快乐飞艇人工计划
OTHER TEST INSTRUMENT
OTHER TEST INSTRUMENT
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· VA6450
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· MS5209 >
· MS6810/MS6811
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· MS6820
· VA833
MS5209 EARTH RESISTANCE TESTER
EARTH RESISTANCE TESTER
﹒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.

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