Benning ST 755, Operating Manual

Page: 69 / 104

61
15.12 ICont weld.
– Contact current of the welding
circuit
VDE 0701-0702
VDE 0751-1 /
EN 62353
VDE 0544-4 /
EN 60974-4
Class Class Class Class Class Class Class
I II III I II I II
- - - - - X X
Explanation
The contact current of the welding circuit is tested to check for
compliance with the rated values of devices according to
VDE 0544-4 .
The test socket is supplied with mains voltage.
Application
Class I, ICont weld.
Direct current measuring method
Connection diagram
VDE 0701-0702
Circuit diagram
VDE 0701-0702

Insert the shock-proof plug of the portable test sample into the
test socket of the appliance tester.

The test sample is supplied with mains voltage.

Use the test probe to scan the poles of the output side.

The current testing current is shown on the display of the
appliance tester.
Class II, ICont weld.
Direct current measuring method
Connection diagram
VDE 0701-0702
Circuit diagram
VDE 0701-0702

Insert the shock-proof plug of the portable test sample into the
test socket of the appliance tester.

The test sample is supplied with mains voltage.

Use the test probe to scan the poles of the output side.

The current testing current is shown on the display of the
appliance tester.
Measurement

Connect the mains plug of the test sample to the test socket of
the appliance tester.
 Tap the “
Start
” button.

Move the test probe to both poles of the secondary side one after
the other.
 Tap the “
L<->N
” button to reverse the polarity of the
test socket.

Move the test probe to both poles of the secondary side again.

Check the measured values for compliance with the prescribed
limits.

Tap the “
Stop
” button to stop the test.
The “
Test result
” screen opens.