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Buzzer
The buzzer will sound when:
Voltage above the ELV threshold (50V) is
present,
or AC voltage is detected when used as a
single pole phase tester,
or circuit continuity is detected.
3.2 Auto-power On/Off
The voltage tester automatically powers on
when it detects continuity, AC or DC voltage
>10V approx. or a live phase on probe L2
(single pole test).
The voltage tester will automatically power
off 5 seconds after ceasing to detect voltage
or continuity.
3.3 Torch
Pressing the torch button
torch and power up the voltage tester.
The torch will automatically power off after 10
seconds.
3.4 Low Battery Check
Before and after each use short the test
probes of the voltage tester together.
On the VT25, check for an audible tone and
a bright RX LED
If there is no audible tone or the RX LED is
faint the batteries need to be replaced (see
section 4.1 Battery Replacement).
On the VT28 if the batteries need replacing
will be displayed in the top left corner of
the LCD.
Do not use the unit if the batteries need
replacing.
3.5 Removable Probe Tip Covers
The probes are fitted with removable probe
tip covers
with GS38.
Where access to test points may require
extended probe tips, the probe tip covers
may be removed.
Where possible is advisable to keep these
shrouds fitted. If removed, great care must be
taken when using the voltage tester on CAT
III and CAT IV installations to avoid the risk of
shorting high energy circuits and arc flash.
8
10
allowing the probes to comply
14
will turn on the
5
indication.
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