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Earth Resistance tester
Self-check facility
FEATURES Earth Resistance tester |
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 |
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