital Multimeters with Graphical Display MTX Series](https://www.weschler.com/product/aemc-digital-multimeters-with-graphical-display/): The AEMC MTX series portable hand-held True RMS multimeters with digital display (Models MTX 3290 & MTX 3291) and graphical color display. - [AEMC L400 Series Data Loggers](https://www.weschler.com/product/aemc-l400-series-data-loggers/): The AEMC Simple Data Logger L400 Series delivers unattended, high-resolution electrical system data that turns troubleshooting guesswork into answers. - [Multi-Function Ground Resistance Tester Models 6470B & 6472 - AEMC](https://www.weschler.com/product/multi-function-ground-resistance-tester-models-6470b-6472-aemc/): The AEMC Digital Ground Resistance Tester Model 6470-B and 6472 perform grounding resistance, earth coupling measurements, soil resistivity and bonding tests. - [PEL112/113 Power & Energy Loggers - AEMC](https://www.weschler.com/product/pel112-113-power-energy-loggers-aemc/): Power quality monitor, energy analyzer, and datalogger - for single, three phase & DC systems. Available with or without local display. - [AEMC Portable Oscilloscopes](https://www.weschler.com/product/aemc-portable-oscilloscopes/): These compact, shockproof, IP54, handscope portable oscilloscopes can be comfortably held in one hand. - [Clamp-On Meters - AEMC Model 404 & 606](https://www.weschler.com/product/clamp-on-meters-aemc-model-404-606/): The AEMC® Power Clamp-on Meters provide a new standard for safety and measurement capability not available in any other clamp-on meter sold today. - [AEMC Data Loggers 3 & 4 Channel Wi-Fi / USB Models DL913 & DL914](https://www.weschler.com/product/aemc-data-loggers-3-4-channel-wi-fi-usb-models-dl913-dl914/): The DL913 and DL914 AEMC Data Loggers are easy-to-operate, rugged loggers that can be used both indoors and outdoors. - [Handheld Megohmmeters & Multi-Function DMM- AEMC](https://www.weschler.com/product/digital-analog-handheld-megohmmeters-multi-function-aemc-2/): The AEMC Megohmmeter 65xx series are handheld, battery-powered digital insulation resistance testers. They are designed to measure Insulation Resistance, Continuity and Voltage. - [AEMC Power Quality Analyzer PowerPad IV Model 8345](https://www.weschler.com/product/aemc-power-quality-analyzer-powerpad-iv-model-8345/): The PowerPad® IV Model 8345 is a portable, three-phase Power Quality Analyzer that is easy to use and offers the highest measurement accuracy. - [AEMC AC/DC Clamp-On Current Probes - MR Series](https://www.weschler.com/product/aemc-ac-dc-clamp-on-current-probes-mr-series/): AEMC® MR Series AC/DC Current Measurement Probes. The MR Series are all Hall Effect current probes. Shop online today. - [AEMC Contact / Non-Contact Tachometers - Models CA1725 & CA1727](https://www.weschler.com/product/aemc-contact-non-contact-tachometers-models-ca1725-ca1727/): The AEMC Tachometer Models CA1725 & CA1727 are simple to use and offer numerous measurement possibilities with or without contact. - [AEMC TRMS Clamp-On Leakage Current Meter - Model 566](https://www.weschler.com/product/aemc-trms-clamp-on-leakage-current-meter-model-566/): The AEMC TRMS Clamp-On Leakage Current Meter Model 566 is designed to measure low AC currents, which are typically leakage currents in ground conductors. - [AEMC Hand-Held Megohmmeter / Multimeter](https://www.weschler.com/product/aemc-hand-held-megohmmeter-multimeter/): The Models 6528 and 6529 are low cost 1000V hand-held instruments that offer Multimeter functions as well as Megohmmeter functions. - [AEMC Multi-Function Ground Resistance Testers - 6422 & 6424](https://www.weschler.com/product/aemc-multi-function-ground-resistance-testers-6422-6424/): The AEMC Digital Ground Resistance Testers Models 6422 and 6424 performs 2-pole and 3-pole ground resistance measurements. - [AEMC Portable Hand-Held Oscilloscopes with WiFi - OX 9000 series](https://www.weschler.com/product/aemc-portable-hand-held-oscilloscopes-with-wifi-ox-9000-series/): The AEMC OX 9000 series hand-held oscilloscopes are rugged two or four-channel units with a bandwidth of 60, 100 or 300 MHz, FFT function, recording mode, and power measurement capability. - [Simple Logger Data Loggers SL Series - AEMC](https://www.weschler.com/product/simple-logger-data-loggers-sl-series-aemc/): AEMC’s Simple Logger® Data Loggers are small one channel recording devices powered by two AA alkaline batteries or through the USB port. - [AEMC 14" Flexible Current Probe](https://www.weschler.com/product/aemc-ac-current-flexible-sensor-model-ma114/): The Miniflex® MA114 is an AC current sensor composed of a flexible Rogowski coil and an electronic module. - [AEMC Phase & Motor Rotation Meters](https://www.weschler.com/product/aemc-phase-rotation-meter/): The Phase Rotation Meter Model 6610 by AEMC is an essential tool for any installation, inspection and maintenance facility. - [AEMC Air Quality Loggers](https://www.weschler.com/product/aemc-air-quality-loggers/): The AEMC Indoor Air Quality Logger Model 1510 monitors temperature, humidity, and carbon dioxide (CO2) in the local environment. - [AEMC 1950 Temperature / Infrared Thermal Imaging Camera](https://www.weschler.com/product/aemc-1950-temperature-infrared-thermal-imaging-camera/): AEMC 1950 Temperature/Infrared Thermal Imaging Camera makes it easy to perform thermal inspections for an energy audit and ensures trouble-free industrial, electrical, or mechanical maintenance. - [Clamp-On Ground Resistance Testers - Models 6416 & 6417 - AEMC](https://www.weschler.com/product/clamp-on-ground-resistance-tester-models-6416-6417-aemc-2/): The AEMC Ground Resistance Testers Model 6416 and Model 6417 measure ground rod and grid resistance and impedance without the use of auxiliary rods. - [1000V Digital Multimeter / Megohmmeter Model 6529 - AEMC](https://www.weschler.com/product/1000v-digital-megohmmeter-model-6527-aemc/): The Model 6529 is a portable multi-range True Megohmmeter® capable of measuring insulation resistance from 1kΩ to 4000MΩ. - [1000V Analog Megohmmeter Model 1015 - AEMC](https://www.weschler.com/product/1000v-analog-megohmmeter-model-1015-aemc/): The Megohmmeter® model 1015 is a compact, self-contained, battery-operated True Megohmmeter®, designed for use in harsh environments. - [5000V Digital/Analog Megohmmeter Models 5050, 5060 & 5070 - AEMC](https://www.weschler.com/product/5000v-digital-analog-megohmmeter-models-5050-5060-5070-aemc/): Displays test voltage, insulation resistance, and leakage current during the test; and capacitance and discharge voltage present at the test leads at the conclusion of the test. - [10kV & 15kV Digital Megohmmeters Models 6550 & 6555 - AEMC](https://www.weschler.com/product/10kv-15kv-digital-megohmmeters-models-6550-6555-aemc/): The Digital Megohmmeter Models 6550 and 6555 are expert tools for testing insulation safely and accurately and ideal for use on rotating equipment and machinery. - [1000V Digital/Analog Megohmmeter Model 1060 - AEMC](https://www.weschler.com/product/1000v-digital-analog-megohmmeter-models-1050-1060-aemc/): The Megohmmeter Model 1050 and 1060 are 1000V Digital/Analog Insulation Testers. Designed to facilitate testing by incorporating automatic measurement features and user-friendly functions. - [Digital Ground Resistance Tester Models 4620 & 4630 - AEMC](https://www.weschler.com/product/digital-ground-resistance-tester-models-4620-4630-aemc/): The AEMC Digital Ground Resistance Tester Models 4620 & 4630 perform ground resistance and soil resistivity tests. - [AEMC 24" Flexible Current Probe](https://www.weschler.com/product/aemc-flexible-current-probe/): The FlexProbe® Model 24-3001 is a low-cost AC current measurement probe designed to plug into digital multimeters, oscilloscopes and power recorders. - [AEMC 4000/6000 Count Multimeters - 5000 Series](https://www.weschler.com/product/aemc-4000-6000-count-multimeters-5200-series/): AEMC 5000 Series portable hand-held multimeters are compact and simple to use. These DMMs have a large backlit display & non-contact voltage detection - [AEMC Voltage Testers](https://www.weschler.com/product/aemc-voltage-testers/): Voltage testers are an essential tool for electricians to ensure that voltage is not present before working on any electrical equipment or installation connected to the electrical system. - [AEMC Three-Phase Power Quality Analyzer - PowerPad III](https://www.weschler.com/product/aemc-three-phase-power-quality-analyzer-powerpad-iii/): The PowerPad® III Models 8333 and 8336 are three-phase power quality analyzers that are easy-to-use, compact and shock-resistant. - [AEMC Clamp-On Power Meters](https://www.weschler.com/product/aemc-clamp-on-power-meters/): The AEMC® Power Clamp-on Meters provide a new standard for safety and measurement capability not available in any other clamp-on meter sold today. - [AEMC Clamp-On TRMS Multimeters](https://www.weschler.com/product/aemc-clamp-on-multimeters/): The AEMC Clamp-on Meter Models 203, 403, 603, 512 and 514 provide a new standard for safety and measurement capability not available in any other clamp-on meter sold today. - [Multifunction Power & Energy Meter - Acuvim L - Accuenergy](https://www.weschler.com/product/multifunction-power-energy-meter-acuvim-l-accuenergy/): The Acuvim L is a cost-effective, multifunction power and energy meter that offers value and high-performance for a wide range of standard metering projects. Designed for easy integration into panel or device monitoring applications, the plug-in expansion modules allow communication across Modbus-RTU or Profibus networks and the tough NEMA rated design ensures years of dependable - [Acuvim II Power Meters - Accuenergy](https://www.weschler.com/product/acuvim-ii-power-meters-accuenergy/): Quality engineered energy submeters provides a simple robust solution for power monitoring, power quality analysis, kWh metering, system integration, controlling power distribution systems & other speciality applications Revenue Grade Metering 5 Function Display Power Quality Analysis Over/Under Limit Alarm Data-Logging (Acuvim IIR) Web Server & Email Enabled Remote Switch Control Analog & Digital I/O Options - [AC Amps / AC Volts / Frequency Digital Switchboard Meters 2491 Series - Weschler](https://www.weschler.com/product/ac-amps-ac-volts-frequency-digital-switchboard-meters/): 2491 Power Series Plus Digital Switchboard Meters: Model 2491 includes AC Amperes, AC Voltage, and Frequency measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with a transducer output which can be configured in the field by an end-user - [MINI Series Digital Panel Meters - Texmate](https://www.weschler.com/product/mini-series-digital-panel-meters-texmate/): The Texmate MINI Series miniature digital panel meters have a 3½ digit, 7mm LED display. Case depth only 1.8". Choose from Volts or Process Ammeter input. - [IMT100 Industrial Multi Tester - Megger](https://www.weschler.com/product/imt100-industrial-multi-tester-megger/): Used to measure the turns ratio, excitation current and polarity of windings in single- and three-phase distribution and power transformers, potential and current transformers, and tapped transformers. - [Pyragon Universal Temperature Transmitters](https://www.weschler.com/product/pyragon-universal-temperature-transmitters/): The Pyragon 2800T/2850T Temperature Transmitters have a built-in 5 digit display that indicates process inputs as well as °F, °C, Ω and %. - [Pyragon Loop Isolator](https://www.weschler.com/product/pyragon-loop-isolator/): The 10AI Loop Isolators are a good solution for solving ground loop problems in a process environment. Each isolator is powered in a different way. - [Pyragon Universal Process I/O Module](https://www.weschler.com/product/pyragon-universal-process-i-o-module/): The P3100 I/O Process Module is able to incorporate a wide variety of I/O signal conditioning and alarm applications. - [Flexible Probe Current Meters - AEMC](https://www.weschler.com/product/flexible-probe-current-meters-aemc/): Digital FlexProbe® Models 400D & 4000D use a flexible Rogowski sensor to measure True RMS AC current in tight places where rigid jaws can't reach. - [Point-to-Point Continuity Tester - AEMC Model CA6011](https://www.weschler.com/product/point-to-point-continuity-tester-aemc-model-ca6011/): Fast & convenient tool for testing ground paths and point-to-point continuity over long distances and in hard-to-reach locations. - [AEMC Digital Transformer Turns Ratiometer DTR Model 8511](https://www.weschler.com/product/aemc-digital-transformer-turns-ratiometer-model-8511/): The DTR Model 8511 offers precise, fully automatic ratio testing for Power, Voltage/Potential, and Current Transformers, using ANSI/IEEE test methods. - [Cable Verification & Tracing Analyzer - AEMC Model 6683](https://www.weschler.com/product/cable-verification-tracing-analyzer-aemc-model-6683/): Detects faults in wiring, telecom cables, live & de-energized conductors. Includes digital, visual & audible indicators plus non-contact voltage detection. - [Fluke Intrinsically Safe Multimeters](https://www.weschler.com/product/fluke-intrinsically-safe-multimeters/): 28II-EX and 87V-EX rugged, intrinsically safe digital multimeters that allow measurements both inside and outside of hazardous zones without compromising measurement performance. - [BN-Series 1/16 DIN (96 x 24 mm) Short-Depth Meters - Texmate](https://www.weschler.com/product/bn-series-1-16-din-96-x-24-mm-short-depth-meters-texmate/): LED panel meters measure DCV to 1200V or process 4-20mA loops. DC powered from 5V or 24V. LED display is externally dimmable on some models. - [Transformer Advantage3 CT](https://www.weschler.com/product/transformer-advantage-3-ct/): The Transformer Advantage is a precision oil & winding temperature monitor for liquid immersed power and distribution transformers. - [Transformer Advantage3 CTX](https://www.weschler.com/product/transformer-advantage-3-ctx/): Oil, Winding & Ambient Temperature Monitor for Oil-Filled TransformersTwo RTD inputs and 1 or 3 winding current inputs. - [Transformer Advantage3 CT/LTC](https://www.weschler.com/product/transformer-advantage-3-ct-ltc/): The Transformer Advantage 3 is a precision temperature monitor for liquid immersed power and distribution transformers. It is rugged, fully electronic and field configurable. - [Transformer Advantage3 DC](https://www.weschler.com/product/transformer-advantage-3-dc/): The Advantage 3 DC provides two channels of temperature monitoring in a single unit. Any mix of thermowell probes and magnetic probes can be used. - [Transformer Advantage3 TC](https://www.weschler.com/product/transformer-advantage-3-tc/): The Advantage 3 TC provides three identical channels to measure any combination of top oil, bottom oil, winding and ambient temperature. - [London Electronics Serial to Ethernet Converter](https://www.weschler.com/product/london-electronics-serial-to-ethernet-converter/): The London Electronics LEM serial to Ethernet converter allows you to connect to RS485 equipment via a TCP/IP Ethernet network. - [AC Volt / Frequency Dual Function 2492 Series - Weschler](https://www.weschler.com/product/ac-volt-frequency-dual-function/): 2492 Power Series Plus Digital Switchboard Meters: Model 2492 includes AC Amperes, AC Voltage, and Frequency measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with up to two transducer outputs which can be configured in the field by - [AC Watt / VARS / PF / Phase Angle 2491 Series - Weschler](https://www.weschler.com/product/ac-watt-vars-pf-phase-angle/): 2491 Power Series Plus Digital Switchboard Meters: Model 2491 includes AC Watts and Vars measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog Output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with a transducer output which can be configured in the field by an end-user or - [AC Watt and Var Dual Function 2492 Series - Weschler](https://www.weschler.com/product/ac-watt-and-var-dual-function/): 2492 Power Series Plus Digital Switchboard Meters: Model 2492 includes AC Amperes, AC Voltage, and Frequency measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with up to two transducer outputs which can be configured in the field by - [AC Volts / Amp Dual Function Digital Switchboard Meters 2492 Series - Weschler](https://www.weschler.com/product/ac-volts-amp-dual-function-digital-switchboard-meters/): 2492 Power Series Plus Digital Switchboard Meters: Model 2492 includes AC Amperes, AC Voltage, and Frequency measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with up to two transducer outputs which can be configured in the field by - [AC Watt and Power Factor Dual Function 2492 Series - Weschler](https://www.weschler.com/product/ac-watt-and-power-factor-dual-function/): 2492 Power Series Plus Digital Switchboard Meters: Model 2492 includes Power Factor and Phase Angle measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog Output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with up to two transducer outputs which can be configured in the field by an - [AC Watt / VAR / PF Triple Function Digital Switchboard Meters 2493 Series - Weschler](https://www.weschler.com/product/ac-watt-var-pf-triple-function-digital-switchboard-meters/): 2493 Power Series Plus Digital Switchboard Meters: Model 2493 includes AC Amperes, AC Voltage, and Frequency measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with up to three transducer outputs which can be configured in the field by - [3 In 1 AC Volt or Amp 2493 Series - Weschler](https://www.weschler.com/product/3-in-1-ac-volt-or-amp/): 2493 Power Series Plus Digital Switchboard Meters: Model 2493 includes AC Amperes, AC Voltage, and Frequency measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with up to three transducer outputs which can be configured in the field - [3 In 1 AC Volt / AMP / Hertz 2493 Series - Weschler](https://www.weschler.com/product/3-in-1-ac-volt-amp-hertz/): 2493 Power Series Plus Digital Switchboard Meters: Model 2493 includes AC Amperes, AC Voltage, and Frequency measuring capabilities, as well as flexible options for Input Rating, Frequency, Analog output and Communication options. The POWER SERIES PLUS combines a high accuracy digital switchboard meter with up to three transducer outputs which can be configured in the field by - [Non-Contact AC Voltage Detector - AEMC 275HVD](https://www.weschler.com/product/non-contact-ac-voltage-detector-aemc-275hvd/): The Model 275HVD is designed to detect the presence of high voltage without physical contact. An 8 position rotary switch selects the detection range. - [AEMC Power & Energy Logger - PEL 52](https://www.weschler.com/product/aemc-power-energy-logger-pel-52/): The PEL 52 represents an affordable and user-friendly power and energy data logger, suitable for both single and split-phase applications. - [3-Phase Voltage Transducers - VT3 Series - NK Technologies](https://www.weschler.com/product/3-phase-voltage-transducers-vt3-series-nk-technologies/): The VT3 Series TRMS transducers monitors three-phase voltages up to 600 VAC. 4 analog volt or mA outputs. Includes Phase Loss Detection with SPST relay. - [KEP Proximity Sensors](https://www.weschler.com/product/kep-proximity-sensors/): The Kessler Ellis (KEP) D Series Proximity Sensors come in three sizes, all in an easy-to-mount threaded housing. - [DC Current Transducers - Split Core / Bus Bar - DT-BB Series - NK Technologies](https://www.weschler.com/product/nk-technologies-dc-current-transducers-split-core-bus-bar-dt-bb-series/): DT-BB DC Current Transducers feature an innovative design that allows a split-core transducer to be installed over existing bus bars or wire. - [Megger TC3231 Thermal Camera (-4 to +572°F)](https://www.weschler.com/product/megger-tc3231-thermal-camera-4-to-572f/): The Megger TC3231 offers a professional infrared 32 x 31 pixels image thermometer with a 2.2 inch (55.88 mm) color TFT LCD display. - [DLRO2 Hand-Held Low Resistance Ohmmeter - Megger](https://www.weschler.com/product/dlro2-hand-held-2-a-low-resistance-ohmmeter-megger/): The DLRO2 hand-held 2 A low resistance ohmmeter can measure low resistance values across a wide range of applications, from railways and aircraft to industry components. - [AEMC Hand-Cranked Megohmmeters](https://www.weschler.com/product/aemc-hand-cranked-megohmmeters/): These practical and dependable instruments are designed for a broad range of plant and field service applications, such as acceptance testing and preventive maintenance of wiring, cables, switchgear and motors. - [Swivel Clamp Meter - Amprobe](https://www.weschler.com/product/swivel-clamp-meters-amprobe/): Amprobe’s ACD-23SW 400 amp Swivel Clamp Meter features a patented 180-degree rotating head clamp for easy viewing of reading. - [Vector Shift & ROCOF Protection Relay - Tyco Crompton](https://www.weschler.com/product/crompton-vector-and-rocof-protection-relay/): The Crompton 256-ROCL Relay provides continuous supervision of vector shift & frequency rate-of-change to protect the network, load and generator. - [API DIN Transmitters, Isolators & Alarms](https://www.weschler.com/product/api-din-transmitters-isolators-alarms/): Wide Choice of Inputs - Volts AC/DC, Amps AC/DC, Process V/mA, Strain, Frequency, RTD, Potentiometer, Variable Brightness I/O Status LEDs1200V Isolation - [API Universal Transmitter - Process & Temperature to DC - APD 8000 Series](https://www.weschler.com/product/api-universal-transmitter-process-temperature-to-dc-apd8000-series/): APD8000 Universal Transmitter accepts DC, pot, T/C, RTD & thermistor input. Output is an optically isolated & linearized DC voltage or current. - [API Universal Transmitter - Temperature to DC - APD 4000 Series](https://www.weschler.com/product/api-universal-transmitter-temperature-to-dc-apd4000-series/): The APD 4000 provides an optically isolated & linearized DC voltage or current output. Sensor type, temperature range and output range are field configurable. - [Tyco Crompton Protector Trip Relays](https://www.weschler.com/product/tyco-crompton-protector-trip-relays/): Protector trip relays provide continuous surveillance of the monitored circuit. When the current moves outside the set point limit, the relay operates. - [Clamp-on Testers For Leakage Current - Yokogawa](https://www.weschler.com/product/clamp-on-testers-for-leakage-current-yokogawa/): The CL Series clamp-on testers offers AC current measurement up to 1000A and leakage measurements from 1mA. - [Clamp-On Testers For AC Current - Yokogawa](https://www.weschler.com/product/clamp-on-testers-for-ac-current-yokogawa/): The Yokogawa CL100 Series clamp-on testers are available in three models to meet varying AC current measurement needs. - [West Paperless Recorder](https://www.weschler.com/product/west-partlow-paperless-recorder/): This paperless recorder features an icon-driven touchscreen interface, up to 6 analog inputs, 24 digital inputs, 2 analog outputs, Modbus RTU & Modbus TCP. - [UM-Series - NEMA Case Low-Cost Utility Meters - Texmate](https://www.weschler.com/product/um-series-nema-case-low-cost-utility-meters-texmate/): 3½, 4 or 4½ digit panel meters in a NEMA type 1 case. Versions for DCV, ACV, DCA, ACA, process 4-20mA, temperature and line frequency. - [RP and PM Series Meters - Texmate](https://www.weschler.com/product/rp-and-pm-series-meters-texmate/): Low cost panel meters with either LCD or LED display and 3½ or 4½ digit resolution. - [Slim-Bezel Case LED and LCD Miniature Meters - Texmate](https://www.weschler.com/product/slim-bezel-case-led-and-lcd-miniature-meters-texmate/): miniature panel meters have 3.5 or 4.5 digit displays, accept DCV or 4-20mA input signals and operate from 5VDC or loop power. - [MU-Series 1/32 DIN (48 x 24 mm) Meters - Texmate](https://www.weschler.com/product/mu-series-1-32-din-48-x-24-mm-meters-texmate/): The Texmate MU-35 series is a miniature, streamlined digital panel meter with a 3-1/2 digit, 0.315” LED display in a 1/32 DIN case. The MU-35 has three selectable ranges of 2V, 20V and 200V. The MU-35CL is a 4-20mA loop meter. They are specifically designed to be easily user scaled and calibrated to almost any - [SD-Series 1/8 DIN (96 x 48 mm) Ultra Short-Depth - Texmate](https://www.weschler.com/product/sd-series-1-8-din-96-x-48-mm-ultra-short-depth-texmate/): The SD-50X is an easy to install 4-20 mA loop powered meter with large LCD display. 