General Description

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The ground resistance tester Models 3711 and 3731 measure ground rod and small grid resistance through any season, without the use of auxiliary ground rods.  The Models 3711 and 3731 simply clamp around the ground conductor or rod and measures the resistance to ground.  By performing measurements on intact ground systems, the user also verifies the quality of the grounding connections and bonds.  The Model 3731 has an alarm function and a memory (logging) function that the Model 3711 does not offer.

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