6. Press and hold the test button.
7. The test voltage is turned on after a one second delay
(three seconds for 1,000 V tests).
8. To lock the test on, press and release Hot key 2. You can
now release the test button, and the insulation test voltage
will remain on
The measured insulation resistance is displayed
continuously.
The analogue arc also provides a continuous indication of
the measured insulation resistance.
Fig 22: Insulation test lock
9. To turn the test voltage off, either press the test button again
or press Hot key 2.
or
WARNING : When the insulation test is locked on, the instrument does not discharge the circuit or asset
at the end of a test. The circuit and test-leads remain live and hazardous. Ensure that you discharge the
circuit safely before touching any connections.
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Insulation testing
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