MI 3321 MultiservicerXA
Switchgear testing operating mode
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10.2.2.3 Compensation of test leads resistance
Test leads compensation is required to eliminate the influence of test leads resistance
and instrument's internal resistance. If a compensation value is stored this is indicated
in the message. Refer to chapter
9.2.2.3 Compensation of test resistance
for more
information.
10.2.3 Insulation resistance
Insulation resistance between live conductors and accessible (earthed or isolated) metal
parts is checked. This test discloses faults caused by pollution, moisture, deterioration
of insulation metal etc.
Insulation resistance menu
Test parameters for insulation resistance measurement
OUTPUT
Test
voltage
[250 V, 500 V]
LIMIT
(Insulation)
Minimum resistance
[0.10 M
, 0.30 M
, 0.50 M
, 1.00 M
, 2.00
M
, 4.00M
, 7.00 M
, 10.00 M
, none]
TIME
Measuring time
[5 s, 10 s, 30 s, 60 s, 120 s, none]
