Extech Ground Resistance Testers

Model	Description or Specification
382152	Earth Ground Resistance Tester Kit Includes all hardware necessary to measure earth ground in 3 ranges from 0.01? to 2000Ω
382252	Earth Ground Resistance Tester Kit Includes all hardware necessary to measure earth ground. Also comes in 3 ranges from 20 to 2000Ω.
382252-NIST	Earth Ground Resistance Tester Kit With NIST Certificate Includes all hardware necessary to measure earth ground. Also comes in 3 ranges from 20 to 2000Ω.
382253	2 Pack Replacement Earth Bar for 382252.
382254	Set of Replacement Test Leads for 382252.
382357	Clamp-on Ground Resistance Tester Enables non-contact measurements of ground conductors without need for auxiliary ground spikes

Model	Description or Specification
382356	Clamp-on Ground Resistance Tester Enables non-contact measurements of ground conductors without need for auxiliary ground spikes - Discontinued - Replaced with 382357

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