ENGLISH
Commissioning / Voltage Measurement
45
5.0 Commissioning
General Information to carry out
measurements
Measurements in dangerous
proximity of electrical systems
are only to be carried out in
compliance with the instruc-
tions of a responsible electro-
nics technician, and never
alone.
Prior to usage check the voltage
testers for perfect functioning
on a known voltage source.
Test leads and test probes may
only be touched at handle sur-
faces provided. Absolutely avoid
the direct contact of the test
probes. Prior to switching to a
new measurement range or a
new type of measurement,
remove all connections from
UUT.
The instruments may only be
used in current circuits protec-
ted at 16 A up to a nominal vol-
tage of 600 V AC/1000 V DC.
5.1 Voltage Measurement
To avoid electrical shock, the
valid safety measures and VDE
directives strictly have to be met
concerning excessive contact
voltage when working with vol-
tages exceeding 120 V (60 V) DC
or 50 V (25 V)rms AC. The values
in brackets are valid for limited
areas (such as e.g. medicine,
agriculture).
PTDB93497000.qxd:PTDB93494-04.qxd 14.01.2009 15:23 Uhr Seite 45