WIKA GDT-20 Mode D'emploi page 30

3. Safety
state of the system (only model GDHT-20). All stated parameters can be read from the
Modbus protocol via the RS-485 interface.

The models GDT-20 or GDHT-20 transmitters are therefore used for permanently
monitoring the stated status parameters in gas tanks or gas compartments.
EN
The instrument has been designed and built solely for the intended use described here,
and may only be used accordingly.
The technical specifications contained in these operating instructions must be obser-
ved. Improper handling or operation of the instrument outside of its technical specifica-
tions requires the instrument to be taken out of service immediately and inspected by an
authorised WIKA service engineer.
The manufacturer shall not be liable for claims of any type based on operation contrary
to the intended use.
3.3 Personnel qualification
Skilled personnel
Skilled personnel are understood to be personnel who, based on their technical training,
knowledge of measurement and control technology and on their experience and
knowledge of country-specific regulations, current standards and directives, are capab-
le of carrying out the work described and independently recognising potential hazards.
Special operating conditions require further appropriate knowledge, e.g. of aggressive
media.
3.4 Safety instructions for use in switchgear
The plant operator must ensure that the handling of SF
a qualified company or by qualified persons who have been specifically trained in
accordance with IEC 62271-4 or IEC 60480, section 10.3.1.
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WARNING!
Risk of injury should qualification be insufficient!
Improper handling can result in considerable injury and damage to property.
▶
The activities described in these operating instructions may only be carried
out by skilled personnel who have the qualifications described below.
▶
Keep unqualified personnel away from hazardous areas.
WARNING!
Residual media in the dismounted transmitter can result in a risk to
persons, the environment and equipment.
Take sufficient precautionary measures.
Aggressive media may be present should a failure occur.
WIKA operating instructions transmitter, models GDT-20 and GDHT-20
gas is only carried out by
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