Resistance Testers
Extech Instruments Corporation
Earth Ground Resistance Tester Kit which includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000 omega. 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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Earth Ground Resistance Tester Kit - 3 Ranges, from 20 to 2000Ohm
382252
Extech Instruments Corporation
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 omega. 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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Replacement Set of Test Leads for Earth Ground Resistance Tester Kit (5pc)
Extech 382254
Extech Instruments Corporation
The 382254 is a replacement set of Test Leads for Extech's 382252 Earth Ground Resistance Tester Kit. The test leads are color-coded and durable.
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Clamp-on Ground Resistance Tester - Non-Contact
Extech 382357
Extech Instruments Corporation
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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4-Wire Earth Ground Resistance Tester - 4 Ranges, from 2 to 2000 Ohm
Extech GRT300
Extech Instruments Corporation
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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Analog Insulation Tester - Manual Ranging Insulation Tester with 250V, 500V, and 1000V Test Voltages
380320
Extech Instruments Corporation
The 380320 is an Analog Insulation Tester with a large, easy to read analog display. Featuring a live circuit warning which displays the actual AC voltage measurement, Automatic discharge circuit, Lock Power On feature for extended test times, and Insulation resistance up to 400MΩ. Complete with heavy duty test leads, alligator clip test lead, 6 x AA batteries, hanging strap and hard carrying case.
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Autoranging Digital Megohmmeter - 1000V Digital Tester with Large Dual Backlit Display
380260
Extech Instruments Corporation
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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CAT IV Insulation Tester/True RMS MultiMeter
Extech MG320
Extech Instruments Corporation
20GΩ/1000V Insulation Tester with a 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.
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CAT IV Insulation Tester/True RMS MultiMeter - 200GOhm/1000V Insulation Tester/DMM with Datalogging
Extech MG325
Extech Instruments Corporation
Combines a 200GΩ/1000V high range Insulation Tester with a full-featured True RMS MultiMeter in a single, compact instrument. CAT IV safety rating ensures the highest level of protection.
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Digital High Voltage Insulation Tester - Autoranging Insulation Measurements to 10MOhm
Extech 380363
Extech Instruments Corporation
This Extech insulation tester measures up to 10GΩ with 250V, 500V and 1000V Test Voltages. Features include: Lo-Ohms for testing connections, analog bargraph for viewing trends, AC/DC Voltage measurement to 999V, manual data record/recall function (9 sets), and live circuit display warning and beeper. Can be used to test motor, transformer windings, instruments, and appliances, check for moisture in wire and cable assemblies, safely evaluate a new wiring installation, and check for carbon tracking in breakers, relays, and switches. Extech Insulation Testers offer high sensitivity to assure reliable monitoring of low resistance motor windings. Complete with carrying case, test leads, and 6 x AA batteries.
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Digital High Voltage Insulation Tester - Tests Voltage up to 10kV and Measures Insulation Resistance to 500GOhm
Extech MG500
Extech Instruments Corporation
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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Digital Insulation Tester - Compact Insulation Resistance Tester with Snap-On Protective Cover
Extech MG310
Extech Instruments Corporation
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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Electrical Troubleshooting Kit
Extech MG302-ETK
Extech Instruments Corporation
Test and measurement kit for electrical installation, troubleshooting, and repair.Kit includes:MG302 - True RMS Multimeter/Insulation Tester with 13 Functions and Wireless PC Interface.42509 - 12:1 Infrared Thermometer with high/low alarm and fast 2-color display.MA430T - 400A True RMS AC Clamp Meter with built-in non-contact voltage detector.Complete with with test leads, Type K thermocouple bead wire probe, batteries, and hard storage case that provides protection and organization for the meters and accessories
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High Voltage Digital Insulation Tester (110V) - Wide Range Measurement up to 5kV with Insulation Resistance to 60GOhm
Extech 380395
Extech Instruments Corporation
With the 380395 measure Insulation Resistance to 60GΩ with test voltages of 500V, 1000V, 2500V, and 5000V. Featuring polarization Index measurement (PI), Dielectric Absorption Ratio measurement (DAR), AC/DC Voltage measurement to 600V with Min/Max, Peak and Relative functions, and 1 to 15 minute timer function for IR measurements. Comes with test leads, eight C batteries, 120V AC adaptor, heavy duty carrying case, and user manual.
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High Voltage Digital Insulation Tester (220V) - Wide Range Measurement up to 5kV with Insulation Resistance to 60GOhm
Extech 380396
Extech Instruments Corporation
With the 380396 measure Insulation Resistance to 60GΩ with test voltages of 500V, 1000V, 2500V, and 5000V. Featuring polarization Index measurement (PI), Dielectric Absorption Ratio measurement (DAR), AC/DC Voltage measurement to 600V with Min/Max, Peak and Relative functions, and 1 to 15 minute timer function for IR measurements. Comes with test leads, eight C batteries, 220V AC adaptor, heavy duty carrying case, and user manual.
