User’s Manual UT5583 Insulation Resistance Tester
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Warning
1. Negative terminal has high voltage. It is recommended that connect the UNT in
discharge state to aviod electric shock.
2. Device with polarity (electroytic capacitor) should correctly connect to positive and
negative. Otherwise, it may cause damage to personal safety. Please take off after
dicharge a few seconds, to aviod electric shock.
Notes
3. Recommendation: Discharge the components in the instrument.
4. The instrument cannot short-circuit for long time, otherwise, the instrument will be
damaged.
5. In order to guarantee the accuracy and stability of measurement, please ensure that
the temperature and humidity of the environment meet the required conditions.
4.4
Open Circuit Zero Clearing
It is used to perform open circuit zero clearing for instrument. In order to achieve high precision
measurement, zero clearing calibration is a must.
Note: Test wire must be open circuit and suspended. Do not contact any object.
In the stop state, press [zero clearing] key at the bottom of the screen to enter zero clearing page.
Entity Key
Function
OK
The instrument exeutes open circuit for all ranges. If zero clearing is
successfully performed, data will be recorded in storage.
Esc
Exit zero clearing, the instrument will return to the stop state.
4.5 Start Test
Set the parameter---Correctly connect test wire---Press [On/Off] key to start test.
