Safety Precautions
This instrument has been designed and tested
for Measurement Category I, Pollution Degree
2, in accordance with EN/IEC 61010-1:2001
and CAN/CSA-C22.2 No. 61010-1-04 (in
-
cluding approval). It has been supplied in a
safe condition. The user must have acquired
adequate knowledge of it by thoroughly
studying this manual.
To ensure the correct and safe operation of the
instrument, it is essential that you follow gen
-
erally accepted safety procedures in addition
to the safety precautions specified in this man
-
ual.
The instrument is designed to be used by
trained personnel only. Removing the cover
for repair, maintenance, and adjustment of the
instrument must be done by qualified person-
nel who are aware of the hazards involved.
The warranty commitments are rendered
void if unaut h o rized access to the interior
of the instrument has taken place during
the given warranty period.
Caution and Warning
Statements
CAUTION: Shows where incorrect
procedures can cause damage to,
or destruction of equipment or
other property.
WARNING: Shows a potential danger
that requires correct procedures or
practices to prevent personal in
-
jury.
Symbols
Shows where the protective ground
terminal is connected inside the instrument.
Never remove or loosen this screw.
This symbol is used for identifying the
functional ground of an I/O signal. It is always
connected to the instrument chassis.
Tells the operator to consult the
manual.
Example:
One such symbol is printed on the instrument
below the A and B inputs. It indicates that the
damage level for the input voltage decreases
from 350 V
p
to 12 V
RMS
whenyouswitchthe
input impedance from 1 MW to 50 W.
Safety Precautions 1-3
Introduction
Do not overlook the safety instruc
-
tions!
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