4-20mA Loop Powered Meter 5-Digit 0.5” LCD 1/8 DIN Ultra Short Depth Case Only 1.2" depth behind panel, including connectors. Catalog Page 018 SD-50X Specs - [Loop Powered LED Bargraph - SB-B31 - Texmate](https://www.weschler.com/product/loop-powered-led-bargraph-texmate/): Texmate SB-B31 is a 1/16 DIN, 4-20mA loop powered Bargraph with a 31 segment LED display. Available in horizontal or vertical orientation. - [AM-30 1/16 DIN Short-Depth Bargraphs - Texmate](https://www.weschler.com/product/am-series-short-depth-bargraphs-texmate/): 5 VDC powered LED Bargraph with dual setpoint outputs and 31 segment red, green or blue display. - [Simpson Digital Power Clamp Meter](https://www.weschler.com/product/simpson-digital-power-clamp-meter/): Simpson 1000A/400A Power Clamps measure AC/DC power & power quality parameters on single & 3-phase systems, plus DMM functions. - [Simpson Hawk 3 Digital Meters / Controllers](https://www.weschler.com/product/simpson-digital-meters-controllers/): Hawk 3 DPMs measure AC Current, AC Voltage, DC Current, DC Voltage, Resistance, Temperature & Process. Sensor excitation & relay outputs optional. - [Sifam Digital ANSI/DIN Power Switchboard Meters](https://www.weschler.com/product/sifam-digital-ansi-din-power-switchboard-meters/): These meters fit directly into Standard Switchboard meter cutouts or 1/4 DIN mounting. Alpha + series offers multifunction capabilities, communications, outputs, harmonics, sags, swells, relay outputs, and programmability depending on meter. Multifunction Standard ANSI Round cutout as Analog meters Fits DIN cutout also Thru hole CT connection Relay, Analog outputs Communication options RS-485, Ethernet Wide - [Platinum Series Digital Switchboard Synchroscope - Sifam Tinsley](https://www.weschler.com/product/platinum-series-digital-switchboard-synchroscope-sifam-tinsley/): The Sifam Tinsley ST SYNC digital synchroscope displays actual difference of voltage, frequency & phase angle between the BUS voltage & generator voltage. - [DIN Rail Power Supplies - Sifam Tinsley](https://www.weschler.com/product/sifam-tinsley-power-supplies/): Flex Series switching power supplies are DIN rail mount modules with output power up to 600W. Output voltage is adjustable from 22 to 27V. - [PAX Panel Meters - Red Lion](https://www.weschler.com/product/pax-deluxe-panel-meters-red-lion/): The PAX® Panel Meters with process input offer many features and capabilities. Five models handle various analog inputs with 3½ to 5 digit resolution. - [CUB5 Counters, Timers & Rate Meters - Red Lion](https://www.weschler.com/product/cub5-counters-timers-rate-meters-red-lion/): Red Lion's CUB®5 provides panel meter flexibility, from its complete user programming to the optional setpoint control and communication capability. - [PAX Counters, Timers & Rate Meters - Red Lion](https://www.weschler.com/product/pax-deluxe-counters-timers-rate-meters-red-lion-2/): The PAX Digital Input Panel Meters offer many features and performance capabilities to suit a wide range of industrial applications. - [PAX Lite Digital Panel Meters - Red Lion](https://www.weschler.com/product/pax-lite-digital-panel-meters-red-lion/): PAX Lite Meters offer flexibility in tough industrial applications. These meters can provide direct display of pressure, speed, flow and other process signals. User scaling and selectable decimal point allow the meter to read out in the desired units. Custom units labeling is available with the PAX Label Kit. A DIP switch controls the backlight - [PIE Process Calibrators](https://www.weschler.com/product/pie-process-calibrators/): PIE process and loop calibrators are compact, easy to learn, and simple to set up with industry-leading accuracy. - [MJ159 1KV Insulation Resistance Tester - Megger](https://www.weschler.com/product/mj159-1kv-insulation-resistance-tester-megger/): The Megger MJ159 is the recognized industry standard, upgraded with modern circuitry. Measure insulation resistance to 2000 Mohm. - [Megger Photovoltaic Meter](https://www.weschler.com/product/megger-photovoltaic-meter/): The Megger PVK330 photovoltaic kit offers this additional instrumentation in the form of a PVM210 irradiance meter, DCM340 600 A ac / dc clamp meter and a kit of specialist solar test leads. - [Megger Cable Height Meters](https://www.weschler.com/product/megger-cable-height-meter/): The CHM Series of Cable Height Meters utilize ultrasonic techniques to determine the height of up to six overhead cables and wires. - [Fluke Insulation Testers 5kV & 10kV](https://www.weschler.com/product/fluke-insulation-testers-5kv-10kv-2/): The perfect tool for preventative or predictive maintenance programs designed to identify potential equipment failures before they occur. - [Fluke Clamp Meters](https://www.weschler.com/product/fluke-clamp-meters/): Models offer an impressive array of innovative features with current ranges up to 2500A. - [Fluke 805FC Vibration Meter](https://www.weschler.com/product/fluke-805fc-vibration-meter/): The Fluke 805FC Vibration Meter is a portable multifunction vibration screening tool that includes 4 ranges and infrared temperature sensing - [Thermal Imagers - Flir E5, E6, E8 Pro Series](https://www.weschler.com/product/flir-extech-thermal-imagers-e5-e6-e8/): FLIR Infrared Cameras are powerful thermal imaging tools for troubleshooting electrical, mechanical, and building problems. - [Hygro - Thermometer Datalogger - SDL500 - Extech](https://www.weschler.com/product/hygro-thermometer-datalogger-extech/): Hygro-Thermometer and Datalogger have a dual display of RH, Temperature, Dew Point and Wet Bulb The EA25 datalogs up to 15,000 records for PC download. - [CAT IV Insulation Tester/MultiMeter - Extech MG320](https://www.weschler.com/product/extech-insulation-tester-multimeter/): Extech MG320 is a CAT IV TRMS DMM with built-in insulation resistance tester. Measures to 20Gohm with 1000V test voltage. - [Dual Laser IR Thermometer - Extech](https://www.weschler.com/product/dual-laser-ir-thermometers-extech/): Extech 42512 is a Dual Laser IR Thermometer with 30" convergence distance and 0.15sec response time. Temperatures range is -50 to 1000° C - [Datalogging Sound Level Meter - SDL600 - Extech](https://www.weschler.com/product/extech-datalogging-sound-level-meter-sdl600/): Extech SDL600 Datalogging Sound Level Meter meets ANSI and IEC 61672-1 Type 2 standards. 30-130dB measurement range and sampling interval of 1-3600 sec. - [DC Power Supplies - Extech](https://www.weschler.com/product/extech-dc-power-supplies/): These Extech Power supplies offer up to 4 DC outputs for benchtop testing or to power sensors, transmitters and instrumentation - [Mini IR Thermometers - Extech](https://www.weschler.com/product/mini-ir-thermometers-extech/): Compact IR thermometers with built-in laser pointer that identifies the target area to measure temperature. Better accuracy when measuring temperature on different surface materials. - [Temperature / Humidity USB Dataloggers - Extech](https://www.weschler.com/product/usb-dataloggers-extech/): The RHT35 USB Datalogger stores 48000 temperature, humidity and barometric pressure readings in PDF or spreadsheet format for easy downloading to a PC . - [Vibration Datalogger - Extech](https://www.weschler.com/product/extech-vibration-dataloggers/): The Extech SDL800 Vibration Meter / Datalogger measures vibration using a remote vibration sensor and records data in Excel format for later analysis. - [Video Borescope Inspection Camera - Extech](https://www.weschler.com/product/extech-video-borescope-inspection-cameras/): The Extech BR90 is a fully loaded inspection camera with palm-sized color display and waterproof (IP67) 8 mm camera probe - [Auto & Manual Ranging Multimeters EX400A Series - Extech](https://www.weschler.com/product/extech-autoranging-multimeters/): Extech EX470A 12 function TRMS Professional MultiMeter with IR temperature provides the versatility of multiple meters in one convenient device. - [Combination Contact / Laser Photo Tachometer - RPM33 - Extech](https://www.weschler.com/product/extech-combination-contact-laser-photo-tachometer/): Convenient pocket-sized combination tachometer quickly measures RPM and Linear Surface Speed. Laser guided for non-contact up to 500mm. - [Chart Recorder - RH520B Extech](https://www.weschler.com/product/chart-recorder-rh520a-extech/): The RH520B chart recorder displays Temperature & Humidity or Dew Point. The remote probe extends up to 1 meter. Memory stores 49000 readings. - [Panel Tachometer - Extech](https://www.weschler.com/product/extech-panel-tachometer/): The 461950 is a 1/8 DIN Panel Tachometer that has continuous & accurate readings from 5 to 99,990rpm. It measures rotational motor speed, moving fans, pumps, gears, propeller devices. Measure rpm from 5 to 99,990rpm with microprocessor quartz crystal accuracy of 0.05% Large LED display updates 1/sec ( >60rpm) Unique design permits rpm measurements of - [AcuRev 2100 Multi-Circuit Submeter - Accuenergy](https://www.weschler.com/product/acurev2100-multipoint-submeter-weschler-instruments/): The AcuRev 2100 is a complete submetering solution for up to 18 single or 6-9 poly-phase circuits - [EV300 Series Power & Energy Meters - Accuenergy](https://www.weschler.com/product/ev300-series-power-energy-meters-accuenergy/): The EV300 Series power and energy panel meters are an affordable, user-friendly solution for monitoring 3-phase power, voltage, current, and bi-directional energy. - [Trumeter Rate Meter](https://www.weschler.com/product/trumeter-rate-meter/): The Trumeter APM Rate Meter is a programmable digital rate meter specifically designed for effective display, monitoring and measurement of speed, rate and flow to an accuracy of 0.01%. - [Laurel Programmable Counters](https://www.weschler.com/product/laurel-programmable-counters/): The design of the Laureate™ Series is modular for maximum flexibility at minimum cost. CE & ETL Approved. - [Intellect-69 Series Totalizer/Rate Meter - KEP](https://www.weschler.com/product/intellect-69-series-totalizer-rate-meter-kep/): Featuring 6 digits of bright, 7-segment LED displays, the Intellect-69 is an integrating totalizer/ratemeter which accepts analog signal inputs. The unit can be field programmed to accept 4-20mA, 0-20mA, 0-5V, 0-10V or 1-5V signals. An optional Square Law input is available for inputs that require square root extraction. A 4-20mA output option is available to - [Pyromation Temperature Transmitters](https://www.weschler.com/product/pyromation-temperature-transmitters/): T31 is a 2, 3, or 4-wire platinum RTD transmitter with 4-20mA analog output. - [BATM Totalizers & Ratemeters - KEP](https://www.weschler.com/product/batm-totalizers-ratemeters-kep/): The KEP BATM dual display ratemeters and totalizers accept inputs from pulse producing flowmeters. - [Acuvim II Power Transducers - Accuenergy](https://www.weschler.com/product/accuvim-ii-power-transducers-accuenergy/): The Acuvim II series multifunction power and energy meters are also available as DIN-rail mount transducers without integral display. - [Accuenergy DIN Power & Energy Meters - AcuRev 1310 Series](https://www.weschler.com/product/accuenergy-din-power-energy-meters/): The Accuenergy AcuRev 1310 DIN Rail meter combines high performance with ease of integration to provide a cost-effective power and energy monitoring solution. Featuring a built-in LCD display designed to simplify setup and local reading of meter data. While the Modbus-RTU and pulse output communication allows seamless integration with data acquisition systems. Utility Revenue Grade - [Lab Type DC Ammeter Shunts - Weschler](https://www.weschler.com/product/lab-type-dc-ammeter-shunts-weschler-2/): Designed primarily for laboratory or bench testing, these shunts are portable and have an insulating base. Each shunt comes with wing screws for easy hook up. - [Type B - 300 Through 1000 Amp DC Shunts - Empro](https://www.weschler.com/product/type-b-300-through-1000-amperes-empro-shunts-2/): Available in ratings from 300 through 1200 amps in either 50mV or 100mV output. Similar to the Type A, only larger and can handle more current. - [Type WT - 600 Through 10000 Amp DC Shunts - Empro](https://www.weschler.com/product/type-wt-600-through-10000-amperes-empro-shunts-2/): Heavy-duty shunt for mounting to a multiple busbar configuration. This type has large copper leaves and blocks for use in the most severe application. - [Type C - 1000 Through 2000 Amp DC Shunts - Empro](https://www.weschler.com/product/type-c-1000-through-2000-amperes-empro-shunts-2/): A bus bar mounted shunt available with 50Mv or 100Mv output at amperage ratings of 1000 amps through 2000 amps. - [Type E - 1500 Through 2000 Amp DC Shunts - Empro](https://www.weschler.com/product/type-e-1500-through-2000-amperes-empro-shunts-2/): Similar to type A and B except it has very large brass terminal blocks for heavy-duty use. Mostly used for higher currents when only one busbar is used. - [Type A - 20 Through 600 Amp DC Shunts - Empro](https://www.weschler.com/product/type-a-20-through-600-amperes-empro-shunts-2/): Available in ratings from 20 through 600 amps with either 50mV or 100mV output. - [LA, LB, LC Lightweight DC Ammeter Shunts - Weschler](https://www.weschler.com/product/la-lb-lc-lightweight-dc-ammeter-shunts-weschler/): This DC Ammeter Shunt is used when size and weight are a major design consideration. They comply with MIL-S61-B and commercial item description AA55524. - [DC Ammeter Switchboard Shunts - Weschler](https://www.weschler.com/product/switchboard-dc-ammeter-shunts-weschler/): These type C DC ammeter shunts have an insulating base and are normally mounted to a panel. - [MLA, MLB, MLC DC Ammeter Shunts - Empro](https://www.weschler.com/product/mla-mlb-mlc-dc-ammeter-shunts-weschler/): This DC Ammeter Shunt is used when size and weight are a major design consideration. They comply with MIL-S61-B and commercial item description AA55524. - [Type HA DC Ammeter Shunts - Empro](https://www.weschler.com/product/ha-type-dc-ammeter-shunts-weschler/): HA Type is small DC shunts with an insulating base. They are normally mounted to a panel or inside an enclosure. - [Electronic LCD Hour Meter/Counter - ENM](https://www.weschler.com/product/electronic-lcd-hour-meter-counter-enm/): ENM's new series (T1100 hour), (C1100 Up Counter) & (D1100 Down Counter) features a 6-digit, 7 segment LCD display. The accumulated hours or counts are stored on powerless non-volatile data backup using CMOS EEPROM technology, where small space and reliable instruments are required with memory that does not rely on a battery. Both meters are - [ATC Multi-Function Timer Counter](https://www.weschler.com/product/atc-multi-function-timer-counter/): The 5708A model is an all-in-one unit that can be used as a timer, counter, frequency meter, and tachometer. This unit contains 23 functions (15 timer, 6 counter, frequency meter, & tachometer), which are selectable through the setup menu. Engineered with a unique battery cover design for easy battery replacement, this unit needs no external - [Hour Meter & Battery Discharge Gauge - ENM](https://www.weschler.com/product/hour-meter-battery-discharge-gauge-enm-2/): PT27 is a complete solid-state battery discharge gauge and hour meter in one. The battery gauge indicates state of charge with a 10 bar multi-color LED display. - [Weschler AC Elapsed Time Meters Type 240](https://www.weschler.com/product/weschler-ac-elapsed-time-meters-type-240/): 2½" or 3½" run Time Counters, available in Hours and minutes (Reset & non-reset, square or circular versions) Formally manufactured by Yokogawa Four Case Styles & Two Enclosure Options Hours or Minutes Reset or Non-Reset Meets ANSI C-39.1 Vibration & Shock Six digit mechanical run time counter that displays hours and tenths of hours or - [Lascar WIFI Temperature Loggers](https://www.weschler.com/product/lascar-wifi-temperature-loggers/): The Lascar EL-WiFi-T series in the EasyLog WiFi range of sensors measures the temperature and humidity (TH models) of the environment in which it is situated. - [Lascar USB Temperature Data Loggers](https://www.weschler.com/product/lascar-usb-temperature-data-loggers/): The range includes temperature data loggers, temperature & humidity data loggers, voltage data loggers, 4-20mA data loggers and a Carbon monoxide data logger. - [Lascar USB Thermocouple Data Loggers](https://www.weschler.com/product/lascar-usb-thermocouple-data-loggers/): Lascar's EasyLog USB control software is supplied free of charge with each data logger. Easy to install and use, the control software runs under Windows 2000, XP, Vista & 7. - [Lascar USB Voltage & Current Data Loggers](https://www.weschler.com/product/lascar-usb-voltage-current-data-loggers/): Recent additions to the range include a thermocouple data logger, and two temperature & humidity real-time data acquisition units. - [Lascar USB Temperature/RH Data Loggers](https://www.weschler.com/product/lascar-usb-temperature-rh-data-loggers/): Range includes temperature data loggers, temperature & humidity data loggers, voltage data loggers, 4-20mA data loggers and a Carbon monoxide data logger. - [Lascar Temperature & Humidity Data Logger with Display - EL-SIE-2](https://www.weschler.com/product/lascar-temperature-humidity-data-logger-with-display-el-sie-2/): The Lascar EL-SIE-2 kit is designed to monitor ambient temperature and humidity in a large range of applications and is suitable for a range of environments. - [Lascar Stand-Alone Data Loggers - EL-GFX Series](https://www.weschler.com/product/lascar-stand-alone-data-loggers/): Lascar EL-GFX-series Temperature and Relative Humidity Data Logger with Graphic LCD Screen: These USB data loggers record over 250,000 temperature readings in one or more sessions for up to 1 year. They have user-programmable audible alarm thresholds with highly visible confidence/alarm LEDs. Inside the rugged IP67 / NEMA 4X case, buttons for start, stop and restart - [600/700 Series Pressure Gauges- Noshok](https://www.weschler.com/product/600-700-series-pressure-gauges-noshok/): The Noshok 600 & 700 Series Pressure Gauges are 4.5" indicators for vacuum to 15000psi, in either dry (field fillable) or liquid filled types. - [200 Series Low Pressure Diaphragm Gauges- Noshok](https://www.weschler.com/product/200-series-low-pressure-diaphragm-gauges-noshok/): The Noshok 200 Series are sensitive diaphragm pressure gauges in 2.5" & 4" sizes. These dry gauges cover vacuum to 10 psi. - [100 Series Dry Pressure Gauges- Noshok](https://www.weschler.com/product/100-series-dry-pressure-gauges-noshok/): The Noshok 100 Series are general purpose, diaphragm pressure gauges in sizes from 1.5" to 4". Pressure ranges cover vacuum to 15000 psi. - [300 Series Pressure Switches - Noshok](https://www.weschler.com/product/300-series-pressure-switch-noshok/): Noshok 300 Series Mechanical Pressure Switches have adjustable trip point and adjustable hysteresis. Vacuum, low pressure and high pressure versions cover switch points to 4600 psig. - [PGE20 Series Digital Pressure Gauge- Noshok](https://www.weschler.com/product/pge20-series-digital-pressure-gauge-noshok/): Series 100 and 200 Noshok pressure transducers and transmitters are designed to provide a previously unequaled level of performance, utilizing diffused semiconductor or sputtered thin film technology. - [800 Series Electronic Pressure Transmitter / Switch - Noshok](https://www.weschler.com/product/800-series-electronic-pressure-transmitter-switch-noshok/): Noshok 800 Series Electronic Indicating Pressure Transmitters combine pressure transducer and switch functions with a local digital readout. Seven output configurations offer both current and voltage outputs and either one or two switches. - [611 Series Small Submersible Level Transmitters- Noshok](https://www.weschler.com/product/611-series-small-submersible-level-transducers-noshok/): The 611 Series Submersible Level Transmitters monitor liquid level and temperature. They are suitable for fixed or battery powered applications. - [Vista Touch Panel Meters - Trumeter](https://www.weschler.com/product/vista-touch-meters-trumeter/): Vista Touch Meters have a graphic display and touchscreen user interface, plus Modbus RTU and TCP/IP communication. - [MIT300 Series Insulation Resistance Testers - Megger](https://www.weschler.com/product/mit300-series-insulation-resistance-testers-megger/): The new MIT300 Series features a large display and hands-free operation. The tough, rubber-armored case is designed for rough handling and weatherproof to IP54. - [GE Type 140 DC Shunts 10 To 2500 Amp - Weschler](https://www.weschler.com/product/ge-type-140-dc-shunts-10-to-2500-amps-weschler/): Type 140 DC shunts are an industry-standard design originally manufactured by General Electric. Models from 10 to 2500 DC amps are available. - [CSI Type V - 20 to 600 Amp DC Shunts - Canadian Shunt](https://www.weschler.com/product/type-v-20-to-600-amp-dc-shunts/): Type V DC shunts are available in ratings from 20 to 600 amps with either 50mV or 100mV output. - [CSI Type R - 1000 to 2000 Amp DC Shunts - Canadian Shunt](https://www.weschler.com/product/type-c-1000-through-2000-amp-dc-shunts-canadian-shunt/): Bus bar-mounted DC shunts are available with 50mV or 100mV output at currents of 1000 to 2000 amps. - [CSI Type K - 600 To 10000 Amp DC Shunts - Canadian Shunt](https://www.weschler.com/product/type-k-600-to-10000-amp-dc-bus-bar-shunts/): These Canadian Shunt heavy-duty shunts are designed for bus bar mounting. They have two to five 0.25" blades, depending on current rating. - [CSI Type E - 300 to 1200 Amp DC Shunts - Canadian Shunt](https://www.weschler.com/product/type-e-300-to-1200-amp-dc-shunts-canadian-shunts/): Available in ratings from 300 through 1200 amps in either 50mV or 100mV output. Similar to the Type V, only larger and can handle more current. - [CSI Type A - 1500 to 6000 Amp DC Shunts - Canadian Shunt](https://www.weschler.com/product/type-a-1500-through-6000-amp-dc-shunts-wescher/): These bus bar shunts have very large brass terminal blocks for heavy-duty use. They are available with 50mV or 100mV output in the 1500 to 6000 amp range. - [Fluke 787B & 789 Process Meters](https://www.weschler.com/product/fluke-787-process-meter/): The Fluke 787B and 789 ProcessMeter™ double troubleshooting capabilities by combining the power of a safety-rated digital multimeter and mA loop calibrator into a single, compact test tool. - [Fluke Laser Distance Meters](https://www.weschler.com/product/fluke-laser-distance-meters/): he Fluke 414D, 419D and 424D are professional-grade laser distance meters - they're fast, easy to use, and they fit on your tool belt. - [BT2 Batch Controller - KEP](https://www.weschler.com/product/bt2-batch-controller-kep/): The INT69 is an integrating totalizer, process monitor & ratemeter which accepts analog signal inputs. The unit can be field programmed to accept 4-20mA, 0-20mA, 0-5V, 0-10V or 1- 5V signals. - [KEP Optical Shaft Encoders](https://www.weschler.com/product/kep-optical-shaft-encoders/): The PD Series photoelectric sensors offer superior optical performance in a miniature 18 mm package. - [Noshok 822/823 Battery-Powered Digital Temperature Indicators](https://www.weschler.com/product/noshok-822-823-battery-powered-digital-temperature-indicators/): The Noshok 822/823 Digital Temperature Indicators are a suitable replacement for bi-metal, liquid bulb and glass thermometers. - [Noshok 810 Series Compact Temperature Transmitter](https://www.weschler.com/product/noshok-810-series-compact-temperature-transmitter/): The NOSHOK 810 Series Compact Temperature Transmitter utilizes a stable platinum sensor for continuous temperature monitoring of industrial and commercial equipment. - [Micro-size Pressure Transmitters & Transducers - Noshok 660](https://www.weschler.com/product/micro-size-pressure-transmitters-transducers-noshok/): The 660 Series Industrial Pressure Transmitters and Transducers are highly accurate, shock resistant and extremely stable over a long period of time. - [612 Series Submersible Level Transducers- Noshok](https://www.weschler.com/product/612-series-submersible-level-transducers-noshok/): The 612 Series Submersible Level Transmitters and Transducers are highly accurate, shock resistant and extremely stable over a long period of time. - [Series 100/200 Pressure Transducers and Transmitters - Noshok](https://www.weschler.com/product/series-100-200-pressure-transducers-and-transmitters-noshok/): Series 100 and 200 Noshok pressure transducers and transmitters are designed to provide a previously unequaled level of performance, utilizing diffused semiconductor or sputtered thin film technology. - [Pyromation T71/T72 Temperature Transmitters](https://www.weschler.com/product/pyromation-t71-t72-temperature-transmitters/): The 441 programmable temperature transmitter is a 2-wire transmitter with an analog output. - [Transformer Advantage DC](https://www.weschler.com/product/transformer-advantage-dc/): The Transformer Advantage is a precision temperature monitor for liquid immersed power and distribution transformers. - [Laurel DIN Rail Transmitters](https://www.weschler.com/product/laurel-din-rail-transmitters/): The Laurel transmitters provide serial data conversion and analog retransmit for all popular industrial signals. - [AC Synchroscope Meters (Switchboard) - Crompton](https://www.weschler.com/product/ac-synchroscopes-meters-switchboard-crompton/): The Crompton Instruments AC synchroscope measures and displays the frequency difference of two power sources. Monitoring the display allows the user to connect two synchronized AC power systems together. - [Flexible Clamp Meter - Megger FCC3450](https://www.weschler.com/product/flexible-clamp-meter-megger-fcc3450/): DCM1500S Solar Clamp Meter is ideal for use in the installation, maintenance, monitoring and testing of photovoltaic systems as well standard AC or DC electrical equipment. - [MCT105 Cable Locator - Megger](https://www.weschler.com/product/mct105-cable-locator-megger/): The Megger cable locator is designed to help detect and trace cables or metallic conductors in walls or buried underground. - [AVO850 TRMS DMM - Megger](https://www.weschler.com/product/avo850-trms-dmm-megger/): The Megger MET1000 is a multifunctional voltage and current tester providing electricians and electrical engineers with a versatile and robust hand-held all-in-one meter, with detachable test leads. - [DLRO100 Series Digital Low Resistance Ohmmeters - Megger](https://www.weschler.com/product/dlro100-series-digital-low-resistance-ohmmeters-megger/): The Megger Ducter™ DLRO100 enables low resistance measurement, across multiple applications, in areas without access to mains power. - [Multifunctional Motor Rotation Machine Tester - MTR105 - Megger](https://www.weschler.com/product/motor-rotation-machine-tester-mrt105-megger/): The MTR105 is a dedicated Static Motor Tester with Megger’s tried and trusted suite of insulation resistance tests (IR), plus all the great traditional features and reliability of Megger’s testers. - [DC Ground Fault Relay - DG Series - NK Technologies](https://www.weschler.com/product/dc-ground-fault-relay-dg-series-nk-technologies/): DG Series Ground Fault Relay keeps machinery and their operators safe from accidental shocks. Shop Weschler for the best selection. - [AGT Series Ground Fault Indicators - NK Technologies](https://www.weschler.com/product/agt-series-ground-fault-indicators-nk-technologies/): AGT Series Ground Fault Indicators combine a current transformer and a True RMS signal conditioner into a single package. - [Leopard Intelligent Panel Meters - Texmate](https://www.weschler.com/product/leopard-intelligent-panel-meters-texmate/): Choose