165X
Users Manual
48
Live Circuit Detection Inhibits test if terminal voltage > 10 V ac detected prior to
initiation of test.
Insulation Resistance Measurement (R
ISO
)
Test Voltages
Model 1651 Model 1652 Model 1653
Accuracy of Test Voltage
(at rated test current)
500-1000 V 250-500-1000 V 50-100-250-500-1000 V +10%, -0%
Test Voltage
Insulation
Resistance Range Resolution Test Current Accuracy
50 V 10 kΩ to 50 MΩ 0,01 MΩ 1 mA @ 50 kΩ + (3%+3 digits)
100 kΩ to 20 MΩ 0,01 MΩ 1 mA @ 100 kΩ + (3%+3 digits) 100 V
20 MΩ to 100 MΩ 0,1 MΩ 1 mA @ 100 kΩ + (3%+3 digits)
250 V 100 kΩ to 200 MΩ 0,1 MΩ 1 mA @ 250 kΩ + (1,5%+3 digits)
100 kΩ to 200 MΩ 0,1 MΩ 1 mA @ 500 kΩ + (1,5%+3 digits) 500 V
200 MΩ to 500 MΩ 1 MΩ 1 mA @ 500 kΩ + 10%
100 kΩ to 200 MΩ 0,1 MΩ 1 mA @ 1 MΩ + (1,5%+3 digits) 1000 V
200 MΩ to 1000 MΩ 1 MΩ 1 mA @ 1 MΩ + 10%
The number of possible insulation tests with a fresh set of batteries is 2000.