![Gossen MetraWatt METRALINE PAT Скачать руководство пользователя страница 13](http://html.mh-extra.com/html/gossen-metrawatt/metraline-pat/metraline-pat_operating-instructions-manual_2247297013.webp)
GMC-I Messtechnik GmbH
13
10.1.3 RPE – Permanently Connected DUTs
In the case of permanently connected
devices: supply the test instrument with volt-
age from the DUT’s electrical circuit if possi-
ble.
In this way, PE is measured via the test
instrument’s mains connection, the installa-
tion in the system and the DUT’s mains con-
nection.
For this reason, the limit value is higher than
it is in the case of direct measurement.
Connection
➭
Connect the probe to the red probe
socket.
➭
Switch the device under test on.
Procedure
➭
Press the
R
SL
key.
➭
Select the “
Permanent Connection
” menu
with the help of the
scroll keys.
➭
Start the measurement by pressing the
OK
key.
➭
Contact the DUT’s housing with the
probe.
➭
Move the mains power cord.
➭
Contact all parts connected to PE with
the probe.
➭
If the respective measured value is
smaller than the specified limit value, this
is indicated acoustically,
OK
appears at
the display and the
LED lights up
green.
➭
You can repeat the measurement by
pressing the
scroll key (reset), after
which the LED
goes out.