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Battery Powered Milliohm Meter - High Accuracy, High Resolution Portable Milliohm Meter for Field Use
Extech 380580
Extech Instruments Corporation
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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High Resolution Precision Milliohm Meter (110VAC) - Benchtop Meter Provides Resolution Down to 0.01mΩ
Extech 380560
Extech Instruments Corporation
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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High Resolution Precision Milliohm Meter (220VAC) - Benchtop Meter Provides Resolution Down to 0.01mΩ
Extech 380562
Extech Instruments Corporation
Compact and precise, the Extech 380562 Milliohm Meter has 7 ranges and measures down to 0.01mΩ using 4-wire Kelvin clip test leads. Measurements are displayed on the unit's large 0.8", 1999-count LCD. 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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Precision Milliohm Meter (110V) - Portable Milliohm Meter Provides Resolution to 100µΩ
Extech 380460
Extech Instruments Corporation
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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Precision Milliohm Meter (220V)
Extech 380462
Extech Instruments Corporation
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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Kelvin Clip Test Lead Set
Extech 380465
Extech Instruments Corporation
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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Kelvin Clip Test Lead Set
Extech 380565
Extech Instruments Corporation
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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Earth Ground Resistance Tester Kit
Extech 382252
Extech Instruments Corporation
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 omega. 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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13 Function Wireless True RMS MultiMeter/Insulation Tester
Extech MG302
Extech Instruments Corporation
The Extech MG302 is a Wireless True RMS Multimeter with a built in insulation resistance tester. By adding insulation testing capabilities to this CAT IV-rated digital multimeter, electrical troubleshooters will always be equipped for the job. The digital insulation resistance tester, or megohmmeter, comes with four different test voltages for measuring resistance up to 4G Ω with 0.001 MΩ resolution. The multimeter also includes useful extras like duty cycle measurements, milliamp readings, and a built-in wireless data recording for safer troubleshooting and maintenance on moving equipment. The MG302 is waterproof (IP67-rated) and comes with a remote USB receiver, Windows compatible software, test leads with alligator clips, Type K bead wire temperature probe with adapter, carrying case, six AA batteries, and a user manual.
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High Resolution Micro-Ohm Meter
Extech UM200
Extech Instruments Corporation
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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4-Wire Kelvin Clip Test Leads
Extech UM200-KTL
Extech Instruments Corporation
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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4-Wire Earth Ground Resistance Tester - 4 Ranges, from 2 to 2000 Ohm
Extech GRT300
Extech Instruments Corporation
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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Clamp-on Ground Resistance Tester - Non-Contact
Extech 382357
Extech Instruments Corporation
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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Replacement Set of Test Leads for Earth Ground Resistance Tester Kit (5pc)
Extech 382254
Extech Instruments Corporation
The 382254 is a replacement set of Test Leads for Extech's 382252 Earth Ground Resistance Tester Kit. The test leads are color-coded and durable.
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Autoranging Digital Megohmmeter - 1000V Digital Tester with Large Dual Backlit Display
380260
Extech Instruments Corporation
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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CAT IV Insulation Tester/True RMS MultiMeter
Extech MG320
Extech Instruments Corporation
20GΩ/1000V Insulation Tester with a 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.
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CAT IV Insulation Tester/True RMS MultiMeter - 200GOhm/1000V Insulation Tester/DMM with Datalogging
Extech MG325
Extech Instruments Corporation
Combines a 200GΩ/1000V high range Insulation Tester with a full-featured True RMS MultiMeter in a single, compact instrument. CAT IV safety rating ensures the highest level of protection.
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Digital High Voltage Insulation Tester - Autoranging Insulation Measurements to 10MOhm
Extech 380363
Extech Instruments Corporation
This Extech insulation tester measures up to 10GΩ with 250V, 500V and 1000V Test Voltages. Features include: Lo-Ohms for testing connections, analog bargraph for viewing trends, AC/DC Voltage measurement to 999V, manual data record/recall function (9 sets), and live circuit display warning and beeper. Can be used to test motor, transformer windings, instruments, and appliances, check for moisture in wire and cable assemblies, safely evaluate a new wiring installation, and check for carbon tracking in breakers, relays, and switches. Extech Insulation Testers offer high sensitivity to assure reliable monitoring of low resistance motor windings. Complete with carrying case, test leads, and 6 x AA batteries.
