![Gossen MetraWatt METRALINE PAT Скачать руководство пользователя страница 27](http://html.mh-extra.com/html/gossen-metrawatt/metraline-pat/metraline-pat_operating-instructions-manual_2247297027.webp)
GMC-I Messtechnik GmbH
27
10.5
U – Testing the DUT (ELV) in the
Presence of Line Voltage
Connection
➭
Insert the test object’s mains plug into
the test socket.
➭
Connect the first probe to the black GND
socket.
➭
Connect the second probe to the red
probe socket.
Procedure
➭
Press the
U
key.
➭
Turn off the device under test.
➭
Switch line voltage to the test socket by
pressing the
OK
key.
As soon as line voltage is applied to the test
socket, the LED for the high-voltage arrow
lights up red.
➭
Review the default parameter for “ELV
Parts”, select it if necessary using the
scroll keys and adjust it to the mo-
mentary value (“Yes” or “No”) using the
scroll keys.
➭
Contact the DUT’s voltage output with
both probes.
➭
If the parameter for “ELV Parts” is set to
“Yes” and if the measured value is be-
tween the specified min. and max. val-
ues,
OK
appears at the display.
➭
You can repeat the measurement by
pressing the
scroll key (reset), after
which
OK
disappears briefly until the next
measurement is performed.
Ending the Test
➭
Press the
U
key in order to end the test
and disconnect the test socket from the
mains.