MI 3321 MultiservicerXA
Single tests in PAT testing mode
52
Test parameters for insulation resistance measurement
OUTPUT
Test
voltage
[250 V, 500 V]
LIMIT
Minimum resistance
[0.10 M
, 0.25 M
, 0.50 M
, 1.00 M
, 2.00
M
, 4.00 M
, 7.00 M
, 10.00 M
, none]
TIME
Measuring time
[5 s, 10 s, 30 s, 60 s, 120 s, none]
Test circuits for Insulation - S resistance measurement
Measurement of insulation resistance of class II DUT
Measurement of insulation resistance of accessible isolated conductive parts of fixed
installed DUTs
Insulation resistance S measurement procedure
Select the
Insulation resistance S
function.
Set test
parameters
.
Connect
device under test to the instrument (see figures above).
Connect
S/C1 probe to accessible conductive parts of the DUT
For
fixed equipment
:
Disconnect mains
supply of the fixed equipment;
Connect
LN test socket of the instrument to L/N terminals of the fixed equipment;
Connect
S/C1 probe to accessible conductive parts of the fixed installed DUT
Press the
START
key for measurement.