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Ground Resistance Testers

Extech Instruments

382252

Includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000Ohm

Large dual display with backlight

Test Hold function for easy operation

Automatic Zero adjustment

AC/DC Voltage, Resistance, and Continuity

Auto Power off, Overrange and low battery indication

Complete with test leads, 2 auxiliary earth bars, carrying case, protective rubber holster and six 1.5V AA batteries

Extech Instruments

382253

Replacement Bars for Earth Ground Resistance Tester Kit

Compatible with 382252 - Earth Ground Resistance Tester Kit

Extech Instruments

382254

Replacement Set of Test Leads for Earth Ground Resistance Tester Kit

Compatible with 382252 - Earth Ground Resistance Tester Kit

Extech Instruments

382357

Non-contact measurements of ground conductors without need for auxiliary ground spikes

Autoranging ground resistance measurements from 0.025Ohm to 1500Ohm with 0.002Ohm resolution

True RMS AC Leakage current range of 0.2mA to 30A with 1.000mA resolution

Programmable Datalogging with 116 data points

Programmable Hi/Lo Alarm

0.9" (23mm) Jaw size for large ground rods

Extech Instruments

GRT300

Measure 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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