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AEMC Instruments, founded in 1983, is a subsidiary of Chauvin Arnoux Corporation. It manufactures professional electrical test and measurement instruments for the industrial, commercial and utility marketplaces.
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Clamp Meters

Clamp Meters (101)

A Clamp Meter combines a current clamp with the basic functions of a digital multimeter, also called DMM. Clamp the "jaw" around a conductor to measure current.

Megohmmeter /  Insulation Resistance Testers

Megohmmeter / Insulation Resistance Testers (20)

Megohmmeters, or Insulation Resistance (IR) Testers, are used to measure the resistance, integrity and safety of electrical wiring insulation

Datacom Testing and Telecommunications

Datacom Testing and Telecommunications (4)

Datacom Testing and Telecommunication Equipment covers a broad spectrum of test equipment such as IT networking, datacom cabling, and telcom networks

Dataloggers / Data Acquisition

Dataloggers / Data Acquisition (15)

Dataloggers (or Data Logger, Data Recorder, Data Acquisition) refers to electronics designed to capture analog signals or measurements over time for study and review later

Decade Boxes

Decade Boxes (2)

A Decade Box houses several precision resistors, capacitors, or coils organized in decades of ten

Electrical Parts and Products

Electrical Parts and Products (3)

The Electrical Parts and Products in this category are used in a variety of electrical applications, including wire management, wire pulling, troubleshooting and more

Environmental Testers / Physical Property

Environmental Testers / Physical Property (2)

Environmental Testers measure environmental elements such as humidity, air flow, temperature, water quality, and more

Generators / Counters

Generators / Counters (1)

Signal Generators are used in various industries to create signals that simulate behavior of system. Frequency Counters are instruments for measuring frequency

Ground Testers

Ground Testers (25)

Ground Testing Instruments offer a comprehensive solution to ground rod resistance and soil resistivity (4 point) requirements

Micro-Ohmmeter / Milliohmmeter / Megohmmeter

Micro-Ohmmeter / Milliohmmeter / Megohmmeter (3)

Micro-Ohmmeters, Milliohmmeters, and Megohmmeters measure resistance in different ranges and applications


Multimeters (12)

Multimeters are the instrument of choice when you need to measure voltage, current, or resistance


Oscilloscopes (11)

An Oscilloscope is an instrument that is used as a graph displaying device of an electrical signal. The graph will show how signals change over time

Phase / Motor / Transformer Testing

Phase / Motor / Transformer Testing (5)

Phase / Motor / Transformer Testing is a general category for Motor Phase and Rotation Meters plus Transformer Turns Ratiometer (TTR)ransformer Ratiometer (DTR), and Transformer Tester

Power Measurement

Power Measurement (21)

The measurement of power and power quality includes basic parameters of voltage, current, watts (kW, VA, VAR) or energy (kVAh, VARh, kWh)

Power Supplies

Power Supplies (2)

Power Supplies deliver electric power to a device or circuit (Electrical Load), usually by stepping down a higher voltage

Reliability / Preventative Maint / Rotational

Reliability / Preventative Maint / Rotational (2)

Test instruments for Reliability Centered Maintenance (RCM) and Preventative Maintenance (PM) programs, such as for Rotating Equipment


Radiometric (2)

Radiometry is a broad field encompassing all techniques for measuring electromagnetic radiation, including the measure of visible light

TDR and Cable Length Meters

TDR and Cable Length Meters (3)

Cable Length Meters determine spooled length on uninstalled cables or wires. A TDR finds cable length plus where there are faults in cables


Thermometers (3)

Thermometers are temperature measuring instruments. Two main categories are contact type and infrared


Tools (1)

Tools are devices, often handheld, used by professionals and hobbyists to make their tasks easier and more efficient

Non-Contact Voltage and Current Detectors

Non-Contact Voltage and Current Detectors (2)

Non-Contact Voltage Testers (NCV Tester) test for energized circuits and defective grounds


Accessories (276)

Extend the capabilities of your instrument or get genuine Accessories that fit your test equipment


Clearance (6)

New and Open Box Clearance items

Discontinued Products

Discontinued Products (458)

Discontinued Products Gone but Never forgotten.

Indoor Air Quality

Indoor Air Quality (3)

Indoor Air Quality, or IAQ, refers to the study, monitoring, remediation, and prevention of indoor pollutants and particles that cause discomfort and even health problems in homes and businesses

Safety Testing  /  Surge Testing

Safety Testing / Surge Testing (4)

Electrical equipment makers use Safety Testers in design, testing, and certification to meet UL, CSA, CE, and other international standards

Thermal Imagers

Thermal Imagers (1)

Thermal Imagers are used to capture infrared images in applications ranging from industrial, fire, law enforcement, hunting and more


Professional Test & Measurement Instruments

AEMC® Instruments designs and manufactures a complete line of test instruments, including current measurement probes, power quality analyzers, ground resistance testers (such as AEMC's revolutionary tower testing system), insulation resistance testers, micro-ohmmeters, multimeters, clamp-on meters, transformer ratiometers, power quality meters, harmonic power meters, data loggers, lightmeters, oscilloscopes, cable testers, and numerous other electrical test instruments.  AEMC® manufacturing, NIST calibration and repair services, engineering and the US warehouse are located in Dover, New Hampshire.  Sales, marketing and engineering are based in Foxborough, Massachusetts.

AEMC is the subsidiary of Chauvin Arnoux®, a corporation founded in 1893. The company has a history of major inventions and patents in the test and measurement industry. Among these patents are the universal tester (the parent of the multimeter), the ammeter clamp, and the first ever light (exposure) meter for photographers. In addition to AEMC, Chauvin Arnoux® owns brands such as Metrix®, MultiMetrix®, Pyro-Contrôle®, and Enerdis®. These brands cover Chauvin Arnoux's 3 major divisions: test & measurement, power measurement & control, and temperature measurement & control.
Current statistics (Chauvin Arnoux):
  • 1,250 employees
  • 8 subsidiaries
  • 2,200 distribution partners
  • 8 industrial sites
  • Over 350 patents
  • 6 accredited metrology laboratories
  • 5 R&D centers
  • More than 150,000 products manufactured each month

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