Electrical Tools - Resistance Testers

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Extech 380260

Autoranging Digital Megohmmeter

This autoranging megohmmeter measures insulation resistance up to 2000MΩ. Choice of 250, 500 or 1000VDC test voltages. The large backlit dual display indicates test voltage output and insulation resistance. Low resistance, continuity and AC/DC voltage measurement functions. Other features include automatic discharge at the end of test, protective holster with stand, power lock on feature and data hold. Complete with test leads, carrying case and 6 AA batteries.

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Extech 380320

Analog Insulation Tester

The Extech 380320 is an Analog Insulation Tester with a large, easy to read analog display. It features a live circuit warning which displays the actual AC voltage measurement. It also includes an automatic discharge circuit, lock power on feature for extended test times, and insulation resistance up to 400 MΩ. Complete with heavy duty test leads, alligator clip test lead, 6 AA batteries, hanging strap, and hard carrying case.

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Extech 380395

High Voltage Digital Insulation Tester (110V)

With the Extech 380395, measure insulation resistance up to 60 GΩ with test voltages of 500 V, 1000 V, 2500 V, and 5000 V. Its features include polarization index measurement (PI), dielectric absorption ratio measurement (DAR), AC/DC voltage measurement up to 600 V, peak and relative functions, and a 1 min to 15 min timer function for IR measurements. Comes with test leads, eight C batteries, 120 V AC adaptor, heavy duty carrying case, and a user manual.

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Extech 380396

High Voltage Digital Insulation Tester (220V)

With the Extech 380396, measure insulation resistance to 60 GΩ with test voltages of 500 V, 1000 V, 2500 V, and 5000 V. It features several measurements including polarization index (PI), dielectric absorption ratio (DAR), and AC/DC voltage to 600 V with a min/max function. It also has peak and relative functions, as well as a 1 to 15 minute timer function for IR measurements. Comes with test leads, eight C batteries, 220 V AC adaptor, heavy duty carrying case, and user manual.

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Extech 380460

Precision Milliohm Meter (110V)

380460 is a Precision Milliohm Meter. High accuracy and performance for low resistance measurements. Portable milliohm meter provides resolution to 0.1mΩ. Compact, durable field service housing with protective cover. Manual zero display adjust and overrange indication. Complete with 4-wire cables with Kelvin clip connectors.

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Extech 380462

Precision Milliohm Meter (220V)

The Extech 380462 is a Precision Milliohm Meter (220 V). Performance for low resistance measurements. Equipped with a large 18 mm, 1999 count LCD screen. Featuring manual, zero display adjust and overrange indication. CE certified. Complete with 4-wire cables with Kelvin clip connectors.

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Extech 380465

Kelvin Clip Test Lead Set

The Extech 380465 is a Kelvin Clip Test Lead Set for Milliohm Meter Models 380460 and 380462. The 380465 is built from compact, durable field service housing with a protective cover.

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Extech 380560

High Resolution Precision Milliohm Meter (110VAC)

The 380560 benchtop meter provides resolution down to 0.01mΩ using 4-wire Kelvin clip test leads. Featuring 7 ranges for wide low resistance measurements, 1999 count display with 0.8" digits, automatic zero function. Built-in comparator for Hi/Lo/Go resistance testing or selection. Complete with 4-wire cables with Kelvin clip connectors and power cord.

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Extech 380562

Extech 380562 High Resolution Precision Milliohm Meter (220 VAC)

Compact and precise, the Extech 380562 Milliohm Meter has 7 ranges and measures down to 0.01 mΩ using 4-wire Kelvin clip test leads. Measurements are displayed on the unit's large 20.3 mm (0.8 in), 1999-count LCD. It comes with a built-in comparator for Hi/Lo/Go resistance testing or selection. Complete with 4-wire cables with Kelvin clip connectors and power cord.

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Extech 380565

Kelvin Clip Test Lead Set

The 380565 is a set of Test Leads with Kelvin Clips for the Extech 380580 battery powered milliohm meter. Use these test leads and kelvin clips as extras or spare.

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Extech 380580

Battery Powered Milliohm Meter

The 380580 is a Battery Powered Milliohm Meter. This milliohm meter features a 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 with 2 Kelvin alligator clips).

