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Use the following table as a guide for interpreting the results of a DAR or PI test:
DAR
DAR < 1.25
1.25 ≤ DAR < 1.6
1.6 ≤ DAR
TEST
2.2.2.3 Remote Control Probe (Optional)
The optional remote control probe is used to trigger the measurement using the
TEST button on the probe. To use this accessory, refer to its separate operating
instructions.
Successive presses on the button display intermediate
values. These include:
For
:
■ Programmed time, voltage, and current at the end of
the measurement
For PI and DAR:
■ T1 time and the voltage, current, and insulation
resistance at that time
■ T2 time and the voltage, current, and insulation
resistance at that time
Press the TEST button to return to voltage measurement.
PI
PI < 2
2 ≤ PI < 4
4 ≤ PI
Condition of insulation
Poor or even dangerous
Good
Excellent
V
DC
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Troubleshooting
