Prior to measurement ensure that the test leads and
instrument are in perfect condition.
The measurement instrument is only to be used for
the specified measurement ranges.
If the operator's safety is no longer ensured the in-
strument is to be put out of service and protected
against use.
The safety is no longer ensured if the instrument:
• shows obvious damages
• does not carry out the desired measurements
• has been stored for too long under unfavorable con-
ditions
• has been subjected to mechanical stress during
transport.
Prior to opening, disconnect the instrument from all
measurement circuits.
Any interventions such as fuse replacement may on-
ly be carried out by authorized personnel.
Health and Safety Regulations pertaining to Electrical
Systems must be strictly observed for all tasks.
To ensure correct functioning and long life cycle of
the instrument avoid exposure to direct sunlight.
3.1 Appropriate Usage
The instrument may only be used under those conditions
and for those purposes for which it was conceived. For
this reason, in particular the safety references, the techni-
cal data including environmental conditions and the usage
in dry environments must be followed.
When modifying or changing the instrument, the op-
erational safety is no longer ensured.
12