Special Hazards; Labelling / Safety Marks - WIKA 432.50.100 Betriebsanleitung

2. Safety

2.5 Special hazards

EN
Instruments with PTFE lining
For additional important safety instructions see chapter 2.4 "Specifications and temperature
limits".

2.6 Labelling / Safety marks

Dial
ATEX marking:
„
II 2 G c IIC Tx x (for instruments without PTFE lining)
II 2 G c IIB Tx x (for instruments with PTFE lining)
II 2 D c Tx x
Serial number
„
The legibility of the marking must be observed during time in use but at least during inspec-
tion periods of three years. If any harm of the legibility is found please contact the manufac-
turer to renew the marking.
Product label



8
WARNING!
For hazardous media such as oxygen, acetylene, flammable or toxic gases or
liquids, and refrigeration plants, compressors, etc., in addition to all stand-
ard regulations, the appropriate existing codes or regulations must also be
followed.
WARNING!
Media which can become electrostatically charged are not permissible for
instruments with PTFE lining.
▶ Select media that do not generate any electrostatic charge.
WARNING!
Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment.
▶ Take sufficient precautionary measures.
WIKA operating instructions pressure gauge, model 4 per ATEX
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