earth resistance tester

Specifications

.Measurement range:
Earth resistance:10/100/1000Ω
Earth voltage:30V AC(5KΩ/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 5KΩ/V approx.40~500Hz

.Withstand voltage
1500V AC for one minute between electrical circuit and housing case

.Self-check facility
Lead wire connection to C and P terminals and proper auxiliary earth resistance can be checked by pressing″BATT.CHECK″button ″OK″lamp is illuminated.