D) Compare Function - UNI-T UT511 Operating Manual

Model UT511: OPERATING MANUAL
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Press , to set through the polarization index,
TIME 2 insulation resistance reading and TIME 2
insulation resistance reading.
Information:
PI = 3 minutes ~10 minutes reading / 30 second ~1
minutes reading
PI 4 or more 4~2
Standard The best Good
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Press COMP button to select compare feature.
COMP symbol displays on the LCD.
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Press , and STEP buttons to set the compare
value. The minimum value is 1M The maximum
value is the maximum tested voltage allowable
measurement value.
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Press and hold TEST button for 1 second to carry
out the measurement.
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The NG symbol will display if the insulation resistance
value is smaller than resistance value. Otherwise
GOOD symbol will be displayed.
2.0~1.0 1.0 or less
Warning Bad
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