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Ground Testers

Ground resistance testers test soil resistivity and the earths electrodes. Use them to troubleshoot systems in your preventive maintenance programs. Find clamp on ground resistance testers and 4-wire tester kits in this category.


Extech 382252 Earth Ground Resistance Tester Kit-

Sale Price $224.99 USD
Regular Price $249.99 USD
Availability 3 to 4 Weeks

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Extech 382252-NIST Earth Ground Resistance Tester Kit,  -

Sale Price $337.49 USD
Regular Price $374.99 USD
Availability 6 to 7 Weeks

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Extech 382253 Replacement Earth Bars, Set of 2-

Sale Price $37.79 USD
Regular Price $41.99 USD
Availability 2 to 3 Weeks

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Extech 382357 Clamp-on Ground Resistance Tester with Datalogging-

Sale Price $1,223.10 USD
Regular Price $1359.00 USD
Availability 2 to 3 Weeks

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Extech 382357-NIST Clamp-on Ground Resistance Tester/Datalogger,  -

Sale Price $1,358.10 USD
Regular Price $1544.00 USD
Availability 3 to 4 Weeks

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Extech GRT300 4-Wire Earth Ground Resistance Tester Kit-

Sale Price $719.10 USD
Regular Price $799.00 USD
Availability 1 Week

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Extech GRT350 Ground Resistance/Soil Resistivity Tester-

Sale Price $899.10 USD
Regular Price $999.00 USD
Availability 2 to 3 Weeks

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