| •Measuring ranges |
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 |