Earth resistance tester or clamp on ground resistance tester is a useful tool to measure earth, ground rod and grid stuffs' resistance. It is much more precise and convenient to measure material resitance in minutes while it may take other instruments hours to masure precisely.
The Multifunction Clamp On Earth Ground Resistance Tester Meter ETCR2000C+ can measure the leakage current of the grounding line. (Leakage current measure range:0.0mA~20.0A), or the integrated value of the grounding body resistance and the grounding lead resistance. It is simple, safe and convenient to use, and can be widely applied in grounding resistance measurement of the power, telecommunications, meteorology, oilfield, construction and the industrial and electrical equipment.
The ETCR2000C+ multifunction clamp earth ground resistance tester are avaliable at
http://www.joyfay.com/us/multifunction-clamp-on-earth-ground-resistance-tester-meter-etcr2000c.html, and you can check more technique details on that page.
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