Personnel Qualification; Special Hazards - WIKA Obsolete 54 Manual De Instrucciones

2. Safety

2.2 Personnel qualification

WARNING!
Risk of injury if qualification is insufficient!
Improper handling can result in considerable injury and
damage to equipment.
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.
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 of independently recognising
potential hazards.

2.3 Special hazards

WARNING!
Residual media in dismounted instruments can result in
a risk to persons, the environment and equipment. Take
sufficient precautionary measures.
WARNING!
For filled instruments, make sure that the medium
temperature is lower than 250 °C.
Reason: The sheath also contains a filling liquid; at a
temperature > 250 °C, this liquid may become cloudy or
change colour or, in some cases, may ignite.
WIKA operating instructions model 54, Twin-Temp
GB
7