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Digital High Voltage Insulation Tester - Tests Voltage up to 10kV and Measures Insulation Resistance to 500GOhm
Extech MG500
Extech Instruments Corporation
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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Digital Insulation Tester - Compact Insulation Resistance Tester with Snap-On Protective Cover
Extech MG310
Extech Instruments Corporation
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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Electrical Troubleshooting Kit
Extech MG302-ETK
Extech Instruments Corporation
Test and measurement kit for electrical installation, troubleshooting, and repair.Kit includes:MG302 - True RMS Multimeter/Insulation Tester with 13 Functions and Wireless PC Interface.42509 - 12:1 Infrared Thermometer with high/low alarm and fast 2-color display.MA430T - 400A True RMS AC Clamp Meter with built-in non-contact voltage detector.Complete with with test leads, Type K thermocouple bead wire probe, batteries, and hard storage case that provides protection and organization for the meters and accessories
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High Voltage Digital Insulation Tester (110V) - Wide Range Measurement up to 5kV with Insulation Resistance to 60GOhm
Extech 380395
Extech Instruments Corporation
With the 380395 measure Insulation Resistance to 60GΩ with test voltages of 500V, 1000V, 2500V, and 5000V. Featuring polarization Index measurement (PI), Dielectric Absorption Ratio measurement (DAR), AC/DC Voltage measurement to 600V with Min/Max, Peak and Relative functions, and 1 to 15 minute timer function for IR measurements. Comes with test leads, eight C batteries, 120V AC adaptor, heavy duty carrying case, and user manual.
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High Voltage Digital Insulation Tester (220V) - Wide Range Measurement up to 5kV with Insulation Resistance to 60GOhm
Extech 380396
Extech Instruments Corporation
With the 380396 measure Insulation Resistance to 60GΩ with test voltages of 500V, 1000V, 2500V, and 5000V. Featuring polarization Index measurement (PI), Dielectric Absorption Ratio measurement (DAR), AC/DC Voltage measurement to 600V with Min/Max, Peak and Relative functions, and 1 to 15 minute timer function for IR measurements. Comes with test leads, eight C batteries, 220V AC adaptor, heavy duty carrying case, and user manual.
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High Resolution Precision Milliohm Meter (110VAC) - Benchtop Meter Provides Resolution Down to 0.01mΩ
Extech 380560
Extech Instruments Corporation
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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High Resolution Precision Milliohm Meter (220VAC) - Benchtop Meter Provides Resolution Down to 0.01mΩ
Extech 380562
Extech Instruments Corporation
Compact and precise, the Extech 380562 Milliohm Meter has 7 ranges and measures down to 0.01mΩ using 4-wire Kelvin clip test leads. Measurements are displayed on the unit's large 0.8", 1999-count LCD. 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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Precision Milliohm Meter (110V) - Portable Milliohm Meter Provides Resolution to 100µΩ
Extech 380460
Extech Instruments Corporation
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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Precision Milliohm Meter (220V) - Portable Milliohm Meter Provides Resolution to 100µΩ
380462
Extech Instruments Corporation
380462 is a Precision Milliohm Meter (220V). Performance for low resistance measurements. Equipped with a large 18mm 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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Battery Powered Milliohm Meter - High Accuracy, High Resolution Portable Milliohm Meter for Field Use
Extech 380580
Extech Instruments Corporation
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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Precision Milliohm Meter (220V)
Extech 380462
Extech Instruments Corporation
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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Kelvin Clip Test Lead Set
Extech 380465
Extech Instruments Corporation
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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Kelvin Clip Test Lead Set
Extech 380565
Extech Instruments Corporation
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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Earth Ground Resistance Tester Kit
Extech 382252
Extech Instruments Corporation
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 omega. 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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13 Function Wireless True RMS MultiMeter/Insulation Tester
Extech MG302
Extech Instruments Corporation
The Extech MG302 is a Wireless True RMS Multimeter with a built in insulation resistance tester. By adding insulation testing capabilities to this CAT IV-rated digital multimeter, electrical troubleshooters will always be equipped for the job. The digital insulation resistance tester, or megohmmeter, comes with four different test voltages for measuring resistance up to 4G Ω with 0.001 MΩ resolution. The multimeter also includes useful extras like duty cycle measurements, milliamp readings, and a built-in wireless data recording for safer troubleshooting and maintenance on moving equipment. The MG302 is waterproof (IP67-rated) and comes with a remote USB receiver, Windows compatible software, test leads with alligator clips, Type K bead wire temperature probe with adapter, carrying case, six AA batteries, and a user manual.
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High Resolution Micro-Ohm Meter
Extech UM200
Extech Instruments Corporation
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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4-Wire Kelvin Clip Test Leads
Extech UM200-KTL
Extech Instruments Corporation
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.
