A 1322 / A 1422
Measurements according to IEC / EN 60974-4
31
6.6 Welding circuit leakage current
Refer to chapter
Measurements – Single tests for welding machines
,
paragraph
Welding circuit 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 welding terminals to W1 and W2 terminals
on A 1422.
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 6.6:
Welding circuit leakage currrent 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!
