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COMBI521
EN - 71
13. Note the presence of the correct voltage values between
L-N 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
pfc
I
ZL-PE
=
=
- - -
- - -
A
FREQ. = 50.00Hz
VL-PE=232V
VL-N=231V
L-PE Ut 16A 0.2s
FUNC
MODE MCB-C Time
14. 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
at 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
pfc
I
ZL-PE
=
=
- - -
- - -
A
FREQ. = 50.00Hz
VL-PE=232V
VL-N=231V
Measuring…
L-PE Ut 16A 0.2s
FUNC
MODE MCB-C Time
15. In case of
positive
result (calculated minimum short-
circuit current HIGHER than tripping current of the
protection device within the specified time – see § 12.6),
the “
OK
” message and the screen to the side are
displayed by the instrument.
L O O P
15/10 – 18:04
TN
min
pfc
I
ZL-PE
=
=
214
1.03
A
FREQ. = 50.00Hz
VL-PE=232V
VL-N=231V
OK
L-PE Ut 16A 0.2s
FUNC
MODE MCB-C Time
16. In case of
negative
result (calculated minimum short-
circuit current LOWER than tripping current of the
protection device within the specified time – see § 12.6),
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
pfc
I
ZL-PE
=
=
1695
0.13
A
FREQ. = 50.00Hz
VL-PE=232V
VL-N=231V
NOT OK
L-PE Ut 16A 0.2s
FUNC
MODE MCB-C Time
17. 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.
Содержание COMBI521
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