By the grace of G-d Brand new in the box with full warranty. The Amprobe DCG-1000A clamp ground resistance tester is a ground resistance tester that measures ground resistance, current, and continuity in multi-grounded electrical systems. This true RMS (root mean square) meter provides accurate readings when measuring linear or non-linear loads where the current or voltage has a sinusoidal or nonsinusoidal waveform.
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