A 1322 / A 1422
Measurements
22
5.6 Polarity / Active Polarity test
Refer to chapter
Measurements – Single tests for appliances
, paragraph
Polarity test
in master instrument user manual for detailed information.
The Polarity test verifies integrity of extension cords, cable reels with distribution
sockets and similar.
The standard (normal) polarity test is suitable for cords without built-in active protection.
In case that tested item is equipped with active switch (RCD or similar) that requires
voltage for normal operation, the active polarity test shall be applied.
Procedure:
Item Comment
Prepare test system.
See
chapter 4.3 Working with
the adapter.
Connect EB/S (or S/C1) terminal on master
instrument to the EB terminal on the adapter A
1322 / A 1422.
See
figures below.
Connect tested power cord to proper test
sockets.
See
figures below.
Select test type [normal or active].
Regarding the type of cord.
Start measurement on the master instrument.
If Active polarity, turn on switch on protected
cord.
To turn on the active switch.
Wait until measurement is finished.
Check result(s).
Store result(s).
Optional
Figure 5.6:
Normal polarity test
