HT COMBI521, Руководство пользователя

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COMBI521
EN - 61
5. Note the presence of the correct voltage values between
L-L and L-PE corresponding to the selections carried out
in the initial phase (see § 5.1.3) as shown in the screen to
the side.
L O O P 15/10 – 18:04
TN
min
psc
I
ZL-L
=
=
- - -
- - -
A

FREQ. = 50.00Hz
VL-PE=223V
VL-L=387V
L-L TripT 16A 0.2s
FUNC MODE MCB-C Time
6. Press the
GO/STOP key on the instrument, the START
key on the remote switch probe or use the AutoStart
feature (see § 5.1.5). The instrument starts the
measurement and the “
Measuring… ” message is shown
on the display. During this whole stage, do not disconnect
the measuring leads of the instrument from the system
under test. The following screen appears on the
instrument's display.
L O O P 15/10 – 18:04
TN
min
psc
I
ZL-L
=
=
- - -
- - -
A

FREQ. = 50.00Hz
VL-PE=223V
VL-L=387V
Measuring…
L-L TripT 16A 0.2s
FUNC MODE MCB-C Time
7. In case of
positive result (minimum short-circuit current
interrupted by the protection device within the time
indicated by the performed selections), the “
OK ”
message and the screen to the side are displayed by the
instrument.
L O O P 15/10 – 18:04
TN
min
psc
I
ZL-L
=
=
212
1.03
A

FREQ. = 50.00Hz
VL-PE=223V
VL-L=387V
OK
L-L TripT 16A 0.2s
FUNC MODE MCB-C Time
8. In case of
negative result (minimum short-circuit current
NOT interrupted by the protection device within the time
indicated by the performed selections), the “
NOT OK ”
message and the screen to the side are displayed by the
instrument.
L O O P 15/10 – 18:04
TN
min
psc
I
ZL-L
=
=
1681
0.13
A

FREQ. = 50.00Hz
VL-PE=223V
VL-L=387V
NOT OK
L-L TripT 16A 0.2s
FUNC MODE MCB-C Time
9. Press the
SAVE key to store the test result in the instrument’s memory (see § 7.1) or
the ESC/MENU key to exit the screen without saving and go back to the main
measuring screen.