Polarization Index (Pi); Dielectric Absorption Ratio; Capacitance - Fluke 1550C Manual Del Usurario

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3. Push  to call the menu item.
4. Push  or  to select the time.
5. Push  or  to use the settings.  starts the test.

Polarization Index (PI)

As part of the insulation test, the Tester measures and stores polarization index
(PI), when appropriate. A polarization index test requires 10 minutes to
complete. Therefore, the Tester will start a countdown at 10 minutes. When an
insulation test is 10 minutes or more, the polarization test is completed and
stored. The results are available for display during a test by pushing the 
button or by storing the test results and scanning the RESULTS fields. The
field is identified by PI.
R
=
PI

Dielectric Absorption Ratio

As part of the insulation test, the Tester measures and stores dielectric
absorption ratio (DAR), when appropriate. A DAR test requires 1 minute to
complete. Therefore, it is measured and stored as invalid data for all insulation
tests less than 1 minute. When an insulation test is 1 minute or more the DAR
test is included in the results. The results are available for display during a test
by pushing the  button or by storing the test results and scanning the
RESULTS fields. The field is identified by DAR.
=
DAR

Capacitance

As part of the insulation test, the Tester measures and stores capacitance when
appropriate. The results are available for display during a test by pushing the
 button or by storing the test results and scanning the RESULTS fields.
The field is identified by C.
×
10
min
×
R
1
min
×
R
1
min
×
R
30
sec
Insulation Tester
Measurements
19
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1555

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