Extech Instruments - Electrical Testers - Ground Resistance Testers

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	GRT300 - 4-Wire Earth Ground Resistance Tester Kit Measure earth ground in 4 ranges from 2 to 2000 Ohm
	382252 - Earth Ground Resistance Tester Kit Includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000Ohm
	382253 - Earth Bars (2pc) Replacement Bars for Earth Ground Resistance Tester Kit
	382254 - Test Leads (5pc) Replacement Set of Test Leads for Earth Ground Resistance Tester Kit
	382357 - Clamp-on Ground Resistance Tester Non-contact measurements of ground conductors without need for auxiliary ground spikes
	382356 - Clamp-on Ground Resistance Tester Non-contact measurements of ground conductors without need for auxiliary ground spikes
	382152 - Earth Ground Resistance Tester Kit Measure earth ground resistance in 3 ranges from 0.01Ohm to 2000Ohm