from 30 input modules to measure DC voltage & current, AC voltage & current, frequency, RPM, resistance, pressure/load, process signals. - [Megger TTRU1 Hand-Held TTR](https://www.weschler.com/product/megger-ttru1-hand-held-ttr/): Used to measure the turns ratio, excitation current and polarity of windings in single- and three-phase distribution and power transformers, potential and current transformers, and tapped transformers. - [Weschler Zahn Viscosimeter](https://www.weschler.com/product/weschler-zahn-viscosity-cup/): Five sizes are available for the Zahn Viscosity Cup. For use on very thin oils to extremely heavy mixtures. Shop our extensive catalog today! - [Transformer Advantage TC](https://www.weschler.com/product/transformer-advantage-tc/): Triple Channel Monitor for Oil-Filled Transformers The Transformer Advantage is a precision temperature monitor for liquid immersed power and distribution transformers. It is rugged, fully electronic and field configurable. With Transformer Advantage, users can extend transformer life, utilize maximum capacity and reduce maintenance costs. Seven models in the Advantage line offer a range of functions - [Transformer Advantage SC](https://www.weschler.com/product/transformer-advantage-sc/): The Transformer Advantage is a precision Single Channel Monitor monitor for liquid immersed power and distribution transformers. - [Transformer Advantage CT](https://www.weschler.com/product/transformer-advantage-ct/): The Transformer Advantage is a precision oil & winding temperature monitor for liquid immersed power and distribution transformers. - [Transformer Advantage LTC](https://www.weschler.com/product/transformer-advantage-ltc/): Seven models in the Advantage line offer a range of functions and configurations. All use an accurate and stable platinum temperature sensor (RTD) to precisely measure critical liquid temperatures. - [Transformer Advantage CTX](https://www.weschler.com/product/transformer-advantage-ctx/): The Transformer Advantage is a precision ambient temperature monitor for liquid immersed power and distribution transformers. - [Transformer Advantage CT/LTC](https://www.weschler.com/product/transformer-advantage-ct-ltc/): The Transformer Advantage is a precision LTC temperature monitor for liquid immersed power and distribution transformers. - [Simpson Digital Mutimeter Series 5005/5006 & 5005BT/5006BT with Bluetooth](https://www.weschler.com/product/simpson-digital-mutimeter-series-5002-5006-5002bt-5006bt-with-blue-tooth/): Simpson Electric’s NEW Series 5002/5003/5005/5006 Digital Portable Multimeters are designed for professionals and offer safe, reliable use. - [Simple Logger ® II Model AL834 (4-Channel, TRMS, Bluetooth, AmpFlex 300/3000Aac)](https://www.weschler.com/product/simple-logger-ii-model-al834-4-channel-trms-bluetooth-ampflex-300-3000aac-aemc/): The Simple Logger II Model AL834 is a 4-channel AC current data logger with four integral flexible current sensors. Each sensor is 24 inches long and capable of wrapping around an 8-inch conductor. - [Smart AC Current Switches - ASM Series - NK Technologies](https://www.weschler.com/product/nk-technologies-smart-ac-current-switches-asm-series-2/): NK Technologies ASM Series Load Monitoring Switches are designed for overload, underload or operating window applications. - [High Voltage AC/DC Transducer - VTU Series - NK Technologies](https://www.weschler.com/product/nk-technologies-high-voltage-ac-dc-transducer-vtu-series/): The VTU series of voltage transducers provide very high accuracy and safety in a panel or DIN rail mounted housing. - [Easy Setup AC Current Switches - ASL Series - NK Technologies](https://www.weschler.com/product/nk-technologies-easy-setup-ac-current-switches-asl-series/): The ASL Series Current Sensing Switches provide a current operated solid-state contact powered from the monitored circuit. - [Easy Setup AC Current Switches - ASD Series - NK Technologies](https://www.weschler.com/product/nk-technologies-easy-setup-ac-current-switches-asd-series/): ASD Series sensors provide a limit alarm contact with the easiest adjustment method ever designed. - [DT Series, 3-Wire DC Current Transducers - NK Technologies](https://www.weschler.com/product/dt-series-3-wire-dc-current-transducers-nk-technologies/): The DT Series 3 Wire DC Current Transducers (DTB, DTC) provides a low-cost way to measure DC current in a small and easy-to-install housing. - [DC Current Switches - DS3 Series - NK Technologies](https://www.weschler.com/product/nk-technologies-dc-current-switches-ds3-series/): DS3 Series Current Sensing Switches combine a Hall effect sensor, signal conditioner and a limit alarm into a single package. - [DC Current Switches - DS1 Series - NK Technologies](https://www.weschler.com/product/nk-technologies-dc-current-switches-ds1-series/): The DS1 Series Current Sensing Switches are designed to trip a solid-state contact when there is DC current through the sensor window. - [Compact AC Current Switches - AS1 Series - NK Technologies](https://www.weschler.com/product/nk-technologies-compact-ac-current-switches-as1-series/): The AS1 Series Compact Case Current Sensing Switches are a compact, inexpensive, easy-to-use ring which slips onto a conductor to give a solid-state contact for indication of current flow. - [ATPR E-OUT Series - AC Current Transducers - NK Technologies](https://www.weschler.com/product/atpr-e-out-series-ac-current-transducers-nk-technologies/): ATPR Series AC Current Transducers produce a 0–5 or 0–10 VDC RMS output on distorted waveforms found in the output of variable frequency drives, phase angle fired heating controls and on linear loads. - [AT, ATR & ATP AC Current Transducers - NK Technologies](https://www.weschler.com/product/at-atp-ac-current-transducers-nk-technologies/): NK Technologies AT, ATR and ATP Current Transducers combine a current transformer and signal conditioner in a single package. - [AT / ATR-LS Series AC Current Transducers - NK Technologies](https://www.weschler.com/product/at-atr-ls-series-ac-current-transducers-nk-technologies/): AT/ATR-LS Series Current Transducers combine a current transformer and signal conditioner into a single package. - [AmpFlasher AC Current Indicators - ACI Series - NK Technologies](https://www.weschler.com/product/nk-technologies-ampflasher-ac-current-indicators-aci-series/): The AMPFlasher™ ACI Series Current Indicator is a compact, inexpensive, easy-to-use LED ring that slips onto a conductor to give a flashing indication of current flow. - [AC Voltage Transducers - VTR Series - NK Technologies](https://www.weschler.com/product/nk-technologies-ac-voltage-transducers-vtr-series/): The VTR Series AC Voltage Transducers are high-performance True RMS transducers for sensing voltage in single- and three-phase installations. - [AC Current Transducer / Switch ATS Series - NK Technologies](https://www.weschler.com/product/nk-technologiesac-current-transducer-switch-ats-series/): The ATS Series Current Sensors combine a current operated switch and transducer into a single package for use in AC current applications up to 1200 A. - [Series 615/625 Pressure Transducers and Transmitters - Noshok](https://www.weschler.com/product/series-615-625-pressure-transducers-and-transmitters-noshok/): Noshok Series 615 and 625 pressure transmitters and transducers are designed to provide a previously unequalled level of performance, utilizing diffused semiconductor or sputtered thin film technology. - [PT Series Pressure Transmitters & Transducers - Noshok](https://www.weschler.com/product/pt-series-pressure-transducers-transmitters-noshok/): Series 100 and 200 pressure transmitters and transducers are designed to provide a previously unequalled level of performance, utilizing diffused semiconductor or sputtered thin film technology. - [Tiger Family Intelligent Panel Meters - Texmate](https://www.weschler.com/product/tiger-family-intelligent-panel-meters-texmate/): The Texmate Tiger series is a powerful, intelligent, 5-digit Programmable Meter & Controller with modular outputs, input signal conditioning, serial communication and advanced software features for monitoring, measurement, control and communication applications. Over 75 input signal conditioner choices, single as well as dual channel Two high-resolution, independently programmable 16-bit analog outputs Six adjustable high or - [BG Series Circular Bargraphs - Weschler](https://www.weschler.com/product/bg-series-circular-bargraphs/): The Weschler BG Series Circular Bargraphs include the BG241, BG251, BG261 and BG281. The panel footprint, shape and mounting meets direct retrofit applications for 4½" and 8¾" switchboard meters, as well as 6" and 8" pressure gauge meters. The electronics housing is identical for both sizes. Bars are available in red, green or amber for - [BG Series Edgewise Single BarGraphs - Weschler](https://www.weschler.com/product/bg-series-edgewise-single-bargraphs-2/): The Weschler BG Series Edgewise BarGraphs include several 6" size and DIN-size instruments for horizontal and vertical orientations. - [Combination Laser Tach & IR Thermometer - RPM10 - Extech](https://www.weschler.com/product/combination-laser-tach-ir-thermometer-extech/): The RPM10 is a combination tachometer that provides both contact and non-contact RPM measurements, making this device useful in virtually all applications. - [Watt/VAR/PF/Freq/ Synchroscope Switchboard Meters - Weschler](https://www.weschler.com/product/watt-var-pf-freq-synchro-weschler-2/): These instruments are recommended for use on electric utility switchboards and industrial process control panels. - [Synchroscopes - Sifam Tinsley](https://www.weschler.com/product/synchroscopes-sifam-tinsley/): The Sifam Tinsley SQ94 Synchroscope provides an illuminated indication of frequency difference and phase difference between two AC systems. When two alternators are paralleled, it is necessary that the frequency must be equal and the phase must also match. . The SQ94 indicates the phase & frequency difference between the BUS Voltage (reference voltage) & - [600A, 1000A Clamp Meter - Extech](https://www.weschler.com/product/800a-clamp-meter-extech/): Extech Instruments offer a variety of 600 & 1000A clamp meters customized to suit the needs of your measuring requirements. - [Tri-Color Bargraph Gate Position Indicator - Weschler](https://www.weschler.com/product/tri-color-bargraph-gate-position-indicator-2/): The Weschler TriColor BarGraph Gate Position Indicator (GPI) provides a rapid visual display of gate position and gate limit. - [Weschler 240 Elapsed Time Meters - Configurator](https://www.weschler.com/product/weschler-240-elapsed-time-meters-configurator/): Six digit mechanical run time counter that displays hours and tenths of hours or minutes and tenths of minutes. Non-reset models are weather resistant. - [Laurel LTS Serial to Analog Transmitter](https://www.weschler.com/product/laurel-serial-to-analog-transmitter/): The Laurel LTS serial-to-analog frequency transmitter is able to retrieve digital data from long character strings. The 16 bit analog output is isolated from the power and digital sections. - [Laurel Quad Loop Splitter](https://www.weschler.com/product/laurel-quad-loop-splitter/): The QLS Quad Output Loop Splitter sources up to four independently adjustable 4-20 mA current outputs from a single 4-20 mA, 1-5V, 0-5V or 0-10V input. - [NLS Series 8000 Signal Conditioners](https://www.weschler.com/product/nls-series-8000-signal-conditioners/): The Series 8000 signal conditioners are designed with a modular architecture to allow full input, output, and special function selectability and interchangeability. - [API Plug-In Transmitters & Isolators](https://www.weschler.com/product/api-plug-in-transmitters-isolators/): Wide Choice of Inputs: Volts AC/DC, Amps AC/DC, Process V/mA, Strain, Thermocouple, RTD, Potentiometer. - [Laurel High Performance DPMs](https://www.weschler.com/product/laurel-high-performance-dpms/): The design of the Laureate™ Series is modular for maximum flexibility at minimum cost. The base configuration for a panel meter or counter consists of a main module (with computer and plug-in display boards), a power supply board, and a signal conditioner board. Optional plug-in boards include an isolated setpoint controller board, an isolated analog - [Laurel Universal Input Digital Meter - L40 series](https://www.weschler.com/product/laurel-universal-input-digital-meter-l40-series/): The Laurel L40 Universal Input Digital Meter has 65 user-selectable analog input signal types and ranges. These include DC voltage and current, AC RMS voltage and current, process signals (4-20 mA, 0-10V), thermocouple (10 types, °C or °F), RTD (6 types, °C or °F), thermistors (NTC or PTC), resistance (0-5k or 0-50k ohms), and potentiometer - [AC Watt & VAR Switchboard Meters - Yokogawa AB40 Replacements](https://www.weschler.com/product/ac-watt-var-switchboard-meters-yokogawa-ab40-replacements/): The Yokogawa AB-40 Analog Switchboard Instruments complies with the American ANSI-C39.1 accuracy class 1 specification. - [MIT400/2 Series Insulation Resistance Testers - Megger](https://www.weschler.com/product/mit400-2-series-insulation-resistance-testers-megger/): The MIT400/2 Series Insulation Testers offer outstanding performance and ease of use. Dual digital displays show test results and test voltage or current simultaneously. - [MIT2500 2.5kV Insulation Resistance Tester - Megger](https://www.weschler.com/product/mit2500-2-5kv-insulation-resistance-tester-megger/): he Megger MIT2500 Insulation and Continuity Tester is designed for electrical and industrial test applications where operation voltages exceed 1000 V and higher insulation test voltages are needed. - [MOM2 Handheld Micro Ohmmeter - Megger](https://www.weschler.com/product/mom2-handheld-micro-ohmmeter-megger/): The MOM2 is designed to measure the resistance of circuit breaker contacts, bus-bar joints and other high-current links. This product is designed with safety, ease of use and versatility in mind. - [Megger Power Clamp Meter - DPM1000](https://www.weschler.com/product/megger-power-clamp-meter/): Ideally suited to measure DC, AC, pulsed and mixed currents up to 1000 A, the power clamp meter comes complete with test leads and thermocouple probe. - [Solar Clampmeter - Megger DCM1500S](https://www.weschler.com/product/solar-clampmeter-megger-dcm1500s/): DCM1500S Solar Clamp Meter is ideal for use in the installation, maintenance, monitoring and testing of photovoltaic systems as well standard AC or DC electrical equipment. - [Advanced Dual Channel TDR - Megger CFL535G](https://www.weschler.com/product/hand-held-tdr-cable-length-meter-megger-tdr900/): The Megger TDR900 is an instrument capable of measuring cable lengths and finding the distance to an open or a short using time-domain reflectometry. - [Ground Fault Relays - AGLD Series - NK Technologies](https://www.weschler.com/product/nk-technologies-ground-fault-relays-agld-series/): The NK Technologies AGLD Series Ground Fault Sensors keep machinery and the operators safe from accidental shocks. - [Simpson Digital Multimeter 4005/4006 Series](https://www.weschler.com/product/simpson-digital-multimeter-4005-4006-series/): Simpson Electric’s NEW Series 4005/4006 Digital Portable Multimeters feature a rugged, dual display, 6600 count, with a wide selection of measurements. - [Simpson Analog VOM](https://www.weschler.com/product/simpson-analog-vom/): Industry Standard Model 260 Nothing beats a Simpson 260 for monitoring fluctuating trends and rates. Portable yet with benchtop accuracy, the 260-8 is ideal for use anywhere -- workshop, lab or in the field. The 260-8P features an additional resettable overload protection circuit and audible continuity checking. The 260-8P-LED provides overload protection and lighted dial. - [Weschler Process Loop Splitter](https://www.weschler.com/product/weschler-process-loop-splitter/): The TIM-018 loop splitter allows one 4 to 20 mA signal to be split into three separate loops. An internal 20V supply provides sensor excitation. - [Model 90 Prime Instruments 5% Accuracy Panel Meters](https://www.weschler.com/product/model-90-prime-instruments-5-accuracy-panel-meters/): Glass or acrylic lens Bezel: black or anodized aluminum, chrome, stainless steel 2.32: dia. x 2.10" deepClamp mounting in 2.032" hole. Made in USA - [HST-78, HST-98 Hoyt Analog Panel Meters](https://www.weschler.com/product/hst-78-hst-98-hoyt-analog-panel-meters/): Ammeters, Voltmeters & Frequency Meters2½" and 3½" SizesPanel or Window MountingMeets ANSI C39.1 - [HST-75, HST-94, HST-125 Hoyt Analog Panel Meters](https://www.weschler.com/product/hst-75-hst-94-hst125-hoyt-analog-panel-meters/): Ammeters, Voltmeters & Frequency Meters. 2½", 3½" and 4½" Sizes. Meets ANSI C39.1. Available in Pivot & Jewel and Taut Band Movements. Equivalent to Yokogawa Stylist Series. - [900 Series Digital Panel Meters - Martel / Lascar](https://www.weschler.com/product/900-series-digital-panel-meters-martel-lascar/): Lascar 900 series of LCD D instruments features a 3½ digit LCD with 19.05mm (0.75″) color digits. Optional NEMA 4X / IP67 rated alloy bezels fit all metes. A low drift bandgap reference circuit ensures accurate readings over a wide temperature. LED backlighting ensures excellent readability under low light conditions. This module’s low cost means - [700 Series Digital Panel Meters - Martel / Lascar](https://www.weschler.com/product/700-series-digital-panel-meters-martel-lascar/): Lascar 700 series of LCD and LED instruments features a 3½ digit LCD with 12.7mm (0.5") color digits. Optional NEMA 4X / IP67 rated alloy bezels fit all metes. - [Short Depth DC Voltmeters - NLS](https://www.weschler.com/product/short-depth-dc-voltmeters-nls/): The NLS X Series are low-cost, short-depth digital panel meters extending only one-half inch behind the bezel, making them ideal for OEM equipment. - [Lascar Dual Color Indicators](https://www.weschler.com/product/lascar-dual-color-indicators/): Lascar DPM942S-FPSI (4-20ma) and DPM950S-FPSI (200mv) are 3½ digit LCD with 19mm (0.75") digit height meters and programmable red/green LED backlighting. - [EMV 1200-40 - 2-Wire Voltage Quick Mount LCD Panel Meter - Martel / Lascar](https://www.weschler.com/product/emv-1200-40-2-wire-voltage-quick-mount-lcd-panel-meter-lascar/): The EMV1200-40 two-wire panel meter features a 3 digit LCD with 12.5mm (0.5") digit height in a low profile housing and a measurement range up to 40V. - [EMV 1125 Voltage/Current Quick Mount LCD Panel Meter - Martel / Lascar](https://www.weschler.com/product/emv-1125-voltage-current-quick-mount-lcd-panel-meter-lascar/): The EMV1125 panel meter features a 3½ digit LCD with 12.5mm (0.5") digit height and a 200mV d.c. full-scale reading. - [EMC 1500 Elapsed Time Quick Mount LCD Panel Meter - Martel / Lascar](https://www.weschler.com/product/emc-1500-elapsed-time-quick-mount-lcd-panel-meter-lascar/): The EMC1500 panel meter features a 5 digit LCD for recording elapsed time for an application. - [EM32 Series Digital Panel Meters - Martel / Lascar](https://www.weschler.com/product/em32-series-digital-panel-meters-martel-lascar/): The waterproof EM32 series is designed to be panel mounted with a 32.5mm (1.28") diameter cut-out. - [EMA 1710 Wiper Type Quick Mount LCD Panel Meter - Martel / Lascar](https://www.weschler.com/product/ema-1710-wiper-type-quick-mount-lcd-panel-meter-lascar/): The EMA1710 panel meter features an analog-style LCD for the measurement of voltage. Fitted with a threaded stud that allows mounting. - [1/8 DIN Panel Meters - NLS](https://www.weschler.com/product/1-8-din-panel-meters-nls/): The NLS RM Series panel meters are customized to fit your needs, with over 2,000 variations available. - [Miniature Panel Meters - NLS](https://www.weschler.com/product/miniature-panel-meters-nls/): The PM Series Full-functioned miniature digital voltmeters are AC or DC reading, and feature AC or DC power options, and LED or LCD displays. - [Easy Reader Large Display Meters - London Electronics](https://www.weschler.com/product/easy-reader-large-display-meters-london-electronics/): London Electronics Easy Reader Large Display Meters are a simple and affordable way to see and share important measurements over large distances. - [West ET2001 Digital Thermostat (J-Type T/C)](https://www.weschler.com/product/west-et2001-digital-thermostat-j-type-t-c/): Compact 77mm x 35mm, cost-effective, digital thermostat device for general heating or cooling applications. - [Lascar Sub-Miniature Snap-In LCD Meters](https://www.weschler.com/product/lascar-sub-miniature-snp-in-lcd-meters/): Lascar ultra-miniature compact 3-1/2 digit LCD meters. DPM 1AS-BL, with 5.5mm (0.22”) digit height, 200mV input. Model DPM 3AS-BL with 11mm (0.43”) digit height, 200mV input and Model DPM 342, 11mm (0.43”) digit height, 4-20mA loop power input. - [London Electronics DC Loop Powered Meters](https://www.weschler.com/product/london-electronics-dc-loop-powered-meters/): The London Electronics 88-PRO is a low-cost, 3½-digit, scalable, process input indicator. It has an easy-to-read LCD display and detachable screw terminals. - [Lascar Splash-Proof Low Light Displays - SP400 Series](https://www.weschler.com/product/lascar-splashproof-low-light-displays/): These ultra low profile panel meters feature a 3½ digit LCD with 9.75mm (0.38") digit height With 200mV d.c. full scale reading, auto-zero and auto-polarity. - [EMT 1900 Temperature Quick Mount LCD Panel Meter - Martel / Lascar](https://www.weschler.com/product/emt-1900-temperature-quick-mount-lcd-panel-meter-lascar/): EMT1900 is an easy to mount LCD digital panel meter. The module can measure ambient temperature via a built-in sensor and outside temperature via an external sensor (not supplied). - [Large Analog Input Displays - ATS](https://www.weschler.com/product/analog-input-displays-ats/): Large Bright Red LED Displays with digit sizes of 1” to 4” high. Visible to 100 feet. Monitor temperature, pressure, flow and other process variables with up to 6 digit resolution. - [Production Monitors - ATS](https://www.weschler.com/product/production-monitors-ats/): Monitor Production "GOAL" and "ACTUAL" Performance.Four-Inch High LED Digits - Red for Goal, Green for Actual. - [Synchronized Clock Systems - ATS](https://www.weschler.com/product/synchronized-clock-systems-ats/): Four-inch bright red LED digits are visible up to 100 feet away. Single-sided or double-sided display. Wall, ceiling or panel mount. - [Precision Timers - ATS](https://www.weschler.com/product/precision-timers-ats/): Measure and Display Accurate Elapsed Time in Minutes, Seconds, Tenths of Seconds, andHundredths of Seconds. - [Bright Run Time Accumulators - ATS](https://www.weschler.com/product/bright-run-time-accumulators-ats/): Large bright red LED displays with a digit height of 2.3” or 4”. Accumulate machine cycle time, run time, downtime or elapsed time. - [West ET2011 Digital Thermostat (T/C or PT100)](https://www.weschler.com/product/west-et2011-digital-thermostat-t-c-or-pt100/): Compact 77mm x 35mm digital thermostat for general industrial applications. Thermocouple or PT100 sensor input and two outputs, relay and SSR. - [S660-S663 Counters, Totalizer, Rate/Batch Meters - Simpson](https://www.weschler.com/product/s660-s663-1-8-din-counter-totalizer-rate-totalizer-batch-simpson/): These four Simpson Counters (S660, S661, S662, S663) can take a variety of input types. - [S664 - 1/8 DIN Frequency Counter - Simpson](https://www.weschler.com/product/s664-1-8-din-frequency-counter-simpson/): The Simpson S664 Frequency Counter has been designed to handle a broad range of your roughest industrial applications with the NEMA 4X rated front cover. - [KAL-D06 8 Digit Electronic Counter - Trumeter / KEP](https://www.weschler.com/product/kal-d06-8-digit-electronic-counter-trumeter-kep/): The KAL-D06 counters are small (1.59” x 0.95”), lithium battery-powered, totalizing counters that are panel mounted. The counters are designed as replacements for standard electro-mechanical counters. They use the latest custom CMOS technology and incorporate an 8 digit, 0.354” (9mm) high, LCD display. It operates from a long-life lithium battery (life 10 years) and can - [Direct Replacement for Electro-Mechanical Timers - ATC](https://www.weschler.com/product/direct-replacement-for-electromechanical-timers-atc/): The 655 Series timer from Automatic Timing and Controls is an electronic control that will retrofit most round case electro-mechanical timers. the control performs the same timing modes (ON-Delay or Reverse Start Delay) as electromechanical units, and it is capable of timing ranges from 1 millisecond to 199 hours, 59 minutes. On the bottom inside - [Electro-Mechanical Hour Meters - ENM](https://www.weschler.com/product/electromechanical-hour-meters-enm/): ENM’s Series T51 (AC) and T41 (DC) Hour Meters are low-cost reliable hour meters incorporating the latest state-of-the-art in electronics. Its quartz-crystal time base insures accurate long-term timekeeping. A reliable electromechanical wheel-type indicator is used to store accumulated hours. This compact tamper-proof meter is sealed against the environment to provide years of service. The T51 - [CUB7 Counters & Timers - Red Lion](https://www.weschler.com/product/cub7-counters-timers-red-lion/): Red Lion's CUB7 is a dedicated function eight-digit miniature panel meter that is battery-powered, easy to use, and built with features not expected from a unit with such a small form factor. - [Digital Display Timer 1/16DIN - ATC](https://www.weschler.com/product/digital-display-timer-1-16din-atc/): The ATC 425A is a LED digital display timer/TDR. Three rotary switches allow precise time setting from .01 Sec to 999 Hrs. • Timing from .01 sec. to 999 hrs • Timing Up to or Down from the set point • Timing LED indicates output relay status • Switch selectable timing ranges are tamper-proof when - [MINItrol Series Totalizer/Rate Meter - KEP](https://www.weschler.com/product/minitrol-series-totalizer-rate-meter-kep/): The MINItrol (MRT) is a 6 digit totalizer and ratemeter with two-level, 5 digit preset alarm control of total or rate. Inputs A & B have separate scaling K-factors. - [West Control Systems Digital Timers - ETM2432 Series](https://www.weschler.com/product/west-digital-timers/): The WEST ETM2432 Digital Timer is fully adjustable with nine timer modes and designed for easy integration within a control installation to fit the user’s needs. CAL Controls, Dual contact timed output, External start, reset and hold inputs, HH:MM or MM:SS time units, Scale 0:01 to 99.59 minutes or 0.01 to 99.59 hours, Increasing or - [Sifam Tinsley Counters](https://www.weschler.com/product/sifam-tinsley-counters/): The Sifam Tinsley N30O series measures frequency, rotational speed, period, number of pulses and elapsed time. They have a 5-digit three-color LED display (14 mm high), programmed in three intervals of the measured value. Meter programming is from the keyboard or through the RS-485 interface by means of the free delivered LPConfigprogram. They have four - [924K Counter, Rate Meter & Timer - Trumeter / KEP](https://www.weschler.com/product/924k-counter-rate-meter-timer-trumeter-kep/): This unique multi-purpose device provides a simultaneous display of the actual value, presets, batch count or total count. Two relay outputs and annunciators for the displayed preset and for the output status enhance device flexibility. Ideal for automated processing, such as batching, conveyor belts, and ratio, interval and run-time measurement, the 924K is designed to - [Byram Digital Synchroscope](https://www.weschler.com/product/byram-digital-synchroscope/): The Byram Digital Synchroscope displays the actual difference of voltage, frequency & phase angle between the BUS (Reference) voltage & generator (Incoming) voltage. When two alternators or sources are to be paralleled it is necessary that their frequency & amplitude should be equal and phase difference to be near zero. When all these three parameters - [ATC Temperature / PID Controller](https://www.weschler.com/product/atc-temperature-pid-controller/): The ATC550 on/off PID temperature controller comes standard with a dual 4 digit 7 segment led display, TC / RTD input, two setpoints, celsius and Fahrenheit selectable scale, field selectable control output (relay or SSR), auxiliary output (relay or SSR depending on model), led indicators, 1/16 din (48 x 48 mm) housing, contact ratings of - [West Dual Temperature / Process Controller](https://www.weschler.com/product/west-dual-temperature-process-controller/): The Pro-EC44 dual temperature controller has been designed to simplify user operation through an intuitive HMI combined with easy-to-use configuration and simulation software, Blue Control©. - [PID Controller - Extech](https://www.weschler.com/product/extech-pid-controller/): Extech 1/16 DIN & 1/4 DIN Temperature PID Controllers with 4-20mA Output or Two Relay Outputs, Fuzzy Logic PID, Auto Tuning, and Soft Start features. - [Simpson Elapsed Time Meters](https://www.weschler.com/product/simpson-elapsed-time-meters/): Each true-time elapsed time meter is ruggedly constructed and is widely used in factory environments where there is a need to accumulate running time and monitor life and performance records on AC and DC-powered equipment. - [Weschler Elapsed Time Meters](https://www.weschler.com/product/weschler-elapsed-time-meters/): Weschler GH-332, GH-352 & BH-351 elapsed time meters indicate the total time that a particular circuit is energized. - [UT35A Controller - Yokogawa](https://www.weschler.com/product/ut35a-controller-yokogawa/): The UT35A is a 1/4 DIN general-purpose digital indicating controller, specialized for single-loop control. A ladder sequence function is included as standard. - [UT32A Controller - Yokogawa](https://www.weschler.com/product/ut32a-controller-yokogawa/): These low-cost models have a sequence control function that is based on the general-purpose ladder logic programming language and are targeted for use in the single-loop control of production equipment. - [Fuji Temperature Controllers - PXF Series](https://www.weschler.com/product/fuji-temperature-controllers-pxf-series/): Fuji Temperature Controllers are equipped with multiple input and output options as well as sophisticated control functions making them suitable for a wide range of applications. - [UP55A Controller- Yokogawa](https://www.weschler.com/product/up55a-controller-yokogawa/): The UP55A is a newly-released 1/4 DIN-sized program controller that provides up to 30 program patterns, and simultaneous monitoring of 8 PV events, 16-time events, and 8 alarms. - [AC Power Clamp Meter - Extech](https://www.weschler.com/product/extech-ac-power-clamp-meter/): The 1000A Extech 380976 AC power clamp meter has both single-phase and three-phase capabilities. - [UT52A Controller - Yokogawa](https://www.weschler.com/product/ut52a-controller-yokogawa/): Yokogawa UT52A is a 1/8 DIN advanced digital indicating controller that balances ease-of-use with the power to handle the most challenging applications. - [UM33A Controller - Yokogawa](https://www.weschler.com/product/um33a-controller-yokogawa/): The Yokogawa UM33A digital indicator has eight alarm outputs and eight-screen display points, twice the number of comparable models. - [Sifam Tinsley Temperature Controller](https://www.weschler.com/product/sifam-tinsley-temperature-controller/): Controllers are available with wide range of sensor, analog, & resistance inputs. Dual inputs and three outputs are optional. - [Partlow / West DIN Controllers](https://www.weschler.com/product/partlow-din-controllers/): The Partlow 1000+ series temperature DIN controllers can be used in any industry where low costs, smaller size, and unmatched connectivity are critical requirements. - [UP35A Controller - Yokogawa](https://www.weschler.com/product/up35a-controller-yokogawa/): The UP35A 1/4 DIN advanced controller provides up to 4 program patterns, and simultaneous monitoring of 2 PV events, 4 time events, and 2 alarms. - [UT75A Controller - Yokogawa](https://www.weschler.com/product/ut75a-controller-yokogawa/): The Yokogawa UT75A digital indicating controllers employ an easy-to-read, 14-segment color LCD display, along with navigation keys, thus greatly increasing the monitoring and operating capabilities. - [Ametek Dixson Bargraph Meters / Controllers](https://www.weschler.com/product/ametek-dixson-bargraph-meters-controllers/): The Ametek Dixson model BK051P replaces Hays-Republic Model 216 and other similar Bailey instruments. The BW051P This enclosure replaces all 4½" standard switchboard circular meters and is a direct replacement for the GE/ Yokogawa AB/DB40 meters. The BB101P and BB202P enclosures are form-factor compatible with standard, 6-inch edgewise switchboard instruments and is a direct replacement - [BG2 High Reliability Digital Bargraph Meters - Weschler](https://www.weschler.com/product/bargraph-2-series-digital-bargraph-meters/): The Weschler BarGraph 2 Series High Reliability Digital Bargraphs are intended for use in applications where accurate and reliable measurement of a process value is of paramount importance. This series is designed to meet or exceed all national nuclear standards for environmental temperature and humidity extremes, seismic shock, EMI/RFI, HMI and system software V&V. The - [BG Series Dual Edgewise Bargraphs - Weschler](https://www.weschler.com/product/bg-series-dual-edgewise-bargraphs/): Weschler's 101 segment LED Bargraphs combine the best of analog and digital solid state instrumentation. The BI125 and PC202 Dual Bargraphs have two independent 101 segment indicator bars that fit easily into standard 6" edgewise and DIN size panel cutouts. Bars are available in red, green or amber. Each bar gives the operator a quick - [ATC Multifunction Multi-Range Timer/Counter](https://www.weschler.com/product/atc-multifunction-multi-range-timer-counter/): The Model 385AR series is an accurate, cost-effective, 10-in-1 multi-function multi-range industrial timer/counter, offering the benefits of 10 unique operating modes within a single unit. It is designed to accept standard voltage inputs of 3 to 30V DC, making it compatible with most industry proximity switches, solid-state devices, as well as potential free contact encoders. - [Bowmar Single Edgewise Bargraphs - Weschler](https://www.weschler.com/product/bowmar-single-edgewise-bargraphs/): The Weschler Bowmar Single Edgewise Bargraphs feature bright, easy-reading 3" to 10" LED bars for OEM and process applications. - [BG Series Large Edgewise Bargraphs - Weschler](https://www.weschler.com/product/bg-series-large-edgewise-bargraphs/): The Weschler BG Series Large BarGraphs include single and multiple channel models BD101, PG101 and PG202. These large Bargraphs directly retrofit Hays, Bailey and Dixson draft gauges. Bars are available in red, green or amber for easy viewing. Weschler's LED Bargraphs combine the visual indication of an analog instrument with the precision of a digital - [AC Voltage Analog Switchboard Meters - Weschler](https://www.weschler.com/product/ac-voltage-current-weschler/): Weschler 4½" (KA-241, KC-241) & 8¾" (KA-261, KC-261) instruments are designed to achieve the ultimate in reliability and performance. - [AC Voltmeters (Switchboard) - Crompton](https://www.weschler.com/product/ac-voltmeters-switchboard-crompton/): This extensive range of analog and digital/analog meters utilizes high shock and provides 1% accuracy for all RMS AC and DC ranges. - [AC Current Switchboard Meters - Yokogawa AB40 Replacements](https://www.weschler.com/product/byram-ac-current-switchboard-meters-mcs-series/): The Yokogawa AB series Switchboard Instruments complies with the American ANSI-C39.1 accuracy class 1 specification. - [AC Ammeters (Switchboard) - Crompton](https://www.weschler.com/product/ac-ammeters-switchboard-crompton/): This extensive range of analog and digital/analog meters utilizes high shock and provides 1% accuracy for all RMS AC and DC ranges. - [DC Current Switchboard Meters - Yokogawa DB40 Replacements](https://www.weschler.com/product/byram-dc-current-switchboard-meters-mcs-series/): Available in the 4½" case size, their rugged design characteristics meet the needs of the most demanding environment applications. - [International Instruments Edgewise Panel Meters](https://www.weschler.com/product/international-instruments-edgewise-panel-meters/): These meters were initially developed to meet the demanding specifications of the Atomic Energy Commission with respect to seismic qualifications, long-life and high accuracy. - [AC Phase Sequence Indicators (Switchboard) - Crompton](https://www.weschler.com/product/ac-phase-sequence-indicators-switchboard-crompton/): Crompton Manufactured, AC Phase Sequence and Phase Failure Indicator meter is used for detecting the sequence of the supply in three-phase electric circuits. - [AC Power Factor Meters (Switchboard) - Crompton](https://www.weschler.com/product/ac-power-factor-meters-switchboard-crompton/): Power factor meters measures the load of an electrical system whether linear or non-linear which is considered Lag or Lead of the the AC electrical system. - [DC Ammeters Switchboard (Analog/Digital) - Crompton](https://www.weschler.com/product/dc-ammeters-switchboard-analog-digital-crompton/): Crompton Instruments model 007-DI features a combination of the traditional 250° 4½" switchboard indicator with the trend indication plus the benefits of wide angle LED visibility. - [DC Voltmeters Switchboard (Analog/Digital) - Crompton](https://www.weschler.com/product/dc-voltmeters-switchboard-analog-digital-crompton/): Crompton Instruments model 007-DI features a combination of the traditional 250° 4½" switchboard indicator with the trend indication plus the benefits of wide angle LED visibility. - [International Instruments Thin Panel Meters](https://www.weschler.com/product/international-instruments-thin-panel-meters/): International Instruments Model 1140 ultra-thin edgewise panel meter is designed for a wide range of commercial, industrial and electronic OEM applications. - [Challenger Series DC Voltmeters - Crompton](https://www.weschler.com/product/challenger-series-dc-voltmeters-crompton/): The Challenger range of analog panel meters offers accurate measurement and indication of most electrical and electronic parameters in industry standard 1½", 2½", 3½" and 4½" case sizes. - [Wide Vue Style Analog Panel Meters DC Voltage/Current - Simpson](https://www.weschler.com/product/wide-vue-style-analog-panel-meters-dc-voltage-current-simpson/): The Simpson Electric Wide-Vue style analog panel meters feature a clear acrylic window for wide angle visibility and a black spade pointer for easy distant reading. - [Round Analog Panel Meters DC Voltage/Current - 125 & 25 - Simpson](https://www.weschler.com/product/round-analog-panel-meters-dc-voltage-current-125-25-simpson/): Round analog panel meters are made of rugged high-density black plastic cases with glass windows and are UL recognized. - [Modutec S & W Series DC Current & Voltage Meters - Jewell](https://www.weschler.com/product/modutec-s-w-series-dc-current-voltage-meters/): Available in five sizes and a wide variety of types and ranges, they resolve many problems for the equipment designer and are always a solid choice for function and appearance. - [DC Voltmeters (Switchboard) - Crompton](https://www.weschler.com/product/dc-voltmeters-switchboard-crompton/): Mounting is by four integral studs. Scales are 240° moving iron and 250° moving coil with parallax error-free platform dials. - [Fiesta Series D.C. Ammeters - Crompton](https://www.weschler.com/product/fiesta-series-d-c-ammeters-crompton/): Dust and Water Jet Protected to IP55 (IEC529). Withstands High Levels of Shock, Vibration, Dirt and Humidity. The Contoured Window Gives an Exceptionally Wide Viewing Angle. Complies with ANSI-C39 (IEC 51) - [Fiesta Series Frequency Meters, 120V - Crompton](https://www.weschler.com/product/fiesta-series-frequency-meters-120v-crompton/): The Fiesta range includes iron vane and moving coil AC and DC ammeters and voltmeters, elapsed time and frequency meters and is ideally suited for demanding environmental conditions. - [Frequency Switchboard Meters - Crompton](https://www.weschler.com/product/frequency-meters-switchboard-crompton-2/): This extensive range of analog and digital/analog meters utilizes high shock and provides 1% accuracy for all RMS AC and DC ranges. - [Century Style Analog Panel Meters DC Voltage/Current - Simpson](https://www.weschler.com/product/century-style-analog-panel-meters-dc-voltage-current-simpson/): Available in 4 different sizes, the Century style is housed in a rugged, black plastic case for added protection and can be ordered in a wide selection of input ranges. - [AC Varmeters (Switchboard) - Crompton](https://www.weschler.com/product/ac-varmeters-switchboard-crompton/): The most frequently selected wattmeter scale marking for common current and voltage transformers are listed on the following pages. - [DC Voltage Switchboard Meters - Yokogawa DB40 Replacements](https://www.weschler.com/product/byram-dc-voltage-switchboard-meters-mcs-series/): Engineering know-how, based on time-proven designs and worldwide use, is built into every switchboard instrument. - [AC Wattmeters (Switchboard) - Crompton](https://www.weschler.com/product/ac-wattmeters-switchboard-crompton/): The most frequently selected wattmeter scale marking for common current and voltage transformers are listed on the following pages. - [Round Analog Panel Meters AC Voltage/Current - 155 & 55 - Simpson](https://www.weschler.com/product/round-analog-panel-meters-ac-voltage-current-155-55-simpson/): Round meters are made of rugged high density black plastic cases with glass windows and are UL recognized. All AC meters listed have an iron-vane type movement and are calibrated at 60 Hz. - [Modutec S & W Series AC Current/Voltage Meters - Jewell](https://www.weschler.com/product/modutec-s-w-series-ac-current-and-voltage-meters/): The Modutec S Series (Surface Mount) and W series (Window Mount) Panel Meters are clean-cut meters with straightforward add distinction to any instrument or control panel. - [BG Series AC Power Circular Bargraphs - Weschler](https://www.weschler.com/product/bg-series-ac-power-circular-bargraphs/): Weschler Bargraphs combine the visual indication of an analog meter with the precision of a digital instrument. Large digits and a wide viewing angle allow operators to easily monitor the signal from a distance. - [DC Voltage & Current Analog Switchboard Meters - Weschler](https://www.weschler.com/product/dc-voltage-current-weschler/): These instruments are recommended for use on electric utility switchboards and industrial process control panels. - [Moving Coil DC Ammeters and Voltmeters (DIN) - Crompton](https://www.weschler.com/product/moving-coil-dc-ammeters-and-voltmeters-din-crompton/): A range of 48, 72, 96 & 144mm DIN style panel meters measuring all electrical parameters and featuring moving coil or moving iron movements. - [Fiesta Series DC Voltmeters - Crompton](https://www.weschler.com/product/fiesta-series-d-c-voltmeters-crompton/): The Crompton Fiesta Series (Model 016) is a robust range of short-scale 3½" surface-mount panel meters offering IP55 protection and featuring a wide view contoured window. - [Moving Iron & Rectifier AC Ammeters and Voltmeters (DIN) - Crompton](https://www.weschler.com/product/moving-iron-rectifier-ac-ammeters-and-voltmeters-din-crompton/): A range of 48, 72, 96 & 144mm DIN style panel meters measuring all electrical parameters and featuring moving coil or moving iron movements. - [AC Voltmeters Switchboard (Analog/Digital) - Crompton](https://www.weschler.com/product/ac-voltmeters-switchboard-analog-digital-crompton/): Crompton Instruments model 007-DI features a combination of the traditional 250° 4½" switchboard indicator with the trend indication plus the benefits of wide angle LED visibility. - [AC Ammeters Switchboard (Analog/Digital) - Crompton](https://www.weschler.com/product/ac-ammeters-switchboard-analog-digital-crompton/): Crompton Instruments model 007-DI features a combination of the traditional 250° 4½" switchboard indicator with the trend indication plus the benefits of wide-angle LED visibility. - [HST-70u, HST-90u Hoyt Analog Panel Meters](https://www.weschler.com/product/hst-70u-hst-90u-hoyt-analog-panel-meters/): Ammeters, Voltmeters & Frequency Meters 2½" and 3½" Sizes Meets ANSI C39.1 Equivalent to Yokogawa Big Look Series Catalog Page-070 HST-70u-DS HST-90u-DS - [Weschler Edgewise Switchboard Meters - Horizontal](https://www.weschler.com/product/weschler-edgewise-switchboard-meters-horizontal/): Their ruggedness and reliability make them an excellent choice for any control panel. The H252 Meters exceed the requirements for the 2% class specified in ANSI C39.1 - [UT55A Controller - Yokogawa](https://www.weschler.com/product/ut55a-controller-yokogawa/): The Yokogawa UT55A is a 1/4 DIN advanced digital indicating controller that balances ease-of-use with the power to handle the most challenging applications. - [MB2 Mini-Batcher Batch Controller - KEP](https://www.weschler.com/product/kep-batch-controller/): The Mini-Batcher is a 6 digit totalizer and 4.5 digit rate meter with two relay outputs. Up to 247 units can communicate to a host computer using Modbus RTU protocol. - [Tri-Color Edgewise Bargraph Meters - Weschler](https://www.weschler.com/product/tri-color-edgewise-bargraph-meters-2/): These meters provide the quickest way to spot problems in process control panels with bright changing colors. - [Challenger Series AC Ammeters - Crompton](https://www.weschler.com/product/challenger-series-ac-ammeters-crompton/): This innovative design features a detachable lower fascia plate, which allows the flexibility of either surface or window mounting. - [Weschler Edgewise Switchboard Meters - Vertical](https://www.weschler.com/product/weschler-edgewise-switchboard-meters-vertical-2/): The VX-252, VC-252 & VR3-252 edgewise switchboard meters were designed specifically for the nuclear power industry. Their ruggedness and reliability make them an excellent choice for any control panel. - [Single & Dual Concentric Bargraphs - Weschler](https://www.weschler.com/product/single-dual-concentric-bargraphs-3/): The BF6400 family of Bargraph Meters provides either one or two channels of signal conditioning and display in a rugged metal case. - [Saxon Series DC Ammeters - Crompton](https://www.weschler.com/product/saxon-series-dc-ammeters-crompton-2/): Crompton Saxon Analog Meters Model 012 (2.5 inch) and Model 013 (3.5 inch) are a versatile range of surface mount analog panel meters utilizing pivot and jewel mechanisms and offering IP54 protection. - [DC Ammeters (Switchboard) - Crompton](https://www.weschler.com/product/dc-ammeters-switchboard-crompton-2/): High-quality range of switchboard instruments with Class 1 accuracy and which complies with American ANSI-C39.1 specifications. - [HLS-80 Hoyt Analog Mini Switchboard Meter](https://www.weschler.com/product/hls-80-hoyt-analog-mini-switchboard-meter-2/): Analog mini switchboard panel meters HLS Series - 3½" Switchboard Meters with wide angle, easy to read long-scale and pointer-indications. Compact size for limited panel space. - [Century Style Analog Panel Meters AC Voltage/Current - Simpson](https://www.weschler.com/product/century-style-analog-panel-meters-ac-voltage-current-simpson-2/): The Simpson Electric Century style analog panel meters feature a glass window for optimum viewing and a black knife-edge pointer for precision reading. - [Saxon Series AC Ammeters - Crompton](https://www.weschler.com/product/saxon-series-ac-ammeters-crompton-2/): The Saxon range includes iron vane and moving coil AC and DC ammeters and voltmeters and frequency meters designed to perform in demanding environments. - [Saxon Series DC Voltmeters - Crompton](https://www.weschler.com/product/saxon-series-dc-voltmeters-crompton-2/): Crompton Saxon Analog Meters Model 012 (2.5 inch) and Model 013 (3.5 inch) are a versatile range of surface mount analog panel meters utilizing pivot and jewel mechanisms and offering IP54 protection. - [Modutec PB Series DC Current & Voltage Meters - Jewell](https://www.weschler.com/product/modutec-pb-series-dc-current-voltage-meters/): The PB series industrial panel board meters meet or exceed the requirements of ANSI C39.1. The mounting stud configuration complies with ANSI standards. - [Challenger Series AC Voltmeters - Crompton](https://www.weschler.com/product/challenger-series-ac-voltmeters-crompton/): AC moving coil rectified meters provide 1.5% accuracy of the full scale value and feature a rear zero adjuster screw for tamper-proof installation. - [Challenger Series DC Ammeters - Crompton](https://www.weschler.com/product/challenger-series-dc-ammeters-crompton-2/): The Challenger range of analog panel meters offers accurate measurement and indication of most electrical and electronic parameters in industry-standard 1½", 2½", 3½" and 4½" case sizes. - [Simpson Frequency Meters](https://www.weschler.com/product/simpson-frequency-meters/): Simpson frequency meters are ideal for monitoring line frequency. They are used wherever fast, precise monitoring of complex circuits is essential. - [Saxon Series Frequency Meters - Crompton](https://www.weschler.com/product/saxon-series-frequency-meters-crompton-2/): The Saxon range includes iron vane and moving coil AC and DC ammeters and voltmeters and frequency meters designed to perform in demanding environments. - [Tyco Crompton AC Overload Ammeters](https://www.weschler.com/product/tyco-crompton-ac-overload-ammeters-2/): A range of 72 & 96mm DIN style panel meters measuring all electrical parameters and featuring moving coil or moving iron movements. - [Fiesta Series AC Ammeters - True RMS Reading - Crompton](https://www.weschler.com/product/fiesta-series-a-c-ammeters-true-rms-reading-crompton/): The Crompton Fiesta Series (Model 016) is a robust range of short-scale 3½" surface mount panel meters offering IP55 protection and featuring a wide view contoured window. - [Sifam Tinsley Dual Loop Controller](https://www.weschler.com/product/sifam-tinsley-dual-loop-controller/): The Sifam Tinsley RE92 Dual Loop controllers can control two objects independently or control two physical values in one object (e.g. in two-zone furnaces). - [Partlow Limit Controllers](https://www.weschler.com/product/partlow-limit-controllers/): More versatile features and user-friendly functionality have been added to the Partlow limit controllers including digital inputs, an easy-to-use human-machine interface, jumperless and auto-hardware configuration, 24VDC transmitter power supply, and MODBUS communication. - [Tri-Color Circular Bargraph Meters - Weschler](https://www.weschler.com/product/tri-color-circular-bargraph-meters-2/): The Weschler Instrument TriColor BarGraphs provide the quickest way to spot problems in process control panels with bright changing colors. - [4.5" DC Analog Meter Relay - Model 6045MR - Hoyt](https://www.weschler.com/product/4-5-dc-analog-meter-relay-model-6045mr-hoyt/): The Hoyt Model 6045MR 4.5" DC Analog Meter Relay has a wide variety of control, alarm and limit uses. - [4.5" AC Analog Meter Relay - Model 6046MR - Hoyt](https://www.weschler.com/product/4-5-ac-analog-meter-relay-model-6046mr-hoyt/): The Hoyt Model 6046MR 4.5" AC Analog Meter Relay has a wide variety of control, alarm and limit uses. - [HLS-110 Hoyt Analog Switchboard Meter](https://www.weschler.com/product/hls-110-hoyt-analog-switchboard-meter-2/): Analog switchboard meter from the HLS Series - 4½" Switchboard Meters with wide angle long-scale and pointer-indications. Can easily be read from a distance. - [Saxon Series AC Voltmeters - Crompton](https://www.weschler.com/product/saxon-series-ac-voltmeters-crompton/): Crompton Saxon Analog Meters Model 012 (2.5 inch) and Model 013 (3.5 inch) are a versatile range of surface mount analog panel meters utilizing pivot and jewel mechanisms and offering IP54 protection. - [Wide Vue Style Analog Panel Meters AC Voltage/Current - Simpson](https://www.weschler.com/product/wide-vue-style-analog-panel-meters-ac-voltage-current-simpson/): The Simpson Electric Wide-Vue style analog panel meters feature a clear acrylic window for wide-angle visibility and a black spade pointer for easy distant reading. - [Frequency Panel Meters (DIN) - Crompton](https://www.weschler.com/product/frequency-panel-meters-din-crompton/): Crompton DIN analog panel meters range of 48, 72 and 96mm DIN style panel meters measuring all electrical parameters and featuring moving coil or moving iron movements. - [Challenger Series Frequency Meters - Crompton](https://www.weschler.com/product/challenger-series-frequency-meters-crompton/): The Challenger range of analog panel meters offers accurate measurement and an indication of most electrical and electronic parameters in industry-standard 1½", 2½", 3½" and 4½" case sizes. - [Fiesta Series A.C. Voltmeters - True RMS Reading - Crompton](https://www.weschler.com/product/fiesta-series-a-c-voltmeters-true-rms-reading-crompton/): The Crompton Fiesta Series (Model 016) is a robust range of short-scale 3½ surface mount panel meters offering IP55 protection and featuring a wide view contoured window. - [Modutec PB Series AC Current/Voltage Meters - Jewell](https://www.weschler.com/product/modutec-pb-series-ac-current-and-voltage-meters/): The PB series industrial panel meters meet or exceed the requirements of ANSI C39.1. The mounting stud configuration complies with ANSI standards. - [Panelist Series Analog Panel Meters - LFE](https://www.weschler.com/product/panelist-series-analog-panel-meters-lfe/): LFE Panelist series is suitable for a variety of industrial environments. Wide selection of ranges available. - [Model 42 Prime Instruments 5% Accuracy Panel Meters](https://www.weschler.com/product/model-42-prime-instruments-5-accuracy-panel-meters/): High impact plastic case Glass or acrylic lens Bezel: black or anodized aluminum, chrome, stainless steel 2.32: dia. x 2.10" deep Clamp mounting in 2.032" hole Made in USA AC & DC models 5% accuracy Wide selection of sizes & styles Custom ranges & artwork available Available Ranges: DC volts: 0-1 to 0-500 DC milliamps: - [Model 21 Prime Instruments 5% Accuracy Panel Meters](https://www.weschler.com/product/model-21-prime-instruments-5-accuracy-panel-meters/): Rugged steel case Black ABS bezel 2.5" x 3.25" x 1.71" deep Clamp mounting in 2.032" hole Made in USA AC & DC models 5% accuracy Wide selection of sizes & styles Custom ranges & artwork available Available Ranges: DC volts: 0-1 to 0-500 DC milliamps: 0-1 to 0-500 DC amps: 0-1 to 0-100 AC - [A&M Ruggedized Panel Meters](https://www.weschler.com/product/am-ruggedized-panel-meters/): Ruggedized panel meters are ideal for use in field communication or test equipment where severe environmental conditions are encountered. - [Weschler Motor Load Analog Panel Meters](https://www.weschler.com/product/weschler-panel-meters/): Weschler Conventional Types 351 and 371 and 20/20 Types G-332, G-352 and G-372 meet all performance requirements of ANSI C39.1-1981 for round and rectangular panel instruments. - [Model 37 Prime Instruments 5% Accuracy Panel Meters](https://www.weschler.com/product/model-37-prime-instruments-5-accuracy-panel-meters/): Lexan bezel. Rugged moving magnet construction. Case: Zinc plated steel (ABS cycolac available for marine applications). 