OmegaPATPlus / BetaPATPlus Measurements
43
RCD auto test result example (
5
×
I
Δ
N
, 0
0
)
After resetting the RCD, the autotest sequence automatically proceeds with the
next step.
Step 5
Trip-out time measurement with the following measurement parameters:
Ì
test current of ½
×
I
Δ
N
,
Ì
test current started with the positive half-wave (from 0
0
).
Measurement does
NOT
normally trip an RCD. The following menu is displayed
after an autotest sequence has been completed:
RCD autotest results
The test passes if the RCD:
Ì
does not trip out at ½
×
I
Δ
N
tests,
Ì
trips within the predefined limits at I
Δ
N
, and 5
×
I
Δ
N
tests and a PASS indication is
displayed.
If all of these conditions have been met, a PASS indication is dispayed.
The measurement procedure can be aborted at any time by pressing ESC key.
Notes:
Ì
Consider any displayed warning before starting measurement!
Ì
For appliances with integrated RCD the housing must be opened to access the
RCD’s L output terminal (this should only be performed by a competent
engineer).
Ì
Mains voltage is applied to the device under test. Do not touch the equipment
under test or the test leads during the test.