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Device Features - Dehn PM 20 Bedienungsanleitung

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4. Device features

Note
see also page 37 ("Test procedure/commissioning") when dealing with pages 6 and 7
On-off switch
1
Laterally attached sliding switch for switching the PM 20 tester ON and OFF
Input socket for external DC supply
2
Nominal voltage range
Nominal power consumption
Test voltage output sockets
Negative pole:
3
Positive pole:
4
Test voltage output sockets serve the purpose of connecting a device under test (see pages 22 to 28)
or test adapter, e.g. PA BXT test adapter (see also pages 9 to 16), PA DRL test adapter (see also pages
17 to 21). In this context, the polarity of the test voltage may have to be considered for evaluating the
test result.
Test button
5
Testing is started by briefly pressing the Test button. This causes the test voltage to rise with 1000 V/s
until the device under test responds, i.e. the integrated test current monitoring system evaluates the
response behaviour, stores the test result and completes the test automatically.
Measured value indication in [V]
6
During testing, the value of the test voltage at the test voltage output sockets is displayed. After the
test has been completed, this value is stored until a new test is started or the PM 20 tester is switched
off. The low battery status is also shown on the display.
Warning
7
(see safety and
application notes,
page 3)
14
Serial number
8 to 12 DC supply, polarity:
max. 200 mA
black colour
red colour
Technical data
8
Operating parameters
(see Technical data,
page 6)
Accessory
Accessory
9
Test cable 1m,
Power supply unit
10
230 V; 50 Hz
11
Accessory
Safety test clips
black colour
black colour
12
red colour
13
red colour
7

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