2.375" x 2.375" x 1.75" deep. Clamp mounting in 2.032" hole. Made in USA AC & DC models 5% accuracy Wide selection of sizes & styles Custom ranges & artwork available Model 37 Available Ranges: DC volts: 0-1 to - [250° DC Meters - 250 Series - Hoyt](https://www.weschler.com/product/250-dc-meters-hoyt/): Utilize a highly damped, spring loaded pivot and jewel movement with mechanical interlocking to develop high torque. - [7000 Series Analog Panel Meters - LFE](https://www.weschler.com/product/7000-series-analog-panel-meters-lfe/): The LFE 7000 Series analog panel meters provide quick-change versatility. Many different variables can be measured on one meter. - [195 Series Optical Meter Relays - LFE](https://www.weschler.com/product/195-series-optical-meter-relays-lfe/): The 195 Series (V3 3½") and 196 Series (V4 4½") Meter-Relays contain an exclusive light-sensitive transistor switch that provides the ultimate in control simplicity and reliability. - [Round Series Analog Panel Meters - LFE](https://www.weschler.com/product/round-series-analog-panel-meters-lfe/): The versatile Model 1235 3½" round panel meter has been designed for cost-effectiveness while maintaining the quality that has made LFE/api a leader in the test and measurement marketplace. - [Hioki Meter Relays](https://www.weschler.com/product/hioki-meter-relays/): Hioki Meter Relays are industrial 1-channel devices to assist in energy saving and automation implementations. - [Simpson Rugged Seal Analog Meter Relays - 3300 Series](https://www.weschler.com/product/simpson-analog-meter-relays/): The Simpson Analog Meter Relay 3300 Series panel meters offer a wide variety of applications in control, alarm and limit use. - [Tyco Crompton Meter Relays](https://www.weschler.com/product/tyco-crompton-meter-relays/): Series 239 and 007 meter relays combine a highly accurate indicator with High and Low setpoint relays. - [Hoyt VU Meters](https://www.weschler.com/product/hoyt-vu-meters/): The VU meter is the standard level indicator for audio frequency transmission systems. - [Ruggedized Series Analog Panel Meters - LFE](https://www.weschler.com/product/ruggedized-series-analog-panel-meters-lfe/): These ruggedized and sealed panel meters are built to function in severe environments. Available in three sizes: 2½", 3½" and 4½" diameters. - [5000 Series Illuminated Meters - Hoyt](https://www.weschler.com/product/5000-series-illuminated-meters-hoyt/): Hoyt Analog Panel Meters 5000 Series is ideal where impact and strength are required in harsh environments. Dust-resistant construction is a standard feature in the 5000 Series panel meters. This unique sealing design provides exceptional gasket sealing while allowing for quick modification and scale changes while maintaining the integrity of the instrument. Vibration & Harsh - [3100 Series Illuminated Meters - Hoyt](https://www.weschler.com/product/3100-series-illuminated-meters-hoyt/): The 3100 Hoyt panel meter series consists of a popular industrial styled, high impact plastic case that is available for surface or window mounting applications. - [196 Series Optical Meter Relays - LFE](https://www.weschler.com/product/196-series-optical-meter-relays-lfe/): The 195 Series and 196 Series Meter-Relays contain an exclusive light-sensitive transistor switch that provides the ultimate in control simplicity and reliability. - [Round Panel Meters - Hoyt](https://www.weschler.com/product/round-panel-meters-hoyt/): Metal or Phenolic Case 2½" - 4½" Sizes DC & AC Types Wide Variety of Options Military Qualified Versions (2½" & 3½") Catalog Page 073 - [Single & Three Phase Voltage Transducers - Texmate](https://www.weschler.com/product/single-phase-voltage-transducers-texmate/): Texmate TV transducers convert AC voltage signals to a DC value for easy readout or input to a SCADA system. - [AC Current Transducers - PCM & PCL Series - GE ITI](https://www.weschler.com/product/instrument-transformer-ac-current-transducers/): The GE-ITI PCM & PCL transducer accurately converts a sinusoidal AC input to a proportional dc current. - [Tyco Crompton Integra Power & Energy Transducer Systems](https://www.weschler.com/product/tyco-crompton-power-energy-transducer-systems/): Integra 1560 and 1580 multi-function transducers provide high accuracy - [Electro Industries Power Transducers - Shark 100T](https://www.weschler.com/product/electro-industries-power-transducers/): Electro Industries introduces one of the industry’s highest performance revenue-grade panel meters. - [Veris Split Core KW Transducers](https://www.weschler.com/product/veris-split-core-kw-transducers/): The Enercept H804x Series kW (real power)/kWh (consumption) transducers combine processing electronics & industrial-grade CTs in an easy-to-install split-core package. - [Power Transducers - APT-TH Series - NK Technologies](https://www.weschler.com/product/nk-technologies-power-transducers-apt-th-series/): NK Technologies APT-TH series, Three-hole Power Transducer: The APT-TH Series Power Transducers monitor watt consumption of three-phase loads. - [ATP3/4 & ATPR3/4 Series AC High Current Transducers - NK Technologies](https://www.weschler.com/product/atp-series-ac-current-transducers-nk-technologies/): NK Technologies AC Current Transducers (ATP3, ATP4, ATPR3, ATPR4) are large-format solid-core models designed for applications from 200A to 2000A. - [Ground Fault Detector - AG Series - NK Technologies](https://www.weschler.com/product/nk-technologies-ground-fault-detector-ag-series/): Detects ground fault (earth leakage) conditions by monitoring all current-carrying conductors in a grounded single or three-phase system. - [Theta Frequency Transducers - Sifam Tinsley](https://www.weschler.com/product/frequency-transducers-sifam-tinsley/): Sifam Tinsley Theta HZ transducers are used for frequency measurement. The output signal is proportional to the measured frequency and is a either load independent DC current or load independent DC voltage. - [DT Series, 4-Wire DC Current Transducers - NK Technologies](https://www.weschler.com/product/dt-series-4-wire-dc-current-transducers-nk-technologies/): The DT Series 4 Wire DC Current Transducers (DT1, DT2, DT3, DT4) combine a Hall effect sensor and signal conditioner into a single package for use in DC current applications up to 400 A. - [Ashcroft Pressure Switches NPI & NPA Series](https://www.weschler.com/product/ashcroft-pressure-switches/): This electronic pressure switch will outlast mechanical switches in high-cycle applications. The pressure sensor is a stable thin-film transducer with proven reliability and long life. - [Model DG25 Digital Pressure Gauge - Ashcroft](https://www.weschler.com/product/model-dg25-digital-pressure-gauge-ashcroft/): The Ashcroft® DG25 general-purpose digital pressure gauge provides exceptional performance, stability and reliability. - [Ashcroft Test Gauges (Models 2084, 2086 & 2089)](https://www.weschler.com/product/ashcroft-test-gauges/): These Precision Digital Test Gauges are available with 0.05%, 0.1% or 0.25% total error band (TEB) accuracy. - [T5500E Process Pressure Gauge with Output - Ashcroft](https://www.weschler.com/product/t5500e-process-pressure-gauge-with-output-ashcroft/): The Ashcroft® T5500E process gauge with output combines a pressure gauge and pressure transmitter; reducing costs for multiple instruments. - [Model 2074, 2174 and 2274 Digital Pressure Gauges - Ashcroft](https://www.weschler.com/product/model-2074-2174-and-2274-digital-pressure-gauges-ashcroft/): The Ashcroft 2074, 2174, and 2274 digital industrial gauges are multi-functional digital gauges that feature optional 4-20mA outputs and 1 or 2 SPDT switches. - [Pyromation Insulated Thermocouples](https://www.weschler.com/product/pyromation-insulated-thermocouples/): Pyromation produces a wide range of thermocouples and thermocouple replacements for most market applications, including MgO (Magnesium Oxide), industrial and general-purpose types. - [NEO EchoKing Ultrasonic Level Transmitters - Kobold](https://www.weschler.com/product/kobold-ultrasonic-level-transmitters/): The KOBOLD NEO Series EchoKing™ ultrasonic level transmitter is a full-featured level sensing system suitable for monitoring levels of liquids and some dry bulk materials. The KOBOLD NEO Series EchoKing™ ultrasonic level transmitter is a full-featured level sensing system suitable for monitoring levels of liquids and some dry bulk materials. Despite its technical complexity, the - [AC Voltage & Current Transducers - Sifam Tinsley](https://www.weschler.com/product/ac-voltage-current-transducers-sifam-tinsley/): Theta 20 current Transducer converts an AC Voltage or Current input into a load independent DCV or DCmA output signal. The output is proportional to the True RMS of the input. - [WATT, VAR Power Factor Transducers - Texmate](https://www.weschler.com/product/watt-var-power-factor-transducers-texmate/): These Texmate power transducers provide an accurate measurement of active & reactive power for balanced or unbalanced loads. - [AC Current Switches - AS1, ASX Series - NK Technologies](https://www.weschler.com/product/nk-technologies-ac-current-switches-as1as3asx-series/): If you control or monitor electric-powered loads, you need current switches. Monitor fans, pumps, lights, and heaters for proper operation. - [Theta 40 Power System Transducer - Sifam Tinsley](https://www.weschler.com/product/theta-40-programmable-multi-transducer-heavy-current-power-systems-sifam-tinsley-2/): The Sifam Tinsley Theta 40 Series simultaneously measure several variables of an electric power system and process them to produce 2, 3 or 4 analog output signals. - [DC Voltage Transducers - VTD Series - NK Technologies](https://www.weschler.com/product/nk-technologies-dc-voltage-tranducers-vtd-series/): The VTD Series Voltage Transducers are high-performance transducers for sensing voltage in DC powered installations. - [TMA Temperature Transmitters - Kobold](https://www.weschler.com/product/tma-temperature-transmitters-kobold/): The KOBOLD TMA Series temperature transmitters employ a Pt100 Class B resistive temperature detector (RTD) combined with an integrated, loop-powered 4-20 mA output transmitter. - [Digital Pressure Sensor - PSD Series- Kobold](https://www.weschler.com/product/kobold-psd-digital-pressure-sensor/): The PSD is an economical, adjustable pressure sensor with a digital display and analog output for monitoring the pressure of compatible liquids, air or other non-combustible, non-aggressive gases. - [TDA Digital Temperature Sensor - Kobold](https://www.weschler.com/product/kobold-digital-temperature-sensor/): KOBOLD TDA Series digital temperature sensor incorporates the latest sensing technology into a very versatile, simple-to-operate package. - [Low Flow Sensor - DPL Series - Kobold](https://www.weschler.com/product/kobold-low-flow-sensor/): The Kobold DPL Series is ideal for applications requiring accurate flow measurement of transparent liquid media. - [KAL-A Series Thermal Flow Sensors - Kobold](https://www.weschler.com/product/kal-a-series-differential-pressure-thermal-flow-sensors-kobold/): Compact, one-piece thermal flow sensors with no moving parts provide reliable readings largely unaffected by temperature or physical characteristics of a wide variety of water-based process liquids. - [RCD Series Differential Pressure Flow Meters - Kobold](https://www.weschler.com/product/rcd-series-differential-pressure-thermal-flow-sensors-kobold/): The KOBOLD RCD Series differential pressure flowmeter is suitable for monitoring water and water-like liquids. - [TST Temperature RTD Transmitters - Kobold](https://www.weschler.com/product/tst-temperature-transmitters-kobold/): KOBOLD TST Series integrated RTD temperature transmitters are one of the most advanced designs in the market today. - [Pyromation Platinum RTD’s](https://www.weschler.com/product/pyromation-platinum-rtds/): Pyromation manufactures resistance temperature detectors and resistance thermometers for many industry applications. - [KEP Photoelectric Sensor](https://www.weschler.com/product/kep-photoelectric-sensors/): The PD Series photoelectric sensors offer superior optical performance in a miniature 18 mm package. - [ATC Westcon Tach Generators](https://www.weschler.com/product/atc-westcon-tach-generators/): AC / DC Model 750 and 758 series tachometers from the WESTCON line are highly rugged and built to convert rotary speed into a linear output voltage. - [Target-Type Flow Sensor - DPT-C Series - Kobold](https://www.weschler.com/product/kobold-target-type-flow-sensor/): The KOBOLD DPT Series target-type flowmeter uses a unique, patented target system to measure the flow of liquids. - [Noshok 820/821 Series Digital Temperature Indicators](https://www.weschler.com/product/noshok-820-821-series-digital-temperature-indicators/): The Noshok 820/821 series digital temperature indicators are a suitable replacement for bi-metal, liquid bulb and glass thermometers in various applications. - [API Plug-In Alarms](https://www.weschler.com/product/api-plug-in-alarms/): The API 1080 G and API 1090 G accept a DC voltage or current input and provide visual alarm indication and alarm relay contact outputs. - [API Frequency to DC Transmitters](https://www.weschler.com/product/api-frequency-to-dc-transmitters/): These API transmitters accept a frequency input and provide an optically isolated DC voltage or current output that is linearly proportional to the input. - [SUSI Power Meter Panel Adapters](https://www.weschler.com/product/susi-power-meter-panel-adapters/): Use SUSI Panel Adapters to quickly upgrade to the newest metering technology without shutting down the circuit. - [Weschler Instrument Assemblies](https://www.weschler.com/product/weschler-instrument-assemblies/): Weschler’s Meter Modification Center can assemble instruments into housings to simplify the installation of one instrument or a large instrument cluster. - [Ammeter Switches - 2 Pole for Floating Ammeter - Control Switches](https://www.weschler.com/product/ammeter-switches-2-pole-for-floating-ammeter-control-switches/): Rotary cam switches series N has been developed to the latest achievements in the field of switching devices through the application of high-quality insulation materials and contacts made with silver alloys. - [Ammeter Switches - Grounded CT, Grounded Ammeter - Control Switches](https://www.weschler.com/product/ammeter-switches-grounded-ct-grounded-ammeter-control-switches/): These ammeter switches have high making and breaking capacities, electrical and mechanical endurance and small dimensions. - [API Compact Converters / Isolators](https://www.weschler.com/product/api-compact-converters-isolators/): K-Line compact converters are signal conditioners featuring 3-way digital isolation to 1.5 kVAC, precision class 0.1% accuracy, power supply range from 19.2 to 30 VDC, compact size (only 6.2 mm width), low power consumption and MTBF of over 500,000 hours. - [Weschler Polycarbonate Enclosures](https://www.weschler.com/product/weschler-polycarbonate-enclosures/): A cost effective alternative to metal enclosures for protection from dirt, dust, water & mild acids. - [Pyromation Thermowells](https://www.weschler.com/product/pyromation-thermowells/): Thermowells are pressure-tight receptacles that protect and extend the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible. - [Three-Phase Power Transducers - APT Series - NK Technologies](https://www.weschler.com/product/nk-technologies-three-phase-power-transducers-apt-series-2/): The APT power transducer can be configured to accept 5A secondary current transformers or the safer ProteCT™ low voltage output sensors. - [Adalet Stainless Steel Enclosures](https://www.weschler.com/product/adalet-stainless-steel-enclosures/): Adalet JN4XHSS Series Hinged Clamped Cover Enclosure with 304 stainless steel with a brushed finish. Hardware kit included. - [Voltmeter / Ammeter Switches - Control Switches](https://www.weschler.com/product/voltmeter-ammeter-switches-control-switches/): Switch current transformer and potential transformer secondaries to AC ammeters and voltmeters. - [Noshok 850 Series Electronic Temperature Transmitter / Switch](https://www.weschler.com/product/noshok-850-series-electronic-indicating-temperature-transmitter-switch/): The NOSHOK 850 Series Electronic Indicating Temperature Switch/Transmitters deliver precision indicating and switching control. - [Weschler Fiberglass Enclosures](https://www.weschler.com/product/weschler-fiberglass-enclosures/): These rugged enclosures insulate and protect electronic instrumentation in both indoor and outdoor applications. - [Trumeter Time Relays](https://www.weschler.com/product/trumeter-time-relays/): The Trumeter 795X are DIN rail mountable digital time relays, available with either 8 operating modes (7954) or 18 operating modes (7957). - [Voltmeter Switches - Control Switches](https://www.weschler.com/product/voltmeter-switches-control-switches/): Rotary cam switches series N have been developed to the latest achievements in the field of switching devices through the application of high-quality insulation materials and contacts made with silver alloys. - [Model 467 AC Voltage Transformers - Weschler](https://www.weschler.com/product/model-467-ac-voltage-transformers-weschler-2/): Weschler Model 467 Voltage Transformers: Single Phase; Accuracy: 1%@5 VA; Thermal Rating:40VA. - [Single & Three Phase Current Transducers - Texmate](https://www.weschler.com/product/single-phase-current-transducers-texmate-2/): Texmate TA Series transducers convert AC current signals to a DC value for easy readout or input to a SCADA system. - [WATT-Hour, VAR-Hour Transducers - Texmate](https://www.weschler.com/product/watt-hour-var-hour-transducers-texmate-2/): These Texmate Power transducers provide an accurate measurement of active & reactive power for balanced or unbalanced loads. - [Theta Power Transducers - Sifam Tinsley](https://www.weschler.com/product/power-transducers-sifam-tinsley-2/): The Sifam Tinsley Theta 30P is a compact, multi-function panel mount power quality monitor, which measures, calculates and displays major electrical parameters of three-phase power systems. - [Tyco Crompton Paladin AC Power Transducers](https://www.weschler.com/product/tyco-crompton-ac-power-transducers-2/): A wide range of transducers to measure all forms of power, in single or 3 phase balanced or unbalanced, 3 or 4 wire systems. - [Adalet Explosion-Proof Meter Housings](https://www.weschler.com/product/adalet-explosionproof-meter-housings/): Explosion-proof instrument enclosures are offered in a variety of sizes and carry global certifications for use around the world. - [Veris AC Current Transducers](https://www.weschler.com/product/veris-ac-current-transducers-2/): Analog output current sensors providing a signal corresponding to actual amperage draw of the monitored load. Provided in a wide range of amperages and available with convenient slide switch range selection. - [Model 460 AC Voltage Transformers - Weschler](https://www.weschler.com/product/model-460-ac-voltage-transformers-weschler-2/): Designed for line to line operation but may also be used in line to neutral or line to ground configuration at 58% of rated voltage. - [Model 468 AC Voltage Transformers - Weschler](https://www.weschler.com/product/model-468-ac-voltage-transformers-weschler-2/): These transformers are encased in a thermoplastic case with the core and windings encapsulated in resin. - [Frequency Transducers - Texmate](https://www.weschler.com/product/frequency-transducers-texmate-2/): Texmate frequency transducer converts AC line frequency signals to a DC value for easy readout or input to a SCADA system. - [Tyco Crompton Paladin Transducers](https://www.weschler.com/product/tyco-crompton-current-and-voltage-transducers-2/): Transducers offer multiple analogue outputs from one housing, and individual measurement of most electrical parameters. - [Single-Phase Power Transducers - APS Series - NK Technologies](https://www.weschler.com/product/nk-technologies-single-phase-power-transducers-aps-series-2/): The APS Series measures true power (HP or kW) on balanced loads. Ideal for mixing, grinding, machining and pumping applications where power measurement is needed - [Veris VFD Current Transducer & Switches](https://www.weschler.com/product/veris-vfd-current-transducer-switches-3/): Veris Transducer & Switches for Load Side Monitoring of Variable Frequency Drives. Hawkeye 720, 904 and 934 current monitoring devices provide unique solutions for accurately monitoring the status of motors controlled by variable frequency drives. - [Series 1800 Attachable Loop Indicator - Noshok](https://www.weschler.com/product/series-1800-attachable-loop-indicator-noshok-2/): The Model 1800 Attachable Loop-Powered Digital Indicator can be fitted to NOSHOK pressure transmitters utilizing a 4 mA to 20 mA output signal and the Hirschmann connector. - [Fluke 287 & 289 Logging Digital Multimeters](https://www.weschler.com/product/fluke-287-high-performance-digital-multimeters/): Fluke 287 & 289 are TRMS Digital Logging Multimeter with TrendCapture to quickly document performance and graphically displays results. - [Fluke Compact Multimeters 110 Series](https://www.weschler.com/product/fluke-compact-digital-multimeters/): The Fluke 110 series of compact multimeters displays True-RMS voltage and current readings with 6000 count resolution and tests continuity and resistance. - [Trumeter APM Microamp Meter](https://www.weschler.com/product/trumeter-apm-micro-meter/): The Trumeter APM Microamp Meter is a specialized meter for high resolution DC current measurement in microamps. - [Trumeter APM Temperature Meter](https://www.weschler.com/product/trumeter-apm-temperature-meter/): The Trumeter APM Temperature Meter is designed for use with thermocouples and can be used to control other systems in the process. - [Trumeter APM Multi Input Panel Meter](https://www.weschler.com/product/trumeter-apm-multi-input/): These APM panel meters can be programmed (using the free setup software) to measure volts, amps or frequency. The APM-M2 operates from a 100-240V AC supply; the APM-M1 from a 12-24V AC or DC supply. Both auto-detect AC or DC on the input, and measure up to 600V with an accuracy of 1%. The dynamic - [Trumeter Advanced Panel Meters](https://www.weschler.com/product/trumeter-advanced-panel-meters/): The Trumeter