HIOKI, Grounding Resistance

HIOKI FT6380-50 Clamp On Earth Tester Easy Pole Clamp-On Ground Resistance Tester with Super Slim Jaw
The FT6380-50 measures grounding resistance simply by clamping to multiple-grounded ground wires. No auxiliary grounding rod is needed, and there is no need to disconnect the ground wire from the grounding rod.