Using The Phe3... Voltage Detector In An Installation - Dehn PHE III Gebrauchsanleitung

6.2

Using the PHE3... voltage detector in an installation

After performing a functional test, the green indicator light is permanently illuminated, meaning that
the voltage detector is ready for testing. Now move the electrode / test electrode of the PHE3...
voltage detector towards the part of the installation to be tested within a period of 90 ... 120
seconds.
The relevant voltage / operating state of the part of the installation to be tested is now indicated via
the indication signals of the voltage detector (see Fig. 6.1 and Table 6.1, page 10).
The voltage test may only be performed as long as the green indicator light is permanently illuminated,
that is the voltage detector is operational. As soon as the voltage detector is no longer operational
(see Pkt. 6.1, page 10), it switches off automatically.
If further tests are to be carried out, press the "TEST" button again to perform a functional test.
The PHE3... ivoltage detector is immediately ready for testing again (see 6.1 and Fig. 6.1, page
10).
If "voltage present" (red indicator light) is indicated, an electronic interlock prevents that the
detector automatically switches off during testing. After the test has been completed, the device
remains ready for testing (permanent green indicator light) as long as it is operational (see Fig. 6.1
and Table 6.1, page 10) to perform further tests.
Another functional test must be performed after testing.
6.3 PHE3... voltage detectros with nominal voltage selector switch
6.3.1 Principle of the nominal voltage selectors switch:
The nominal voltage selector switch can be switched into
two positions (see Fig. 6.3.1) to set the voltage detector
to the nominal voltage ranges 3...10 kV or 10...30 kV. The
nominal voltage selector switch is designed as a slide
switch.
Note:
Nominal voltage ranges of special versions may differ.
The movable inner part of the switch indicates the nominal
voltage range (see side inscriptions) of the switch (tester).
The switch snaps into the relevant position thus preventing
unintentional switching.
To move the switch, unlatch the switch by applying light pressure on the inner part. Now the switch
can be moved into another position.
The switch automatically snaps into the next switching position. For verifying safe isolation from
supply voltage, the switch must be snapped into the relevant position of the nominal voltage selector
switch! If the switch is situated between two positions, the PHE3... voltage detector will not operate
properly.
Pos. 1
3 ... 10 kV
Pos. 2
10 ... 30 kV
Fig 6.3.1 Nominal voltage
selector switch
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