A 1322 / A 1422
Measurements according to IEC / EN 60974-4
32
6.7 Primary leakage current, functional test
Refer to chapter
Measurements – Single tests for welding machines
,
paragraph
Primary 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.
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 6.7:
Primary 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!
