METREL A 1322, Инструкция по эксплуатации

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A 1322 / A 1422 Measurements with A 1422
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6.2 Insulation resistance (welding circuit to protective circuit)

Refer to master instrument Instruction manual, chapter Single test
measurements , subchapter Insulation resistance Riso (Welding equipment)
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 6.2.

Select Riso (Rw) test function on the master
instrument.

Set Test parameter to W-PE.

Start measurement.

Wait until measurement is finished or stop the
measurement.

Check result(s).

Store result(s). Optional
Figure 6.2: Insulation resistance (welding circuit to protective circuit) measurement
Notes:

Consider any warning on the display before starting the measurement!

Do not touch or disconnect the DUT during the insulation resistance
measurement or before it is fully discharged!