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
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