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POLARIZATION INDEX (PI) TESTING
Read and understand all operations and safety information contained in the Insulation Resistance
(IR) measurement section above and the Safety section before continuing.
1.
Connect the meter to the device under test as shown in the test section above.
2.
Select the desired output test voltage using the rotary function switch (250/500/1000V).
3.
Use the PI/DAR button to access the PI test mode.
4.
The display will show the PI icon when the PI mode is successfully accessed.
5.
The two test times (Time1 and Time2) will alternately show on the upper right.
6.
The first test will run for 1 minute (Time1) when the TEST button is pressed. If the test fails
(no is displayed) the second test will not automatically run and testing is now complete. If
the test passes (YES is displayed) the Time2 test will run for 10 minutes.
7.
The test result will display after the 10‐minute Time2 interval
8.
Press the TEST button to stop the test and to begin discharging the device under test.
DIELECTRIC ABSORPTION RATIO (DAR) TESTING
Read and understand all operations and safety information in the Insulation Resistance (IR)
measurement section above and in the Safety section before continuing.
1.
Connect the meter to the device under test as shown in the IR test section above.
2.
Select the desired output test voltage using the rotary function switch (250/500/1000V).
3.
Use the PI/DAR button to access the DAR test mode.
4.
The display will show the DAR icon when the DAR mode is successfully accessed.
5.
The first two test times (Time1 and Time2) will alternately show on the upper right.
6.
The first test will run for 30 seconds (Time1) when the TEST button is pressed. If the test
fails (no is displayed) the second test will not automatically run and testing is now complete.
If the test passes (YES is displayed) the Time2 test will run for 1 minute. The test result will
display after the 1‐minute Time2 interval
7.
To access the second set of Time1 and Time2 tests press the DAR button three times and
repeat the same steps above in this section. For the 2
seconds (Time1) and 1 minute (Time2).
8.
When completed press the TEST button to stop the test and to begin discharging
nd
set of tests the times are 15
7
MG310-en-GB_V1.0 12/15
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