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Extech 382252: Earth Ground Resistance Tester Kit

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Extech 382252: Earth Ground Resistance Tester Kit

Earth Ground Resistance Tester Kit

The 382252 is an Earth Ground Resistance Tester Kit which includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000 Ohms. Also tests AC/DC Voltage, resistance and continuity. Featuring Automatic zero adjustment and three earth ground resistance ranges 20Ω/200Ω/2000Ω. Complete with test leads, 2 auxiliary earth bars, carrying case, protective rubber holster and six 1.5V AA batteries.

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Extech 382254

Test Leads (5pc)

The Extech 382254 is a replacement set of test leads for the 382252 Earth Ground Resistance Tester Kit. The test leads are color-coded and durable.

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Extech 382357

Clamp-on Ground Resistance Tester

The 382357 is a Clamp-On Ground Resistance Tester that enables non-contact measurements of ground conductors. True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution. Programmable Datalogging with 116 data points. Performs without the need for auxiliary spikes. Complete with 9V battery, Resistance check plate and durable metal storage case.

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Extech GRT300

4-Wire Earth Ground Resistance Tester

The GRT300 measures earth ground in 4 ranges from 2 to 2000 Ohm. 4-wire, 3-wire, and 2-wire testing. Large dual line LCD. Automatic I (current) and P (potential) spike check. Test Hold function for easy operation. Autoranging, Automatic Zero adjustment, Data Hold and Auto Power off. AC Earth Voltage. Overrange and low battery indication. Complete with test leads with alligator clips, 4 auxiliary earth bars, hard carrying case, and eight 1.5V AA batteries.

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Extech MG310

Digital Insulation Tester

The MG310 is a Compact Insulation Resistance Tester which allows quick and easy testing/troubleshooting of motors, transducers, and other industrial appliances. Wide range measurement up to 1000V with Insulation Resistance to 5.5GΩ. Includes an easy snap on protective hard cover and soft pouch to conveniently transport your meter and accessories to the next job site or to safely store away. Featuring Low Resistance measurement with Zero function, Continuity beeper, Large 2000 count dual display with backlight, High voltage and overload indication, Auto-discharge and voltage output warning functions as well as Low battery indication. Complete with test leads, alligator clips, 6 x AA batteries, hard cover, and soft carrying case.

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Extech MG320

CAT IV Insulation Tester/True RMS MultiMeter

Combines a portable 20GΩ/1000V Insulation Tester with a True RMS MultiMeter. Insulation tester includes PI/DAR modes, programmable timer, and a comparator for custom test configurations and quick results. Multimeter functions include AC/DC Voltage, Resistance, and Continuity Test. Manually store/recall up to 99 readings. Designed with rugged housing and large backlit 6,000 count LCD display with analog bargraph. Complete with test leads, alligator clip, 6 x AA batteries, and soft case.

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Extech MG500

Digital High Voltage Insulation Tester

The MG500 is a digital high voltage insulation tester that tests voltage up to 10kV and measures insulation resistance to 500GOhm. The MG500 has a CAT III 300 Volt safety rating. This product is complete with a year warranty, built-in heavy duty carrying case with cover, test leads, alligator clips, and 8 x C batteries.

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Extech MG500-TL

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Extech MG500-TL

Replacement Test Leads

The Extech MG500-TL is a set of Replacement Test Leads for use with the model MG500 Digital High Voltage Insulation Tester.

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Extech UM200

High Resolution Micro-Ohm Meter

The Extech UM200 is a precision Micro-Ohm Meter which features a resolution down to 1 µΩ. The UM200 has 6 ranges with 3 sub-ranges in each current range. It features a 5-Digit backlit LCD, PC interface, auto or manual ranging, and a 10 A maximum test current. Store/Recall up to 3000 measurements. Complete with 4-wire cables with Kelvin clip connectors, rechargeable Li-Polymer battery, AC adapter/charger, software and USB cable, and soft carrying case.

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Extech UM200-KTL

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Extech UM200-KTL

4-Wire Kelvin Clip Test Leads

The Extech UM200-KTL is a set of 4 wire cables with Kelvin clip connector test leads for the Extech UM200 battery powered milliohm meter. Use them as extras or as a spare if necessary.

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