APM is an easy-to-use, multi-format, programmable panel meter for measuring volts, amps or frequency. It has both a large 4 digit display and a 40 segment bar display. A separate annunciator can be set to display the function or a custom message. The Trumeter APM is a cost-effective alternative to the traditional moving - [Megger Multifunctional Voltage and Current Tester - MET1000](https://www.weschler.com/product/megger-multifunctional-voltage-and-current-tester-met1000/): The Megger MET1000 is a multifunctional voltage and current tester providing electricians and electrical engineers with a versatile and robust hand-held all-in-one meter, with detachable test leads. - [TPT420 Voltage Tester - Megger](https://www.weschler.com/product/tpt420-voltage-tester-megger/): LCD and LED displays, the TPT420 provides both AC and DC voltage measurement - from 12 to 1000 V AC and up to 1500 V DC. - [APM Power Meter - Trumeter](https://www.weschler.com/product/apm-power-meter-trumeter/): APM-PWR are panel mounted energy meters that measure active, reactive & apparent power, as well as many other electrical parameters. - [Fork Multimeter - Megger DCM330](https://www.weschler.com/product/fork-multimeter-megger-dcm330/): The Megger DCM330 Fork Multimeter is a convenient, compact instrument designed to measure ac current up to 200 A, and additionally perform all the functions of a basic multimeter. - [Weatherproof Split Core Transformers, Window 2.6" x 6.25" - Model 608 - GE ITI](https://www.weschler.com/product/model-608-weatherproof-window-2-6-x-6-25-transformers-instrument-transformer-2/): Weatherproof Split Core AC Current Transformers available from 500A to 3200A primary and 5A secondary. No need for dismantling the primary bus or cables. - [Heavy Duty Industrial Multimeters - EX500 Series - Extech](https://www.weschler.com/product/extech-industrial-multimeters/): Extech EX500 series heavy duty industrial multimeters, with CAT IV 600V safety rating, waterproof (IP67) with a rugged design. - [Magneto-Inductive Flowmeters - Kobold](https://www.weschler.com/product/kobold-magneto-inductive-flowmeters-2/): This magmeter measures flow using the magneto-inductive principle. Flow Rates from 0.26 GPM to 200 GPM. - [Fluke Digital Multimeters 170 Series](https://www.weschler.com/product/fluke-digital-multimeters/): Fluke 170 series Digital Multimeters are the preferred solution for professional technicians worldwide. Independently tested for safe use in CAT IV 600 V/CAT III 1000 V environments. - [Fluke 87V High Performance Multimeters](https://www.weschler.com/product/fluke-87v-high-performance-digital-multimeters/): Fluke 87V has improved measurement functions & troubleshooting features, to solve problems on motor drives, in plant automation, power distribution and electro-mechanical equipment. - [Process Multimeter CA450 - Yokogawa](https://www.weschler.com/product/process-multimeter-ca450-yokogawa/): The Yokogawa CA450 integrates the functionality of a loop calibrator with a digital multimeter. The CA450 Process Multimeter is a portable test instrument to combine a digital RMS multimeter and a loop calibrator to give process technicians the same functionality in one tool. The CA450 provides 24-Volt loop power, reducing the need for carrying a - [Yokogawa TY Series Digital Multimeters](https://www.weschler.com/product/yokogawa-ty-series-digital-multimeters/): 3.5-digit (6000-count dual display, 31-segment bar graph display), RMS type Measurement Functions. - [30A True RMS AC/DC Mini Clamp Meter - Extech](https://www.weschler.com/product/30a-true-rms-ac-dc-mini-clamp-meter-extech/): Clamp meter has a remarkable 0.1mA resolution (AC), very low-current sensitivity, and a small diameter jaw designed to reach into small areas. - [Voltage Output Current Transformers - Electromagnetic Industries](https://www.weschler.com/product/voltage-output-current-transformers-electromagnetic-industries-2/): These instrument transformers provide a 1VAC full-scale output signal and operate over 50 - 400Hz. - [Split Core Current Transformers, Window 1.42" x 1.53" - Model 604 - GE ITI](https://www.weschler.com/product/model-604-window-1-42-x-1-53-transformers-instrument-transformer-2/): GE ITI Model: 604 Split Core AC Current Transformers; This transformer is high accuracy - low ratio. - [Flex-Core Split Core Current Transformers](https://www.weschler.com/product/flex-core-split-core-current-transformers/): Easy to install by snapping around the current conductor. Leads can be extended with no loss of accuracy. - [Flex-Core Flexible Split-Core CT](https://www.weschler.com/product/flex-core-flexible-split-core-cts/): FlexCore flexible split-core current transformers open with a twisting motion. Silicone rubber encapsulation protects against moisture, dirt, oil and corona. - [Split Core Current Transformers, Window 4.5" x 4.5" - Model 601 - GE ITI](https://www.weschler.com/product/model-601-window-4-5-x-4-5-transformers-instrument-transformer-2/): Available from 400A to 2000A primary and 5A secondary. Window Size: 4.5" x 4.5". 50-400 Hz - [Weatherproof Split Core Transformers, Window 2.7" x 2.75" - Model 606 - GE ITI](https://www.weschler.com/product/model-606-weatherproof-window-2-7-x-2-75-transformers-instrument-transformer-2/): Available from 200A to 1200A primary and 5A secondary. - [Large Size Split Core CT - Model 500 - GE ITI](https://www.weschler.com/product/model-500-large-sizes-instrument-transformer-2/): Designed for assembly to an existing electrical installation without the need for dismantling the primary bus or cables. - [Split Core Current Transformers, Window 2" x 5.5" - Model 600 - GE ITI](https://www.weschler.com/product/model-600-window-2-x-5-5-transformers-instrument-transformer/): GE ITI Model: 600 Split Core AC Current Transformers; This transformer is designed for assembly to an existing electrical installation. - [Weschler Wound Primary Current Transformers](https://www.weschler.com/product/weschler-wound-primary-current-transformers-2/): Model 190X and 20X are auxiliary transformers for use in the secondary of main current transformers to change the ratio for metering applications. - [Split Core Current Transformers, Window 0.8" x 1.95" - Model 613 - GE ITI](https://www.weschler.com/product/model-613-window-0-8-x-1-95-transformers-instrument-transformer-2/): This transformer is designed for assembly to an existing electrical installation without the need for dismantling the primary bus or cables. - [AC Voltage Switchboard Meters - Yokogawa AB40 Replacements](https://www.weschler.com/product/ac-voltage-switchboard-meters-yokogawa-ab40-replacements/): The Yokogawa AB-40 Analog Switchboard Instruments complies with the American ANSI-C39.1 accuracy class 1 specification. - [Weschler Conventional Analog Panel Meters - DC Voltage & Current](https://www.weschler.com/product/weschler-conventional-dc-voltage-current/): Weschler Types 351 and 371 meet all performance requirements of ANSI C39.1-1981 for round and rectangular panel instruments. - [Weschler Conventional Analog Panel Meters - AC Voltage & Current](https://www.weschler.com/product/weschler-conventional-ac-voltage-current/): High Torque To Weight Ratio: Ensures rapid, accurate readings with high damping and minimum frictional effect. Easy To Read Scales. - [Weschler 20/20 Analog Panel Meters - DC Voltage & Current](https://www.weschler.com/product/weschler-20-20-dc-voltage-current/): 20/20 instruments have neat, clean lines which harmonize with highly styled electronic components. They can be properly applied on equipment ranging from a spectrometer to a unit of power switchgear. - [Weschler 20/20 Analog Panel Meters - AC Voltage & Current](https://www.weschler.com/product/weschler-20-20-ac-voltage-current/): 20/20 instruments were designed for maximum readability from a distance. The lance-design pointer in conjunction with the bold dial markings make this instrument the most easily read in its field. - [Electro Industries Advanced Power Transducers - Shark 200T](https://www.weschler.com/product/electro-industries-advanced-power-transducers-shark-200t-series/): Electro Industries Shark® 200 metering system is an ultra-compact power metering device providing industry-leading revenue metering functionality combined with advanced data logging, power quality, communication and I/O traditionally found only in high performance and high-cost systems. - [Electro Industries Advanced Power Meter - Shark 200 Series](https://www.weschler.com/product/electro-industries-advanced-power-meter-shark-200-series/): This product is designed to incorporate advanced features in a cost-effective, small package, for large scale, low-cost deployment within an electrical distribution system. - [Power Factor, Frequency, Synchroscope Meters - Yokogawa AB40 Replacements](https://www.weschler.com/product/power-factor-frequency-synchroscope-meters-yokogawa-ab40-replacements/): The Yokogawa AB-40 Analog Switchboard Instruments. Rugged, durable construction, readable even from sharp angles 1% accuracy class, metal case UL recognition (optional). - [Advanced Cable Locator and Tracer Kit - CLT600 - Extech](https://www.weschler.com/product/advanced-cable-locator-and-tracer-kit-clt600-extech/): The Extech CLT600 is a reliable, easy-to-use tool for detecting electrical power cables, telecommunication cables, and wires in building applications - [Multi-Function Process Calibrator - CA500 Series - Yokogawa](https://www.weschler.com/product/multi-function-process-calibrator-ca500-series-yokogawa/): Featuring useful functions for fieldwork, these multi-function calibrators help you calibrate field instruments with improved source and measurement accuracy. - [DLRO10 Digital Low Resistance Ohmmeters - Megger](https://www.weschler.com/product/dlro-10-digital-low-resistance-ohmmeters-megger/): A fully automatic instrument, selecting the most suitable test current, up to 10 A dc to measure resistance from 0.1 µΩ to 2000 Ω on one of seven ranges. - [AC Ammeters and Voltmeters with Selector Switch – CROMPTON](https://www.weschler.com/product/moving-iron-ac-ammeters-and-voltmeters-din-with-selector-switch-3p3w-3p4w-crompton/): Crompton Instruments moving iron AC ammeter and voltmeter with selector switch. These 96mm and 72mm units offer Class 1.5 true RMS measurement of three-phase AC voltage or current with various switch notation options. - [Clamp-on CL420 Process Meter - Yokogawa](https://www.weschler.com/product/clamp-on-cl420-process-meter-yokogawa/): The Yokogawa CL420 Clamp On Process Meter measures 4 to 20mA DC signals without breaking the loop. Dual Display with Backlight. - [Clamp-on Testers For AC/DC Current - Yokogawa](https://www.weschler.com/product/clamp-on-testers-for-ac-dc-current-yokogawa/): The Yokogawa CL200 Series clamp-on testers are available in five different models to meet various different measurement needs. - [mLine Temperature & RH Controller - KEP](https://www.weschler.com/product/mline-temperature-rh-controller-kep/): The Kessler-Ellis mL-HTC Temperature + Humidity controller is designed for the control of humidity and temperature in industrial processes. - [Ground Leakage Clampmeter - Megger DCM305E](https://www.weschler.com/product/leakage-clampmeter-megger-dcm300e/): The DCM305E is ideal for measuring the ground leakage current in a circuit where the RCD keeps tripping out unexpectedly. - [Digital Clampmeter - Megger DCM340](https://www.weschler.com/product/digital-clampmeter-megger-dcm340/): The Megger DCM340 is a highly versatile instrument and ideal for use in the installation, maintenance, monitoring or checking of a.c. or d.c. electrical systems and equipment. - [CAT IV Analog Clamp Meters - Amprobe](https://www.weschler.com/product/cat-iv-analog-clamp-meters-amprobe/): These CAT IV 600V safety rated analog clamp meters are a great tool for tough electrical applications. Shop Weschler Instruments online. - [Fluke Leakage Clamp Meter 368 FC & 369 FC](https://www.weschler.com/product/fluke-leakage-clamp-meter/): Fluke 368 FC & 369 FC TRMS leakage current clamp meters helps users detect, document, record and compare leakage current readings over time and so much more! - [High Temperature IR Thermometer - Extech](https://www.weschler.com/product/high-temperature-ir-thermometer-extech/): The 42545 is a High Temperature IR Thermometer which measures up to 1832 degrees F (-50 to 1000°C) with 50 to 1 distance to target ratio and laser pointer that identifies target area. - [Thermal Imaging AC/DC Clamp Multimeter - CM174 - Flir / Extech](https://www.weschler.com/product/flir-thermal-imaging-ac-dc-clamp-multimeter/): The FLIR CM174 Imaging 600A AC/DC Clamp Meter with IGM is the first clamp meter equipped with a built-in thermal camera that can quickly lead you to problems you can’t see with a standard clamp meter. - [Yokogawa Power Quality Analyzer](https://www.weschler.com/product/yokogawa-power-quality-analyzer/): Yokogawa CW500 utilizes current clamp-on probes, navigation screens and quick start guides to enable user friendly power consumption and power quality measurements. - [Fluke Handheld MegOhmMeter](https://www.weschler.com/product/handheld-megohmmeter-fluke/): The Fluke 1507 and 1503 megohmmeter/insulation resistance testers, 600V, 0.1MΩ to 2GΩ (1503) and .01MΩ to 10GΩ (1507), are compact, rugged, reliable and easy to use. - [Dual Laser IR Laser Thermometer with Alarms - IR320 - Extech](https://www.weschler.com/product/dual-laser-ir-thermal-scanner-extech/): The Extech IR320 Dual Laser IR Thermometer, 12:1 Waterproof IR Thermometer with High/Low Alarm has a rugged design with Waterproof (IP65) and 9.8ft (3m) drop-proof protection. - [IR Thermometer with Color Alert - IR270 - Extech](https://www.weschler.com/product/pocket-ir-thermometer-extech/): Extech IR270 IR Thermometer with Color Alert is a 12:1 Fast Response IR Thermometer with Wide Temperature Range. ideal for quick checks of multiple spots in a process or for catching spikes in temperature. - [AC/DC 400A TRMS Clamp Meter - EX623 - Extech](https://www.weschler.com/product/model-ex623-clamp-meter-extech/): TRMS AC/DC Clamp Meter that has dual thermocouple inputs for T1, T2, T1-T2 Differential Temperature measurement plus a built-in Infrared Thermometer with laser pointer for locating hot spots and NCV Detector. - [Arc Flash / Overcurrent / Ground Fault Relays - Electromagnetic Industries](https://www.weschler.com/product/arc-flash-overcurrent-ground-fault-relays-electromagnetic-industries/): The AFGF Relay is a combination Arc Flash, Overcurrent and Ground Fault Relay (with fuse conservation) for switchgear and power distribution systems ranging from 400A to 6000A. - [Stylist DC Voltmeters Analog - Yokogawa Replacements](https://www.weschler.com/product/stylist-dc-voltmeters-analog-yokogawa-replacements/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Stylist Series - [Stylist AC Voltage Analog Meters - Yokogawa Replacements](https://www.weschler.com/product/stylist-ac-voltage-analog-meters-yokogawa-replacements/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Stylist Series - [Horizon Line DC Voltmeters Analog - Yokogawa Replacements](https://www.weschler.com/product/horizon-dc-voltmeters-yokogawa/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Horizon Line Series - [Horizon Line AC Voltmeters Analog - Yokogawa Replacements](https://www.weschler.com/product/horizon-ac-voltmeters-yokogawa/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Horizon Line Series - [Big Look DC Voltmeters Analog - Yokogawa Replacements](https://www.weschler.com/product/big-look-dc-voltmeters-yokogawa/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Big Look Series - [Big Look AC Voltmeters Analog - Yokogawa Replacements](https://www.weschler.com/product/big-look-ac-voltmeters-yokogawa/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Big Look Series - [Yokogawa 286 Edgewise Panel Meter - Replacements](https://www.weschler.com/product/yokogawa-286-edgewise-panel-meter-replacements/): The H6286 Series Yogogawa 286 Edgewise Panel Meters are 1-1*2” meters designed to handle applications where panel space is at a premium. - [Yokogawa 185 Edgewise Panel Meter - Replacements](https://www.weschler.com/product/yokogawa-185-edgewise-panel-meter-replacements/): The 685 series of edgewise panel meters are 2 1/2" meters designed to handle applications where panel space is at a premium. - [Yokogawa 180 Series Switchboard Edgewise Meters - Replacements](https://www.weschler.com/product/yokogawa-180-series-switchboard-edgewise-meters/): Horizontal or Vertical Mounting. DC Accuracy ±1.5 Accuracy ±2%. Repeatability ±2% of FS - [Stylist DC Ammeters Analog - Yokogawa Replacements](https://www.weschler.com/product/stylist-dc-ammeters-analog-yokogawa-replacements/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Stylist Series - [Stylist AC Ammeters Analog - Yokogawa Replacements](https://www.weschler.com/product/stylist-ac-ammeters-analog-yokogawa-replacements/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Stylist Series - [Simpson Rugged Seal Analog Meters - 3300 Series](https://www.weschler.com/product/simpson-rugged-seal-analog-meters-3300-series/): The Simpson Rugged Seal Analog Meter 3300 Series panel meter offers a wide variety of DCA, DCV, ACA and ACV applications. - [Horizon Line DC Ammeters Analog - Yokogawa Replacements](https://www.weschler.com/product/horizon-line-dc-ammeters-analog-yokogawa-replacements/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Horizon Line Series - [Horizon Line AC Ammeters Analog - Yokogawa Replacements](https://www.weschler.com/product/horizon-ac-ammeters-yokogawa/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Horizon Line Series - [Big Look DC Current Analog Meters - Yokogawa Replacements](https://www.weschler.com/product/big-look-dc-ammeters-yokogawa/): 1½", 2½", 3½" and 4½" Sizes. Polycarbonate Housing. Surface Mounting IP54 (NEMA 4) Protection. UL/CSA Recognized. - [Big Look AC Ammeters Analog - Yokogawa Replacements](https://www.weschler.com/product/big-look-ac-ammeters-yokogawa/): 1½", 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Big Look Series - [AC Current Analog Switchboard Meters - Weschler](https://www.weschler.com/product/ac-voltage-current-analog-switchboard-meters-weschler/): Type K-241 & 261 instruments are designed to achieve the ultimate in reliability and performance. These instruments are recommended for use on electric utility switchboards and industrial process control panels. - [Trumeter Shunt Meter](https://www.weschler.com/product/trumeter-shunt-meter/): The APM Shunt Panel Meter is a digital panel meter specifically designed to be used in conjunction with a shunt where precise and accurate DC current measurement is required. The APM Shunt Meter measures to an accuracy of 0.1% of the signal or 0.5mV (whichever is greater). The APM Shunt Meter is ideal for DC - [Trumeter CT Meter](https://www.weschler.com/product/trumeter-ct-meter/): The APM CT Meter completes the range alongside the Amp Meter and Shunt Meter, enabling all types of accurate current measurement to now be available. When used with an external current transformer, it is possible to accurately measure up to 10,000 amps, whilst providing a range of features including set-points and dynamic backlighting, which have - [SM Series 3-Wire DC Input - Texmate](https://www.weschler.com/product/sm-series-3-wire-dc-input-texmate/): Texmate SM series are a multirange, 3-1/2 Digit 0.56” LED in a slim bezel case digital panel meter. Multirange 2V, 20V &200V DC easily-scaled 5V DC powered meter with a screw terminal or edge connector inputs. The SM-Series meters have LCD or LED displays and offer many unique features designed to simplify installation, calibration and - [Lynx Family Intelligent Panel Meters - Texmate](https://www.weschler.com/product/lynx-family-intelligent-panel-meters-texmate/): Texmate Lynx series digital meters are versatile series of digital panel meters for monitoring and measurement applications, standard 0.56 inch LED and a large 0.8 inch LED display in 3.5 ,4 and 4.5 digit format come with red, green or super bright red LED’s. Plug-in Input Signal Conditioners (include AC/DC Current, AC/DC Voltage, Load Cell, - [Electro Industries Utility Billing Meter - Nexus series](https://www.weschler.com/product/electro-industries-utility-billing-meter/): The Nexus® 1262/1272 meters are designed for demanding smart grid and intelligent substation applications. They provide one of the most profound analyses of electricity available in a socket form revenue meter. The units offer extensive advanced monitoring features to meet the most critical power monitoring requirements. Using advanced DSP technology, the Nexus® meters provide immediate - [N30H Digital DC Volt / Amp Meter - Sifam Tinsley](https://www.weschler.com/product/n30h-digital-dc-volt-amp-meter-sifam-tinsley/): The Sifam Tinsley N30H series measure DC Current and Voltage up to 5 A and 600 V. They have a 5-digit three-color LED display (14 mm high), programmed in three intervals of the measured value. Meter programming is from the keyboard or through the RS-485 interface by means of the free delivered LPConfigprogram. They have - [Yokogawa Dual Display Process Meters - PROPLUS YPP6000](https://www.weschler.com/product/yokogawa-dual-display-process-meters/): The Yokogawa PROPLUS YPP6000 meter boasts specifications and functionality that clearly make it one of the most advanced process meters available. Its dual-line 6-digit display (999,999), advanced signal input conditioning functions, function keys, Modbus RTU serial communications, and optional expansion modules are only a few of the features available. The PROPLUS YPP6000 has a rather - [Trumeter Process Meter - APM-PROC Series](https://www.weschler.com/product/trumeter-process-meter-apm-proc-series/): This process meter allows non-linear sensors such as thermocouples and pressure transducers to be used to their maximum potential. - [Lascar PanelPilot Multi-Function Graphics Meters - 2.4-3.5"](https://www.weschler.com/product/lascar-panelpilot-multi-function-graphics-meters-2-4-3-5/): The Panel Pilot Series is a family of color TFT 320 x 240 pixel graphics meters that users can program to display a variety of meter styles. Available in 2.4", 2.8" and 3.5" sizes, the meters are programmable via USB interface with free Windows-based configuration software. Users can select the type of meter style they - [CUB5 Digital Panel Meters - Red Lion](https://www.weschler.com/product/cub5-digital-panel-meters-red-lion/): Red Lion's CUB®5 is the ultimate in panel meter flexibility, from its complete user programming to the optional setpoint control and communication capability. The meter can also be programmed as a single or dual setpoint control. Communication option cards include RS-232, RS-485, and USB. The CUB5 series features a five or eight digit reflective LCD - [Big Look, Horizon & Stylist AC Frequency Meters - Yokogawa Replacements](https://www.weschler.com/product/big-look-horizon-stylist-ac-frequency-meters-yokogawa-replacements/): 2½", 3½" and 4½" Sizes Polycarbonate Housing Surface Mounting IP54 (NEMA 4) Protection UL/CSA Recognized Call for Direct Replacement of Yokogawa Big Look, Horizon Line & Stylist Series - [Yokogawa Dual Display Temperature Meters - PROPLUS YPP7000](https://www.weschler.com/product/yokogawa-dual-display-temperature-meters/): The PROPLUS YPP7000 meter boasts specifications and functionality that clearly makes it one of the most advanced temperature meters available. Its dual-line 6-character display, function keys, and optional expansion modules are only a few of the features you will find on the YPP7000. It accepts many thermocouple types and RTDs. It can be configured to - [On/Off Temperature Control - KEP](https://www.weschler.com/product/on-off-temperature-control-kep/): The Kessler-Ellis mL-OTC2 series temperature controllers are designed for measuring and controlling temperature. - [N30U Digital Temperature & Process Meter - Sifam Tinsley](https://www.weschler.com/product/n30u-digital-temperature-process-meter-sifam-tinsley/): The Sifam Tinsley N30U series measure temperature, resistance, standard signals. They have a 5-digit three-color LED display (14 mm high), programmed in three intervals of the measured value. Meter programming is from the keyboard or through the RS-485 interface by means of the free delivered LPConfigprogram. They have four alarm outputs with signaling by LED - [mLine 8 Channel Scanner with Relays – KEP](https://www.weschler.com/product/mline-10-channel-scanner-with-relays-kep/): The mL-CS8A series 8 channel analog scanners are designed for measuring and communicating process values. They can be used in many applications. - [M235/M245 Mini-Max Digital Panel Meters - Simpson](https://www.weschler.com/product/m235-m245-led-digital-panel-meters-simpson/): The Simpson Mini-Max digital panel meters provide high quality accuracy and reliability in a compact, 60 mm deep case. The Mini-Max series is available with a LCD or LED display. The LCD units offer a 3-1/2 digit, 0.5" (12.7 mm) display with an optional bright red, negative image backlight. The LED units offer a 3 - [F35/F45 Falcon Digital Panel Meters - Simpson](https://www.weschler.com/product/f35-f45-led-digital-panel-meters-simpson/): The Simpson Falcon Series digital panel meters are premium quality 1/8-DIN meters for industrial applications. All Falcon units feature selectable decimal point from the terminal block and display scaling, providing wide application flexibility. In addition, most signal input ranges are easy to change with jumpers on the main board. The Falcon has a 0.56" bright - [Yokogawa Dual Display AC/DC Meters - PROPLUS YPP6400](https://www.weschler.com/product/yokogawa-dual-display-ac-dc-meters/): The Yokogawa PROPLUS® YPP6400 is a multipurpose, easy to use high voltage and current input meter ideal for measuring direct voltage and current or the output from voltage shunts and current transformers. It has one 0-300 VAC or VDC voltage input and one 0-5 AAC or ADC current input. The meter may be used with - [N30P Digital Power Meter - Sifam Tinsley](https://www.weschler.com/product/n30p-digital-power-meter-sifam-tinsley/): The Sifam Tinsley N30P series measure single-phase network parameters: voltage, current, active, reactive and apparent power, COSØ. tgØ, frequency, active, reactive and apparent energy. They have a 5-digit three-color LED display (14 mm high), programmed in three intervals of the measured value. Meter programming is from the keyboard or through the RS-485 interface by means - [Integra 1630 Digital Metering System - Crompton](https://www.weschler.com/product/integra-1630-digital-metering-system-crompton/): Crompton Integra 1630 digital metering system provides high accuracy 0.2% measurement, display and communication of all major electrical and power quality parameters including total harmonic distortion (THD) measurement up to the 31st harmonic. To suit multiple applications, the INT1630 measures single-phase, three-phase-three-wire and three-phase four-wire circuits, all selectable at the point of installation. 