HT COMBI521, Руководство пользователя

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COMBI521
EN - 65
5. Note the correct voltage values between L-N and L-PE as
shown in the screen to the side.
A U T O
15/10 – 18:04
T N
I s c = - - - A Z L - N = - - - Ω
I f c = - - - A Z L - P E = - - - Ω
F R E Q = 5 0 . 0 0 H z
V L - N = 2 3 2 V V L - P E = 2 3 1 V
Ra 3Wire 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
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.
A U T O
15/10 – 18:04
T N
I s c = - - - A Z L - N = - - - Ω
I f c = - - - A Z L - P E = - - - Ω
F R E Q = 5 0 . 0 0 H z
V L - N = 2 3 2 V V L - P E = 2 3 1 V
Measuring...
Ra 3Wire 16A 0.2s
FUNC MODE MCB-C Time
7. In case of
positive result ( Z
L-PE
≤ to limit impedance
relative to protection device within the specified
time
– see § 12.10), the “ OK ” message and the screen to
the side are displayed by the instrument.
A U T O
15/10 – 18:04
T N
I s c = 1 3 6 5 A Z L - N = 0 . 1 6 Ω
I f c = 1 2 1 3 A Z L - P E = 0 . 1 8 Ω
F R E Q = 5 0 . 0 0 H z
V L - N = 2 3 2 V V L - P E = 2 3 1 V
OK
Ra 3Wire 16A 0.2s
FUNC MODE MCB-C Time
8. In case of
negative result ( Z
L-PE
> to limit impedance
relative to protection device within the specified
time
– see § 12.10), the “ NOT OK ” message and the
screen to the side are displayed by the instrument.
A U T O
15/10 – 18:04
T N
I s c = 8 9 A Z L - N = 2 . 0 6 Ω
I f c = 8 8 A Z L - P E = 2 . 0 8 Ω
F R E Q = 5 0 . 0 0 H z
V L - N = 2 3 2 V V L - P E = 2 3 1 V
NOT OK
Ra 3Wire 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.