A 1322 / A 1422
Measurements according to IEC / EN 60974-4
33
6.8 Touch leakage current
Refer to chapter
Measurements – Single tests for welding machines
,
paragraph
Touch leakage current
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 welding
machine into proper test socket.
Connect probe to accessible isolated conductive
part of the welding machine.
See
figure below.
Enable L-N change (for single-phase welding
machines)
Optional
Start measurement on the master instrument.
Wait until measurement is finished or stop the
measurement.
Check result(s).
Store result(s).
Optional
Figure 6.8:
Touch leakage current measurement
Warning:
During the test, DUT is powered as for normal operation. Pay attention on
possible electric shock!
Note:
Consider any displayed warning before starting measurement!