35 Measured - [Electro Industries Power Meter - Shark 100 series](https://www.weschler.com/product/electro-industries-power-meter/): Electro Industries introduces one of the industry’s highest performance revenue grade panel meters. Based on an all new platform, this low cost meter significantly outperforms other devices many times its price. This unit is perfect for new metering applications and as a simple replacement of existing analog meters. The Shark® meter excels in metering energy - [Crompton DIN-Rail Power & Energy Meter](https://www.weschler.com/product/crompton-din-rail-power-energy-meter/): Crompton Integra Ri3 DIN-Rail Multifunction Energy Meter The Integra Ri3 digital metering system (dms) represents the first model of a new generation of instruments designed to complement the current Crompton Instruments Integra series. The Integra Ri3 dms is an accurate and cost effective solution for measurement and display of all major electrical and power quality - [Accuenergy 240 Series DC Power Meters](https://www.weschler.com/product/accuenergy-240-series-dc-power-meters/): The Accuenergy AcuDC 240 are compact, multifunction DC power and energy meters that are ideal for monitoring and controlling DC systems. These meters can measure a wide range of parameters such as DC voltage, DC current, DC power and DC energy. Parameters are shown on the brilliant 3 line black backlight LCD display or via - [Integra 1222 Digital Metering System - Crompton](https://www.weschler.com/product/integra-1222-digital-metering-system-crompton/): The Integra 1222 from Crompton Instruments is a powerful electricity system analyzer. It is built with all of the tools that you will need. - [TC10 Temperature Controller - Yokogawa](https://www.weschler.com/product/tc10-temperature-controller-yokogawa/): The Yokogawa TC10 is an all-in-one, single loop temperature controller with an easy-to-read, 3-color LED display. The shallow depth of the controller helps to save instrument panel space. - [Non-Contact AC Voltage Detector - TIC 300 PRO - Amprobe](https://www.weschler.com/product/non-contact-ac-voltage-detector-amprobe/): MSHA certified and intrinsically safe, the Amprobe TIC 300 PRO High Voltage Detector with VolTect™ alert is a rugged, reliable, non-contact, high voltage tester for utility, industrial, and mine safety applications up to 122kV. - [Insulation Resistance Testers - MIT515, MIT525, MIT1025, MIT1525 5kV-15kV - Megger](https://www.weschler.com/product/mit515-mit525-mit1025-mit1525-5kv-10kv-15kv-insulation-resistance-testers-megger/): These instruments are designed based on Megger’s extensive knowledge of insulation testing (100+ years of experience) and significant feedback from actual end users. - [Dual Display TRMS Clamp Multimeter ACD-14-PRO - Amprobe](https://www.weschler.com/product/dual-display-trms-clamp-multimeter-acd-14-pro-amprobe/): This rugged and reliable TRMS clamp multimeter is designed for professional electrician and technician that need a fast responding, feature-packed, go-to clamp meter - [Large AC Current Sensing Switches - ASXP-MS & ASXP-LS Series - NK Technologies](https://www.weschler.com/product/nk-technologies-large-ac-current-sensing-switches-asxp-ms-asxp-ls-series-2/): The NK Technologies ASXP-MS and ASXP-LS Series Current Switches combine a current transformer and signal conditioner into a single package. - [DC Current Transducers - Large Solid Core DT-DL Series - NK Technologies](https://www.weschler.com/product/nk-technologies-dc-current-transducers-large-solid-core-dt-dl-series/): DT Series, Large Aperture DC Current Transducers combine a Hall effect sensor and signal conditioner into a single package for use in DC current applications up to 1200 A. - [DC Current Transducers - HV / Solid Core DT-FD Series - NK Technologies](https://www.weschler.com/product/nk-technologies-dc-current-transducers-solid-core-hv-dt-fd-series/): DT-FD series DC Current Transducers provide a large sensing window and the ability to monitor circuits with voltages up to 1500 VDC. - [Theta M Power & Energy Transducer - Sifam Tinsley](https://www.weschler.com/product/theta-m-programmable-multi-transducer-power-energy-sifam-tinsley/): The Sifam Tinsley Theta-M transducer is used to measure and convert parameters of three-phase 3 and 4 wire power networks with either balanced or unbalanced loads. The Theta-M will convert measured values into standard analog current signals. Relay outputs signal the overflow of the selected quantities, and the pulse output can be used for the - [Lascar PanelPilot Touchscreen Graphical Display Meters - 4.3-7"](https://www.weschler.com/product/lascar-panelpilot-touchscreen-graphical-display-meters-4-3-7/): The Lascar SGD series capacitive touch displays are designed for use with PanelPilotACE Design Studio, a free drag-and-drop style software package for rapid development of advanced user interfaces and panel meters. The low-profile display features a capacitive touch screen and a dual-core ARM processor running embedded Linux. The display can be powered from a 5 - [Weschler Nuclear Qualified Analog Meters](https://www.weschler.com/product/weschler-nuclear-qualified-analog-meters/): Weschler Nuclear Qualified Analog Switchboard Meters meet all national nuclear standards for environmental, temperature and humidity extremes, seismic vibration and human factors. - [TC10-L Temperature Limit Controller - Yokogawa](https://www.weschler.com/product/tc10-l-temperature-limit-controller-yokogawa/): The Yokogawa TC10-L is an all-in-one, FM approved limit controller with an easy-to-read, 3-color LED display. - [200A AC/DC Mini Clamp Plus MultiMeter - Extech](https://www.weschler.com/product/200a-ac-dc-mini-clamp-plus-multimeter-extech/): The Extech 380941 is a 200 Amp mini AC/DC clamp meter with a small diameter jaw designed to reach in small areas while providing 10mA resolution (DC) and very low-current sensitivity. - [Fluke Infrared Thermometers 62 Max Series](https://www.weschler.com/product/fluke-infrared-thermometers/): The new 62 Max and 62 Max+ infrared thermometers are designed to withstand the harsh conditions faced by technicians in a range of applications. - [MIT200 Series Compact Insulation Resistance Testers - Megger](https://www.weschler.com/product/mit200-series-compact-insulation-resistance-testers-megger/): Megger MIT200 series of insulation and continuity testers are ideal for testing transformers, motors, generators, switchgear, instrument panels, etc - [mLine Multi-Function Counters / Timers - KEP](https://www.weschler.com/product/mline-multi-function-counters-timers-kep/): The KEP mL-MFU Series Programmable Timers can be used in package machines, production and quality control rollers and in cutting and processing machines. - [Temperature & RH Transmitter - KEP](https://www.weschler.com/product/temperature-rh-transmitter-kep/): Kessler-Ellis model mL-HSW Temperature & Relative Humidity Transmitter features combination temperature and relative humidity sensor. - [MY600 Digital Insulation Tester - Yokogawa](https://www.weschler.com/product/2406e-series-of-analog-insulation-tester-yokogawa/): The MY600 Digital Insulation Tester has enhanced operation compared to the conventional model, by using a shortened measurement time and color indicating judging function. - [BM5200 5kV Insulation Resistance Tester - Megger](https://www.weschler.com/product/bm5200-5kv-insulation-resistance-tester-megger/): The Megger BM5200 tester is a battery-powered instrument with digital and analog arc display, designed for high voltage insulation resistance testing in the maintenance and servicing of cables, rotating plant machinery, transformers, switchgear and industrial installations. - [Four-Terminal Ground Resistance Testers - Megger](https://www.weschler.com/product/four-terminal-ground-resistance-testers-megger/): The new DET4TD2 offers the same features as the DET3TD, but with 4-terminal capability and a 20kohm upper resistance limit. - [Battery Powered Milliohm Meters - Extech](https://www.weschler.com/product/battery-powered-milliohm-meters-extech/): The Extech 380580 is a Battery Powered Milliohm Meter. This milliohm meter features high accuracy, a high resolution, portable milliohm meter battery operated for field use, four-terminal Kelvin measurements, and Over-temperature and over-voltage protection. CE certified. Complete with 8AA batteries, and 2 sets of test leads (4 wire with 4 alligator clips and 4 wire - [Yokogawa Digital Earth Resistance Tester](https://www.weschler.com/product/yokogawa-digital-earth-resistance-tester/): The Yokogawa EY200 is a digital earth resistance tester for testing power distribution lines, in-house wiring systems, electrical appliances etc. - [Three-Terminal Ground Resistance Testers - Megger](https://www.weschler.com/product/three-terminal-ground-resistance-testers-megger/): The MEGGER® DET3TD is a digital tester with an expanded resistance range and selectable 25/50V test voltage. It rejects noise up to 40V p-p and measures earth voltages up to 100V. - [DLRO10HD Digital Low Resistance Ohmmeters - Megger](https://www.weschler.com/product/dlro10hd-digital-low-resistance-ohmmeters-megger/): Equally at home in the laboratory, the workshop or in the field, on the bench or on the ground, The heavy-duty Megger Ducter™ DLRO10HD low resistance ohmmeter combines rugged construction with accuracy and ease of use. - [PIE Multifunction Calibrator](https://www.weschler.com/product/pie-multifunction-calibrator/): The rugged PIECAL 820 combines the functions of RTD, thermocouple, process voltage & loop calibrators in one handheld instrument. It will also source and measure resistance to 4kohms and frequency to 20kHz. - [Megger High Current Loop Tester](https://www.weschler.com/product/megger-high-current-loop-tester/): The LT300 offers high current loop testing over a wide range of frequencies and supply voltages with the simple, fast, two-wire operation. - [CA330 - RTD Calibrator - Yokogawa](https://www.weschler.com/product/ca330-rtd-calibrator-yokogawa/): The CA330 is a dedicated calibrator for performing inspections and calibrations of 14 RTD types. Its high accuracy of ±0.3℃ error is top in class. - [DC Voltage / Current Calibrator - PRC15 - Extech](https://www.weschler.com/product/extech-prc15-voltage-current-calibrator/): he Extech PRC15 is a precision 0-20 VDC, 0-24mADC "source” for process device calibration & simulation. - [Fluke 715 Volt/mA Calibrator](https://www.weschler.com/product/fluke-715-volt-ma-calibrator/): The Fluke 715 Volt/mA Calibrator delivers outstanding performance, durability and reliability. Offered in the rugged Fluke 80 Series DMM package, the calibrator is compact, lightweight and easy to carry. With a push-button interface similar to the multifunction Fluke 740 Series. Documenting Process Calibrators, the 715 is easy to use. It is EMI tolerant, dust/splash resistant - [CA310 - Voltage / Current Calibrator - Yokogawa](https://www.weschler.com/product/ca310-voltage-current-calibrator-yokogawa/): The CA310 is a dedicated process calibrator which is capable of performing a control loop check and inspection of devices. It has three times higher accuracy of ±0.015% rdg. to source and measure mA and voltage. - [CA320 - Thermocouple Calibrator - Yokogawa](https://www.weschler.com/product/ca320-thermocouple-calibrator-yokogawa/): The CA320 is a dedicated calibrator for performing inspections and calibrations of 16 thermocouple types. Its high accuracy of ±0.5℃ error is top class, to source a thermocouple output and measure a thermocouple sensor. The CA300 Series are high accuracy source/measure handheld calibrators used to inspect and maintain the accuracy of control devices such as - [Fluke 712B RTD Calibrator](https://www.weschler.com/product/fluke-712b-rtd-calibrator/): The new Fluke 712B is designed for both simplicity-ease of use and high accuracy. Measures and simulates 13 different RTD types. - [Fluke 705 Loop Calibrator](https://www.weschler.com/product/fluke-705-loop-calibrator/): The Fluke 705 Loop Calibrator is a cost-effective, integrated solution for calibration, repair and maintenance of current loops. - [Fluke 707 Loop Calibrator](https://www.weschler.com/product/fluke-707-loop-calibrator/): The Fluke 707 Loop Calibrator, 0-20V, .015% accuracy, is a high-performance solution for calibration, repair and maintenance of current loops. - [TX10 Series of Digital Thermometers - Yokogawa](https://www.weschler.com/product/tx10-series-of-digital-thermometers-yokogawa/): These digital thermometers are easy-to-use and require simply setting the unit to the thermocouple type before taking measurements. - [Contact/Laser Photo Tachometer - Extech](https://www.weschler.com/product/contact-laser-photo-tachometer-extech/): Extech 461995: Combination Contact and Non-contact rpm measurements with a laser. This Tachometer provides both contact (0. 5 to 19,999 RPM) and non-contact (10 to 99,999 RPM) RPM measurement functions for use in virtually all applications. Laser-guided non-contact measurements up to 6.5 ft. (2 meter) away for added safety and convenience. Comes with wheels for linear - [Handy Multifunction Calibrator CA71 - Yokogawa](https://www.weschler.com/product/handy-multifunction-calibrator-ca71/): The Handy Calibrator incorporates rotary switches for simple handling. Just open the carrying case cover and connect the cables! - [Megger Clamp-On Ground Resistance Testers](https://www.weschler.com/product/megger-clamp-on-ground-resistance-testers/): The DET14C and DET24C represent a new generation of earth/ground clamp-on ground resistance testers. Easy, fast clamp-on operation – No rods or cables necessary. - [Fluke 714B Thermocouple Calibrator](https://www.weschler.com/product/fluke-714b-thermocouple-calibrator/): The new Fluke 714B thermocouple calibrator is designed for both simplicity-ease of use and high accuracy. High accuracy for temperature calibration. - [DLRO200 Digital Low Resistance Ohmmeters - Megger](https://www.weschler.com/product/dlro200-digital-low-resistance-ohmmeters-megger/): This versatile instrument can provide test currents from 10 amps up to 200 amps subject to the load resistance and supply voltage. A large LCD displays all test parameters and measurement results. - [Thermocouple Calibrator - PRC20 - Extech](https://www.weschler.com/product/extech-prc20-thermocouple-calibrator/): The Extech PRC20 Thermocouple Calibrator is a precision multi-thermocouple source/measure calibrator. The PRC20 sources and measures eight thermocouple type devices (J, K, T, E, C, R, S and N) and provides precision output displayed as Centigrade/Fahrenheit or mV. It has five user adjustable calibration presets and a Type K temperature range of -58 to 2498 - [Amprobe Combo Tachometer - TACH20](https://www.weschler.com/product/amprobe-combo-tachometer/): The Amprobe TACH20 hand-held tachometer accurately measures rotational or surface speed as well as length. It comes with a large LCD display that allows the user to easily read the measurement. - [Heavy Duty Light Meter with PC Interface - 407026 - Extech](https://www.weschler.com/product/model-407026-heavy-duty-light-meter-with-pc-interface-extech/): The Extech 407026 is a Heavy Duty Light Meter that has four lighting type settings: Tungsten/Daylight, Fluorescent, Sodium, and Mercury and a PC interface. - [Wide Range Light Meter - EA30 - Extech](https://www.weschler.com/product/model-ea30-wide-range-light-meter-extech/): The Extech EA30 (40,000Fc/400,000Lux) and EA31 (20,000Fc/200,000Lux) EasyView™ Wide Range Light Meters deliver High intensity light measurements. - [Pocket Light Meter - LT505 - Extech](https://www.weschler.com/product/model-ea31-easyview-big-digit-light-meter-extech/): Ideal for indoor lighting tests and for checking security and safety illumination in parking garages, night time ATM areas, stairwells, landings, and hallways. - [Psychrometer - Amprobe](https://www.weschler.com/product/psychrometer-amprobe/): The THWD-5 Relative Humidity and Temperature Meter with wet bulb and dew point is a microprocessor-based psychrometer is designed for HVAC and plant maintenance engineers and technicians. - [Hand-Held TDR - Megger TDR500/3](https://www.weschler.com/product/hand-held-tdr-megger-tdr500-3/): The Megger TDR500/3 is a handheld, compact time domain reflectometer for locating faults on metallic cables. It has a minimum resolution of 0.1 m and a 5 km maximum range depending on the velocity factor selected and cable type. Four output impedances are available (25, 50, 75, and 100 Ω) and a velocity factor between - [Dual Cursor Hand-Held TDR - Megger CFL510G](https://www.weschler.com/product/dual-cursor-hand-held-tdr-megger-cfl510g/): The Megger CFL510G is a handheld, compact Time Domain Reflectometer for locating faults on metallic cables. - [Amprobe Contact and Non-Contact Tachometer - TACH10](https://www.weschler.com/product/amprobe-tach10-contact-and-non-contact-tachometer/): The Amprobe TACH10 is a universal, economical tachometer measuring rotational or surface speed either in contact or non-contact way. - [Sound Level Meters - Extech](https://www.weschler.com/product/extech-sound-level-meters/): The Extech 407732 Low/High Range Sound Level Meter is a dual-range type 2 digital sound level meter with backlit LCD. - [2793 Decade Resistance Boxes - Yokogawa](https://www.weschler.com/product/2793-decade-resistance-boxes-yokogawa/): The Model 279301 Decade Resistance Box is best suited for calibration of resistance thermometers or bridges. Learn more here. - [2786 Decade Resistance Boxes - Yokogawa](https://www.weschler.com/product/2786-decade-resistance-boxes-yokogawa/): These decade resistance boxes are used in combination with voltage or current standards to adjust voltage or current, as dummy load resistances or as an arm of AC bridges. - [Analog Phasing Voltmeters - Bierer Meters](https://www.weschler.com/product/analog-phasing-voltmeters-bierer-meters/): Bierer analog voltmeters are used for voltage sensing and phasing on overhead and underground systems to 35kV. They are also suitable for voltage sensing and phasing at capacitive test points. A 5-position switch selects the function. The meter probe can also be used as a stand-alone voltage detector without the second probe. Both probes are - [Digital Phasing Voltmeters - Bierer Meters](https://www.weschler.com/product/digital-phasing-voltmeters-bierer-meters/): These conventional type phasing voltmeters are rated for overhead and URD systems to 50kV phase to phase. - [Wireless Digital Phasing Testers - Bierer Meters](https://www.weschler.com/product/wireless-digital-phasing-testers-bierer-meters/): The PD800W Cordless Digital Phasing Testers accurately and easily operate in multiple applications including phasing, voltage detection, phase sequencing and phase angle indication. - [Analog Voltage Detectors - Bierer Meters](https://www.weschler.com/product/analog-voltage-detectors-bierer-meters/): Bierer analog voltage detectors for direct contact, proximity and capacitive high voltages from 40kv to 450kv. - [Digital Voltage Detectors - Bierer Meters](https://www.weschler.com/product/digital-voltage-detectors-bierer-meters/): The VD1000 Digital Voltage Detector is designed to easily indicate AC voltage on underground primary, overhead primary and transmission conductors up to 999 kV. The large digital display can be seen and read at distances up to 50’. The unit is perfect for large system voltages from 4kV to 765kV Phase to Phase. Large 3 - [Thermocouple Datalogger - EA15 - Extech](https://www.weschler.com/product/thermocouple-datalogger-ea15-extech/): The Extech EA15: EasyView™ Dual Input Temperature Datalogger is compatible with 7 types of thermocouples. - [Sound Level Monitor - SL130W - Extech](https://www.weschler.com/product/sound-level-monitor-extech/): The Extech SL130W Sound Level Alert with Alarm is a 30-130dB Meter with built-in under/over-range LEDs indicators. Learn more here. - [USB Sound Level Datalogger - Extech](https://www.weschler.com/product/extech-usb-sound-level-datalogger/): The Extech 407760 USB sound level data logger has a 30 to 130 dB range with data logging capability up to 129,920 records. - [Voltage Indicators - Bierer Meters](https://www.weschler.com/product/voltage-indicators-bierer-meters/): Bierer Meters offer a variety of voltage indicators customized to suit the needs of your measuring requirements. Shop voltage meters from Weschler. - [Yokogawa Paperless Portable Recorders - Data Acquisition GP Series](https://www.weschler.com/product/gp10-data-acquisition-unit-portable-5-7-display-yokogawa/): These recorders include a touch screen display and smart user interface to capture & save waveforms, output image files, scroll through data, review historical trends, display digital values and more. - [Ultrasonic Thickness Gauges - Extech](https://www.weschler.com/product/extech-ultrasonic-thickness-gauges/): Extech TKG series are a Digital Ultrasonic Thickness Gauge/Data Logger for non-destructive thickness measurements of primarily steel structures. - [Dual Input TRMS AC Voltage / Current Datalogger - Extech](https://www.weschler.com/product/extech-trms-data-logger/): Simultaneously data log 2 channels of up to 256,000 readings of TRMS AC Voltage (600V) or Current (200A) or one AC Voltage and one AC Current input with a user-programmable sample rate from 1 second to 24 hours. - [Battery Capacity Tester - BT100 - Extech](https://www.weschler.com/product/battery-capacity-tester-extech/): The Extech BT100 is a Battery Capacity Tester. The product can be used to test the condition of batteries quickly and easily. - [KAL-DTIME 8 Digit Electronic Timer - Trumeter / KEP](https://www.weschler.com/product/kal-dtime-8-digit-electronic-timer-trumeter-kep/): The KAL-DTIME timers are small, lithium battery-powered, timers that are panel mounted. The timers are designed as replacements for standard electromechanical timers. - [Veris Current Switch & Relays](https://www.weschler.com/product/veris-current-switch-relay/): Hawkeye Relay Combination Series voltage output current switches are the ideal solution for the automation installer. - [PAX Lite Counter/Rate Meters - Red Lion](https://www.weschler.com/product/pax-lite-counter-rate-meters-red-lion/): The PAX® Lite Counter is a versatile totalizing counter that can be adapted to a wide variety of counting, measuring, and positioning readout applications. - [Multifunction Calibrator - PRC30 - Extech](https://www.weschler.com/product/extech-prc30-multifunction-calibator/): Extech PRC30 Multifunction Process Calibrator is a precision current, voltage & thermocouple source/measure calibrator. - [Voltage & Current Calibrator / Meter - Extech](https://www.weschler.com/product/extech-voltage-current-calibrator-meter-2/): The Extech 412355A is a Current and Voltage Calibrator and Meter. Precision "source" for calibrating process devices and measuring DC process signals from 0 to 24 mA. - [PIE Temperature Calibrators](https://www.weschler.com/product/pie-temperature-calibrators/): PIE helps you simplify your job with calibrators that are technician friendly. They are compact, easy to learn, simple to setup with industry leading accuracy. - [Megger Multifunction Wiring Tester](https://www.weschler.com/product/megger-multifunction-wiring-tester/): The MFT70 Multifunction Tester is designed for testing low voltage electrical installations to fulfill the requirements of NFPA70 and the National Electrical Code. It provides all the tests required to complete the necessary electrical certification for industrial, commercial and domestic fixed wiring installations, including: System voltage and frequency measurement (TRMS) Insulation test at 100 V, - [Fuji Valve Controllers - PXF Series](https://www.weschler.com/product/fuji-valve-controllers-pxf-series/): Equipped with multiple input & output options as well as sophisticated control functions. Use any input among RTD, thermocouples, voltage, current, and mV. - [West Temperature Controllers](https://www.weschler.com/product/west-temperature-controllers-2/): The CAL temperature controllers are designed to be easy-to-use and reliable within the most demanding process and manufacturing applications. - [3 Channel Dataloggers - Extech](https://www.weschler.com/product/extech-3-channel-dataloggers/): Extech’s SD900 3 Channel Dataloggers allow technicians to easily monitor and record DC mA values from 3 external sensors, transducers, and other sources using one meter. - [Extech Digital Oscilloscope - MS420](https://www.weschler.com/product/extech-digital-oscilloscope/): Extech's MS420 is a Dual channel 20MHz Oscilloscope with 3.8" color LCD display. It offers a range of capabilities for effective troubleshooting of electronically controlled systems. With 20 MHz bandwidth and conveniences like auto-set which optimizes the position, range, timebase, and triggering to assure a stable