Personnel Qualification; Special Hazards - WIKA TFS35 Mode D'emploi

2. Safety
The bimetal temperature switch 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 observed.
GB Improper handling or operation of the instrument outside of its technical specifications
requires the bimetal temperature switch 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.

2.2 Personnel qualification

WARNING!
Risk of injury should qualification be insufficient!
Improper handling can result in considerable injury and damage to equipment.
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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 capable of carrying out
the work described and independently recognising potential hazards.
Special operating conditions require further appropriate knowledge, e.g. of aggressive
media.

2.3 Special hazards

WARNING!
For hazardous media such as oxygen, acetylene, flammable or toxic gases or
liquids, and refrigeration plants, compressors, etc., in addition to all standard
regulations, the appropriate existing codes or regulations must also be followed.
WARNING!
Protection from electrostatic discharge (ESD) required.
The proper use of grounded work surfaces and personal wrist straps is required
when working with exposed circuitry (printed circuit boards), in order to prevent
static discharge from damaging sensitive electronic components.
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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.
WIKA operating instructions model TFS35