A 1322 / A 1422
Measurements according to IEC / EN 60974-4
26
6 Measurements according to IEC / EN 60974-4 (A 1422 only)
6.1 Continuity of the protective circuit
Refer to chapter
Measurements – Single tests for welding machines
,
paragraphs
Continuity of the protective circuit
in master instrument user
manual for detailed information.
Procedure:
Item Comment
Prepare test system.
See
chapter 4.3 Working
with the adapter.
Compensate test leads resistance (if necessary).
See
chapter 5.1.1
Compensation of test
leads resistance.
Connect power supply plug of tested welding
machine into proper test socket.
Connect Earth Bond probe to the enclosure of the
welding machine.
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 6.1:
Continuity of the protective circuit measurement
Note
:
Consider displayed warnings before starting measurement!
6.1.1 Compensation of test leads resistance
Description in chapter
5.1.1 Compensation of test leads resistance
can be used as
reference.
