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UT501/UT502 OPERATING MANUAL
Caution
When measuring insulation resistance, please must separate the two test leads.
When performing insulation resistance tests, remove all power from the circuit
to be measured and discharge all the power.
Do not short circuit two test leads under high voltage status.
Do not measure insulation resistance after high voltage output.
Do not carry out measurement when the battery compartment is open.
When the measurement is completed, donít touch the circuit as the circuit has
already stored capacitance, which may cause electric shock.
Don't touch the test leads even after it has been removed from the circuit until
voltages are all released.
Do not carry out measurement when the battery compartment is open.
To measure insulation resistance, set up the Meter as Figure 3 and do the following:
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