HT 400 Series, Руководство пользователя

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400 Series
EN - 29
6. While performing the test,
the instrument supplies a
leakage voltage according to
the multiplier and to the
phase indicated on the
display. From the third test
on, the RDC should trip and,
subsequently, the operator
will have to reset it
R C D
0° 180°
x 1 / 2 > 9 9 9 m s > 9 9 9 m s
x 1 2 8 m s
- - - m s
x 5 - - - m s - - - m s
FRQ=50.0Hz Ut=1.4V
VP-N=228V VP-Pe=228V
Tripping times of the RCD at the
different currents provided for in the
test
RESUME RCD
The operator is asked to resume the
RCD
AUTO 30mA 50V
Func IdN RCD UL
7. Once test is completed, in
case all six tests have had a
positive result, the
instrument displays a screen
similar to the one reported
here to the side
R C D
0° 180°
x 1 / 2 > 9 9 9 m s > 9 9 9 m s
x 1 2 8 m s
3 1 m s
x 5 8 m s 1 0 m s
FRQ=50.0Hz Ut=1.4V
VP-N=228V VP-Pe=228V
Tripping times (expressed in ms)
RCD OK
AUTO 30mA 50V
Func IdN RCD UL
8.
The results displayed can be saved by pressing the
SAVE
key twice or the
SAVE
key and, subsequently, the
ENTER
key (§ 8.1)
6.4.2. x½ mode
As an alternative:
5.
Press the
GO/STOP
key on the instrument or the
START
key on
the remote probe once. The instrument will start measuring with
a “0°” type current, injecting a current in phase with the positive
half-wave of voltage.
Or:
5.
Press the GO/STOP key on the instrument twice or the START key
on the remote probe before the hyphens disappear. The instrument
will start measuring with a “180°” type current, injecting a current in
phase with the negative half-wave of voltage.
CAUTION
If message “
Measuring…
” appears on the display, the instrument is
performing measurement. During this whole stage, do not disconnect the
test leads of the instrument from the mains.