Earth Ground Resistance Tester Meters 2 3 Wire Digital Earth Resistance Tester with Earth Resistance Range 0.00ohm to 2000ohm Range 0 to 600V 400 Sets Data Storage EC61010-1 Standard
Digital Ground Resistance Tester Measuring Method:Earth ground resistance: rated current change-pole method, measurement current 3mA Max,820Hz; Earth Voltage: average value rectification