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Model UT513: OPERATING MANUAL
To measure insulation resistance, set up the Meter as
Figure 5 and do the following:
Press IR button to select insulation resistance
measurement.
When there is no testing voltage output, press
and button to select voltages of 500V, 1000V,
2500V or 5000V.
When performing insulation resistance tests, remove
all power from the circuit to be measured and
discharged all the power.
Insert the red test lead into the LINE input terminal
and the black test lead into GUARD input terminal.
Connect the red and black alligator clip to the circuit
to be measured, negative voltage output from LINE
terminal.
Choose below insulation resistance measurement
mode.
1.
2.
3.
4.
5.
6.
Press TIME button to select continuous
measurement mode, there is no timer icon on the
LCD.
Press and hold TEST button for 1 second to
carry out continuous measurement. Output
insulation resistance testing voltage, TEST button
light up, blinks on every 0.5 seconds.
Press TEST button to close the insulation resistance
measurement voltage when measurement is
completed. TEST button lights off, disappears.
The LCD shows the current insulation resistance
measurement value.
Press TIME button to select timed measurement
mode, the LCD displays TIME 1 and symbols.
Press and buttons to set the time (00:10~15:00).
Within 1 minute, the time increment or decrement
by every 5 seconds. Afterward, the time increment
or decrement by every 30 seconds.
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