ETCR2000X Clamp Earth Resistance Tester is a major breakthrough in traditional grounding resistance measurement technology, widely used in power, meteorology, oil fields, construction and industrial electrical equipment grounding resistance measurement ETCR2000X Clamp Earth Resistance Tester is safe, fast and easy to use, without disconnecting the grounding lead line and auxiliary grounding pole when measuring the grounding system with a loop ETCR2000X Clamp Earth Resistance Tester can measure ground faults undetectable by traditional methods, making it suitable for applications where conventional meters fail. Accurately measures the combined resistance of the grounding body and lead ETCR2000X Ground Resistance Meter Earth Resistance Tester Clamp Earth Resistance Measurement 0.010Ω~500Ω Loop Resistance Measurement