HT COMBI521, Руководство пользователя

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COMBI521
EN - 69
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
TT
R
A
Ut
=
=
- - -
- - -

V
FREQ. = 50.00Hz
VL-PE=232V
Measuring…
Ra 2Wire 30mA
FUNC MODE I

n
7. In case of
positive result ( overall earth resistance R
A
<
(Utlim/I

n ), the “ OK ” message and the screen to the side
are displayed by the instrument. The screen contains the
contact voltage value on the secondary display.
L O O P 15/10 – 18:04
TT
R
A
Ut
=
=
346
10.4

V
FREQ. = 50.00Hz
VL-PE=232V
OK
Ra 2Wire 30mA
FUNC MODE
I

n
8. In case of
negative result ( overall earth resistance R
A
>
(Utlim/I

n ), the “ NOT OK ” message and the screen to
the side are displayed by the instrument. The screen
contains the contact voltage value on the secondary
display.
L O O P 15/10 – 18:04
TT
R
A
Ut
=
=
1765
>50

V
FREQ. = 50.00Hz
VL-PE=232V
NOT OK
Ra 2Wire 30mA
FUNC MODE I

n
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.