Earth resistance tester Earth resistance:10/100/1000?
Earth voltage:30V AC(5K?/V approx.)
Accuracy:Earth resistance:Within±5% of full scale/Earth voltage: Within±5% of full scale
Measurement system:Earth resistance by constant current inverter 800Hz approx.2mA/Earth voltage by rectifier type 5K?/V approx.40~500Hz
Withstand voltage-1500V AC for one minute between electrical circuit and housing case