display of virtually any waveform, the MS420 can be used - [Yokogawa Juxta Signal Conditioners](https://www.weschler.com/product/yokogawa-juxta-signal-conditioners/): Juxta F Series signal conditioners are compact, space-saving (24 mm width) signal conditioners with front panel terminals. - [Flex-Core AC Power Transducers](https://www.weschler.com/product/flex-core-ac-power-transducers/): These FlexCore AC Watt, VAR or Watt/VAR transducers measure AC power in 1, 2, 2½, or 3 element system configurations. - [Megger Transformer Ohmmeter MTO106 Series](https://www.weschler.com/product/megger-transformer-ohmmeter-mto106-series/): The MTO106 transformer ohmmeter is an easy-to-use instrument for safe and accurate measurement of winding resistance in distribution transformers, reactors, instrument transformers, motors, and generators. - [Megger Cable Phasing Meter](https://www.weschler.com/product/megger-cable-phasing-meter/): The Model 830220-1 Cable Phasing Meter offers a safe and quick method of measuring voltage and determining phase rotation of underground distribution systems using the capacitance test point of elbow connectors. - [Megger Phase Sequence Tester PSI-700A](https://www.weschler.com/product/megger-phase-sequence-tester/): The Megger PSI-700A is a rugged, lightweight instrument used to determine the phase sequence or phase rotation of a three-phase system. - [DC to DC Splitter / Isolator / Transmitter - API](https://www.weschler.com/product/dc-to-dc-splitter-isolator-transmitter-api/): The APD4930 IsoSplitter accepts a DC voltage or current input and provides two optically isolated DC voltage or current outputs that are linearly related to the input. - [Current Sensing Switches - AS3 Series - NK Technologies](https://www.weschler.com/product/current-sensing-switches-as3-series-nk-tech/): AS3 Series Current Sensing Switches provide the same dependable indication of status offered by the AS1, but with the added benefit of increased setpoint accuracy. ## Representatives - [M. R. Franceschini](https://www.weschler.com/representative/m-r-franceschini/) - [Roynon Electrical Products Co.](https://www.weschler.com/representative/roynon-electrical-products-co/) - [RBI Solutions](https://www.weschler.com/representative/rbi-solutions/) - [CSI Utility Sales](https://www.weschler.com/representative/csi-utility-sales/) - [Criterion Industrial Solutions](https://www.weschler.com/representative/criterion-industrial-solutions/) - [Criterion Controls](https://www.weschler.com/representative/criterion-controls/) - [Clipper Controls](https://www.weschler.com/representative/clipper-controls/) - [Cavcon Systems](https://www.weschler.com/representative/cavcon-systems/) - [Anderson Controls Inc](https://www.weschler.com/representative/anderson-controls-inc/) - [Anderson Controls](https://www.weschler.com/representative/anderson-controls/) - [Weschler Instruments](https://www.weschler.com/representative/weschler-instruments/) ## Product categories - [Power & Energy Management](https://www.weschler.com/product-category/power-energy-management/) - [Measurement & Control Accessories](https://www.weschler.com/product-category/other/) - [Process Control](https://www.weschler.com/product-category/process-control/) - [Signal Conditioners](https://www.weschler.com/product-category/signal-conditioners/) - [Test Equipment](https://www.weschler.com/product-category/test-equipment/) - [Panel Meters](https://www.weschler.com/product-category/panel-meters/): Analog, digital and bargraph meters, including switchboard meters, power meters, meter relays, and controllers. These products measure voltage, current, frequency, temperature, elapsed time, RPM, energy, plus many other power and process signals. - [Instrument Transformers](https://www.weschler.com/product-category/instrument-transformers/): These instrument transformers reduce a high current or voltage to an easily measured level. - [Weschler Products](https://www.weschler.com/product-category/weschler-products/): Weschler product lines include digital bargraph meters, power meters, analog meters, and specialized transformer monitors. A variety of sizes, styles and configurations are available to fit most applications. - [Sensors / Transducers](https://www.weschler.com/product-category/sensors-transducers/): These products convert a physical or electrical parameter into an electrical signal that is easily measured or transmitted. - [Voltage (Potential) Transformers](https://www.weschler.com/product-category/instrument-transformers/voltage-transformers/): These voltage transformers step down system voltages to a level that is easily measured by digital or analog meters. - [Clocks](https://www.weschler.com/product-category/other/clocks/) - [Current Transformers](https://www.weschler.com/product-category/instrument-transformers/current-transformers/): Used to measure AC current, with either an isolated AC current or AC voltage output. Application Info - [Enclosures](https://www.weschler.com/product-category/other/enclosures/) - [Custom Assemblies](https://www.weschler.com/product-category/other/custom-assemblies/) - [Data Converters](https://www.weschler.com/product-category/other/data-converters/) - [Power Supplies](https://www.weschler.com/product-category/other/power-supplies/) - [Explosion-Proof](https://www.weschler.com/product-category/other/explosion-proof/) - [Relays](https://www.weschler.com/product-category/other/relays/) - [Switches](https://www.weschler.com/product-category/other/switches/) - [Ammeters](https://www.weschler.com/product-category/panel-meters/ammeters/): These analog, digital and bargraph meters measure DC or AC currents. Sensitive models are often described as a microammeter or milliammeter. Self-contained analog units typically are available up to 10 amps. Use transformer compatible models for higher AC current levels; shunt rated models for higher DC currents. - [Wi-Fi/Wireless](https://www.weschler.com/product-category/other/wifi-wireless/): This category lists primarily products with Bluetooth capability, but also includes models with Wi-Fi and other methods of wireless communication. - [Bargraph Meters](https://www.weschler.com/product-category/panel-meters/bargraph-meters/): Bargraph meters provide a bright, easy to read display of current, voltage, power or other process parameters. Most models include a digital readout in addition to the bar display. Visible setpoints quickly show process status. Optional relay outputs are available for alarms and control. - [Analog Panel Meters](https://www.weschler.com/product-category/panel-meters/analog-panel-meters/): This category includes rectangular, round, DIN and edgewise styles. For meters that fit standard ANSI panel cutouts, see the Switchboard Meters category. - [Controllers](https://www.weschler.com/product-category/panel-meters/controllers/): Digital Controllers for PID, Process, Temperature, Batch, Loop, Limit & Valve Control. - [Counters / Timers](https://www.weschler.com/product-category/panel-meters/counters-timers/): Weschler offers a variety of counters and timers. Some models include quadrature function and a communication interface. Displays range from 3 to 8 digits. - [DIN Sized Meters](https://www.weschler.com/product-category/panel-meters/din-meters/) - [Digital Panel Meters](https://www.weschler.com/product-category/panel-meters/digital-panel-meters/): These meters display one or more process parameters in a digital format. DIN, switchboard and other case styles are included. Use the filters to narrow the selection. - [Edgewise Meters](https://www.weschler.com/product-category/panel-meters/edgewise-meters/): Analog & bargraph meters in both vertical and horizontal orientations. Various sizes available from 1.5″ to 12″. - [Energy Meters](https://www.weschler.com/product-category/panel-meters/energy-meters/) - [Loop Powered Indicators](https://www.weschler.com/product-category/panel-meters/loop-powered-indicators/): These digital & bargraph meters are powered from a 4-20mA loop, so no external power supply is required. - [Elapsed Time & Hour Meters](https://www.weschler.com/product-category/panel-meters/elapsed-time-hour-meters/): These products display run time in days, hours, minutes or seconds. - [Power Meters](https://www.weschler.com/product-category/panel-meters/power-meters/): Analog, digital & bargraph meters for measurement of watts, vars, power factor, phase angle in AC systems. Also includes DC power meters. - [Meter Relays](https://www.weschler.com/product-category/panel-meters/meter-relays/): A meter relay is a meter with a switched output that can be used to control a process or activate an alarm. A variety of analog and digital meter relays are available to perform today’s control applications. Selecting the right model involves matching the meter’s capabilities to the application’s requirements. Application Info - [Synchroscopes](https://www.weschler.com/product-category/panel-meters/synchroscopes/): Analog and digital meters to measure the phase difference between two AC systems. - [Process Meters](https://www.weschler.com/product-category/panel-meters/process-meters/): Meters for measurement of standard process signals up to 20mA and 10V. These meters also accept inputs from a variety of transducers and smart sensors. - [Switchboard Meters](https://www.weschler.com/product-category/panel-meters/switchboard-meters/): Analog, digital & bargraph meters that mount in standard ANSI switchboard panel cutouts. - [Frequency Meters](https://www.weschler.com/product-category/panel-meters/frequency-meters/): Digital, analog & bargraph meters measure either line frequency or a broader frequency range. - [Panel Tachometers](https://www.weschler.com/product-category/panel-meters/tachometers-panel/) - [Temperature Meters](https://www.weschler.com/product-category/panel-meters/temperature-meters/): Analog, digital & bargraph meters that directly measure thermocouple, RTD or thermistor temperature sensors. - [Voltmeters](https://www.weschler.com/product-category/panel-meters/voltmeters/) - [Energy Meters](https://www.weschler.com/product-category/power-energy-management/energy-meters-power-energy-management/) - [Power Analyzers](https://www.weschler.com/product-category/power-energy-management/power-analyzers/) - [Totalizers / Rate Meters](https://www.weschler.com/product-category/panel-meters/totalizer-rate-meters/) - [Process Meter Relays](https://www.weschler.com/product-category/process-control/meter-relays-process-control/) - [Power Testers](https://www.weschler.com/product-category/power-energy-management/power-testers/) - [Power Loggers](https://www.weschler.com/product-category/power-energy-management/power-loggers/) - [Process Controllers](https://www.weschler.com/product-category/process-control/controllers-process-control/) - [Process Calibrators](https://www.weschler.com/product-category/process-control/process-calibrators/) - [Smart Process Meters](https://www.weschler.com/product-category/process-control/smart-process-meters/) - [Flow Sensors](https://www.weschler.com/product-category/sensors-transducers/flow-sensors/) - [Frequency Transducers](https://www.weschler.com/product-category/sensors-transducers/frequency-transducers/) - [Current Transducers](https://www.weschler.com/product-category/sensors-transducers/current-transducers/): These products convert AC or DC current into a low voltage or low current DC signal that can be measured by a voltmeter, milliammeter or process meter. - [Position Sensors](https://www.weschler.com/product-category/sensors-transducers/position-sensors/): These devices use optical or magnetic sensing to detect the presence or position of an object. Includes photoelectric sensors, proximity sensors and shaft encoders. - [Level Sensors](https://www.weschler.com/product-category/sensors-transducers/level-sensors/) - [Power Transducers](https://www.weschler.com/product-category/power-energy-management/power-energy-transducers/) - [Power Transducers](https://www.weschler.com/product-category/sensors-transducers/power-transducers/) - [Power Meters](https://www.weschler.com/product-category/power-energy-management/power-meters-power-energy-management/) - [Process Recorders](https://www.weschler.com/product-category/process-control/process-recorders/) - [Pressure / Load Sensors](https://www.weschler.com/product-category/sensors-transducers/pressure-load-sensors/) - [Speed Sensors](https://www.weschler.com/product-category/sensors-transducers/speed-sensors/) - [Temperature Sensors & Transducers](https://www.weschler.com/product-category/sensors-transducers/temperature-sensors/) - [Conditioners](https://www.weschler.com/product-category/signal-conditioners/conditioners/) - [Voltage Transducers](https://www.weschler.com/product-category/sensors-transducers/voltage-transducers/) - [Switches](https://www.weschler.com/product-category/signal-conditioners/electronic-switches/) - [Signal Isolators](https://www.weschler.com/product-category/signal-conditioners/isolators/) - [Borescopes](https://www.weschler.com/product-category/test-equipment/borescopes/) - [Transmitters](https://www.weschler.com/product-category/signal-conditioners/transmitters/) - [Alarms](https://www.weschler.com/product-category/signal-conditioners/alarms/) - [Cable / Wire Test](https://www.weschler.com/product-category/test-equipment/cable-test/) - [Process Calibrators](https://www.weschler.com/product-category/test-equipment/calibrators/) - [Data Loggers](https://www.weschler.com/product-category/test-equipment/data-loggers/) - [Clamp Meters](https://www.weschler.com/product-category/test-equipment/clamp-meters/) - [Distance/Length/Thickness](https://www.weschler.com/product-category/test-equipment/distance-length-thickness/) - [Ground Resistance Testers](https://www.weschler.com/product-category/test-equipment/ground-resistance-testers/) - [High Voltage Testers](https://www.weschler.com/product-category/test-equipment/high-voltage-testers/) - [Light Meters](https://www.weschler.com/product-category/test-equipment/light-meters/) - [Insulation Testers (Megohmmeters)](https://www.weschler.com/product-category/test-equipment/insulation-testers-megohmmeters/) - [Humidity Meters](https://www.weschler.com/product-category/test-equipment/humidity-meters/) - [Infrared Meters](https://www.weschler.com/product-category/test-equipment/infrared-meters/) - [Current Shunts](https://www.weschler.com/product-category/sensors-transducers/current-shunts/) - [Low Resistance Testers](https://www.weschler.com/product-category/test-equipment/low-resistance-testers/) - [Oscilloscopes](https://www.weschler.com/product-category/test-equipment/oscilloscopes/) - [Leakage Testers](https://www.weschler.com/product-category/test-equipment/leakage-testers/) - [Power Monitors](https://www.weschler.com/product-category/test-equipment/power-monitors/) - [Recorders](https://www.weschler.com/product-category/test-equipment/recorders/) - [Test Standards](https://www.weschler.com/product-category/test-equipment/test-standards/) - [Sound Level Meters](https://www.weschler.com/product-category/test-equipment/sound-level-meters/) - [Handheld Temperature Meters](https://www.weschler.com/product-category/test-equipment/temperature-meters-handheld/) - [Thermal Imagers](https://www.weschler.com/product-category/test-equipment/thermal-imagers/) - [Tachometers](https://www.weschler.com/product-category/test-equipment/tachometers/) - [Vibration Meters](https://www.weschler.com/product-category/test-equipment/vibration-meters/) - [Voltage Detectors](https://www.weschler.com/product-category/test-equipment/voltage-detectors/) - [Accessories](https://www.weschler.com/product-category/weschler-products/accessories/): Weschler Instruments offers a variety of meter accessories for use with bargraph, digital & analog meters. Also see additional products in the Sensors/Transducers and Signal Conditioner categories. - [Analog Meters](https://www.weschler.com/product-category/weschler-products/analog-meters/): Weschler analog meters are available in ANSI switchboard styles, as well as standard industry panel meter sizes. Made in USA. - [Multimeters (DMMs)](https://www.weschler.com/product-category/test-equipment/dmms/) - [Phase Rotation Detectors](https://www.weschler.com/product-category/test-equipment/phase-rotation-detectors/) - [Digital Power Meters](https://www.weschler.com/product-category/weschler-products/digital-power-meters/): Switchboard meters with one, two or three digital readouts for measuring AC power parameters, including ACV, ACA, frequency, watts, vars, power factor, and phase angle. - [Zahn Viscosity Cup](https://www.weschler.com/product-category/weschler-products/zahn-viscosimeters/): The Zahn Viscosimeter (viscometer) is a portable device for quickly checking the the viscosity of paint, varnish, lacquer, ink, syrup, or other liquids. - [Transformer Monitors](https://www.weschler.com/product-category/weschler-products/transformer-monitors/): The Transformer Advantage 2 is an Electronic Temperature Monitor (ETM) for oil-filled transformers in substations, power plants and industrial powerhouses. Models are available for both new and existing transformers. The Transformer Advantage 3 is our newest ETM, offering expanded hardware, software and communication capabilities. - [Transformer Testers](https://www.weschler.com/product-category/test-equipment/transformer-testers/) - [Digital Bargraph Meters](https://www.weschler.com/product-category/weschler-products/digital-bargraph-meters/): Tri-color and single color bars 3, 4 and 5 digit displays Measure AC/DC volts, amps, watts, VARs, rate, time, temperature and more Up to 4 relay outputs Setpoints, Trend, Peak/Valley AC or DC powered Analog retransmit and RS232/485 communications Modbus and Ethernet on BG2 models Sizes up to 12″ BG252TC in Banded Mode BG252TC in Tri-Color Mode These switchboard meters and edgewise meters provide a bright, easy to read display of current, voltage, power or other process parameters. Use visible setpoints to quickly show process status. Order optional relay outputs for alarms or control. Models and sizes are available to replace most popular analog instruments. Made in USA. Bargraph_Selector Guide Weschler Digital_Bargraph Catalog Manuals - [Power Quality Analyzers](https://www.weschler.com/product-category/test-equipment/power-analyzers-test-equipment/) - [Manufacturers](https://www.weschler.com/product-category/manufacturers/): In addition to Weschler manufactured products, we offer a wide selection of meters, sensors, signal conditioners, test equipment and related products from over 50 leading instrumentation companies. Showing all manufacturer results - [A&M/Weston](https://www.weschler.com/product-category/manufacturers/am-weston/) - [Accuenergy](https://www.weschler.com/product-category/manufacturers/accuenergy/) - [Adalet](https://www.weschler.com/product-category/manufacturers/adalet/) - [AEMC](https://www.weschler.com/product-category/manufacturers/aemc/) - [Amprobe](https://www.weschler.com/product-category/manufacturers/amprobe/) - [API (Absolute Process)](https://www.weschler.com/product-category/manufacturers/api-absolute-process/) - [Ashcroft](https://www.weschler.com/product-category/manufacturers/ashcroft/) - [ATC (Automatic Timing & Controls)](https://www.weschler.com/product-category/manufacturers/atc/) - [ATS (Applied Technical Systems)](https://www.weschler.com/product-category/manufacturers/ats/) - [Bierer Meters](https://www.weschler.com/product-category/manufacturers/bierer-meters/) - [Byram](https://www.weschler.com/product-category/manufacturers/byram/) - [Control Switches](https://www.weschler.com/product-category/manufacturers/control-switches/) - [Crompton (Tyco)](https://www.weschler.com/product-category/manufacturers/crompton-tyco/) - [Dixson](https://www.weschler.com/product-category/manufacturers/dixson/) - [Electro Industries](https://www.weschler.com/product-category/manufacturers/electro-industries/) - [Electromagnetic Industries](https://www.weschler.com/product-category/manufacturers/electromagnetic-industries/) - [Empro](https://www.weschler.com/product-category/manufacturers/empro/) - [ENM](https://www.weschler.com/product-category/manufacturers/enm/) - [Extech (Flir)](https://www.weschler.com/product-category/manufacturers/extech-flir/) - [Flexcore](https://www.weschler.com/product-category/manufacturers/flexcore/) - [Fluke](https://www.weschler.com/product-category/manufacturers/fluke/) - [Fuji Electric](https://www.weschler.com/product-category/manufacturers/fuji-electric/) - [Hioki](https://www.weschler.com/product-category/manufacturers/hioki/) - [Hoyt](https://www.weschler.com/product-category/manufacturers/hoyt/) - [International Instruments](https://www.weschler.com/product-category/manufacturers/international-instruments/) - [Jewell (Modutec)](https://www.weschler.com/product-category/manufacturers/jewell-modutec/) - [KEP](https://www.weschler.com/product-category/manufacturers/kep/) - [Kobold](https://www.weschler.com/product-category/manufacturers/kobold/) - [Lascar](https://www.weschler.com/product-category/manufacturers/lascar/) - [Laurel Electronics](https://www.weschler.com/product-category/manufacturers/laurel-electronics/) - [LFE](https://www.weschler.com/product-category/manufacturers/lfe/) - [London Electronics](https://www.weschler.com/product-category/manufacturers/london-electronics/) - [Martel](https://www.weschler.com/product-category/manufacturers/martel/) - [Megger](https://www.weschler.com/product-category/manufacturers/megger/) - [NK Technologies](https://www.weschler.com/product-category/manufacturers/nk-technologies/) - [NLS (Non-Linear Systems)](https://www.weschler.com/product-category/manufacturers/nls/) - [Noshok](https://www.weschler.com/product-category/manufacturers/noshok/) - [Partlow](https://www.weschler.com/product-category/manufacturers/partlow/) - [PIE (Practical Instrument Electronics)](https://www.weschler.com/product-category/manufacturers/pie/) - [Prime Instruments](https://www.weschler.com/product-category/manufacturers/prime-instruments/) - [Pyragon](https://www.weschler.com/product-category/manufacturers/pyragon/) - [Pyromation](https://www.weschler.com/product-category/manufacturers/pyromation/) - [Red Lion](https://www.weschler.com/product-category/manufacturers/red-lion/) - [Sifam Tinsley](https://www.weschler.com/product-category/manufacturers/sifam-tinsley/) - [Simpson](https://www.weschler.com/product-category/manufacturers/simpson/) - [SUSI](https://www.weschler.com/product-category/manufacturers/susi/) - [Texmate](https://www.weschler.com/product-category/manufacturers/texmate/) - [Trumeter](https://www.weschler.com/product-category/manufacturers/trumeter/) - [Veris](https://www.weschler.com/product-category/manufacturers/veris/) - [Weschler](https://www.weschler.com/product-category/manufacturers/weschler/) - [West](https://www.weschler.com/product-category/manufacturers/west/) - [Westcon](https://www.weschler.com/product-category/manufacturers/westcon/) - [Westinghouse](https://www.weschler.com/product-category/manufacturers/westinghouse/) - [Yokogawa](https://www.weschler.com/product-category/manufacturers/yokogawa/) - [GE ITI](https://www.weschler.com/product-category/manufacturers/ge-iti/) - [Ruggedized Meters](https://www.weschler.com/product-category/panel-meters/ruggedized-panel-meters/): Rugged, high shock and high reliability meters specially designed for use in severe environments. - [Transformer Advantage 3](https://www.weschler.com/product-category/weschler-products/transformer-monitors/transformer-advantage-3-etm/): Transformer Advantage3 Advanced Electronic Temperature Monitor (ETM) Single, Dual and Three RTD Units Calculated or Simulated Winding Temperatures LTC Temperature Difference (CT/LTC Model) Multi-Stage Fan/Pump Control with Readback Loss of Life (Insulation Aging) Option Auxiliary Analog & Digital Inputs Ethernet, Fiber, Serial & USB Communications SCADA Ready – DNP3.0 & Modbus Protocols Weatherproof NEMA 4X Metal Case Expanded Wiring Compartment Made in USA The Transformer Advantage3 is Weschler’s newest electronic temperature monitor for substation and power plant transformers. It is rugged, fully electronic and field configurable. With Transformer Advantage, users can extend transformer life, utilize maximum capacity and reduce maintenance costs. Five models in the new Advantage3 line offer a range of functions and configurations. New enhancements include up to 12 relays, 4 analog outputs and fiber Ethernet. The Transformer Advantage 3 is a cost-effective replacement for analog gauges and an easy upgrade from the Advantage 2. Transformer Advantage 3 Line Advantage_3_Brochure Advantage 3 Simplified Selector Manuals/Software Application Notes - [Transformer Advantage 2](https://www.weschler.com/product-category/weschler-products/transformer-monitors/transformer-advantage-2/): Transformer Advantage 2 Electronic Temperature Monitor (ETM) Direct Oil Temperature Simulated Winding Temperature Calculated Winding Temperature (CT Models) LTC Temperature Difference (LTC Models) Single, Dual and Three Channel Units Analog & Digital Inputs Multi-Stage Fan/Pump control Weatherproof Metal Case SCADA Ready – DNP3.0 & Modbus Protocols Made in USA The Transformer Advantage is a precision temperature monitor for liquid-immersed power and distribution transformers. It is rugged, fully electronic and field configurable. With Transformer Advantage, users can extend transformer life, utilize maximum capacity and reduce maintenance costs. Seven models in the Advantage 2 line offer a range of functions and configurations. All use an accurate and stable platinum temperature sensor (RTD) to precisely measure critical liquid temperatures. Setpoint relays can activate alarms or multiple stages of cooling at different temperatures. Transformer Advantage Line WT-03 Advantage Data Sheet Manuals/Software Application Notes - [Canadian Shunt](https://www.weschler.com/product-category/manufacturers/canadian-shunt/)