WIKA TW61 - Manual (Page 6)

11593963.03 03/2014 GB/D/F/E
6 WIKA operating instructions thermowell, model TW61
GB
2.2 Personnel qualification
WARNING!
Risk of injury should qualification be 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 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.
DANGER!
Make sure that the thermowell is sufficiently earthed.
2.4 Labelling, safety marking
2. Safety
Outer diameter x wall thickness
Tubular body
material
Material code
(complete assembly)
Identification of the qualified
inspector (for stamping)
CE marking (required
for DN > 25 mm)
Pipe standard
Hygiene class
max. nominal pressure