The GRT1000A is a major breakthrough for traditional ground resistance tester. It is widely needed in the power, telecommunications, meteorology, oilfield, construction, industrial and electrical industry. For a loop grounding system, the operator can measure the ground resistance and test for continuity without having to break down the grounding wire, or use auxiliary electrodes (sometimes referred to as "stakes"). The clamp head is specially designed to reduce calibration errors by increasing the clamp pressure and the robust design of the transformers. Able to read unwanted grounding currents ups to 15 Amps.
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