A 1322 / A 1422
Measurements
19
5.3 Insulation resistance (S-probe) and substitute leakage current (S-
probe) measurements
Refer to chapter
Measurements – Single tests for appliances
, paragraph
Insulation resistance (S-probe)
in master instrument user manual for detailed
information.
Refer to chapter
Measurements – Single tests for appliances
, paragraph
Substitute leakage current (S-probe)
in master instrument user manual for
detailed information.
Procedure:
Item Comment
Prepare test system.
See
chapter 4.3 Working
with the adapter.
Connect power supply plug of tested appliance into
proper test socket.
Connect probe to accessible isolated conductive
part of the CLASS II appliance.
See
figure below.
Prepare and start measurement on the master
instrument.
Wait until measurement is finished or stop the
measurement.
Check result(s).
Store result(s).
Optional
Figure 5.3:
Insulation resistance (S-probe) and substitute leakage current (S-probe)
measurements (on class II device or class II parts)
Notes:
Consider any displayed warning before starting measurement!
Do not touch / disconnect the DUT during the insulation resistance measurement
or before it is fully discharged! The message »
Discharging…
« will be displayed
while the voltage on the DUT is higher than 20 V!
