TIMER
SET
TIMER
SET
TIMER
SET
-21- -22-
5. When the measurement is completed at TIME2, the high
voltage light get off and the sound of the high voltage stop.
Turn test button back to the original position anticlockwise,
the rate (insulation resistance of TIME2/ insulation resista-
nce of TIME1 )display as below:
6. Press the “ ”button at the first time: LCD display the
insulation resistance value of TIME1 like the followed
picture:
Press the “ ” button at the second time: LCD will
display the insulation resistance value of TIME2 like the
followed picture:
Polarization
index
4 or more
Criteria
Very good
Good
Dubiouts
Unsatisfactory
4- 2.0 2.0- 1.0 1.0 or les
Caution
The data shown in the operation instruction are merely
a example to illustrate, please refer to the value obtained
in your practice.
Polarization index=
Resistance value in 10 min (TIME2)
Resistance value in 1 min (TIME1)
7.Polarization index measurements usually set TIME 1 to
1 min. set TIME2 to10min.
Press the “ ”button at the third time, LCD will display
the Polarization index value.
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