Digital Ground Resistance Tester Meters 2 3 Wire Digital Earth Resistance Tester with Range 0.00ohm to 2000ohm Earth Voltage Range 0 to 600V 400 Data Storage Lithium Battery IEC61010-1
Digital Ground Resistance Tester Measuring Method:Earth ground resistance: rated current change-pole method, measurement current 3mA Max,820Hz; Earth Voltage: average value rectification