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WIKA operating instructions Ultra High Purity transducer, model WUD-2x
11611057.05 08/2021 EN/DE
EN
3. Safety
3.6 Ex marking
DANGER!
Danger to life due to loss of explosion protection
Non-observance of these instructions and their contents may result in the loss of explosion
protection.
▶
Observe the safety instructions in this chapter and further explosionprotective instruc-
tions in these operating instructions.
▶
Observe the information given in the applicable type examination certificate and the
relevant country-specific regulations for installation and use in hazardous areas (e.g.
IEC 60079-14, NEC, CEC).
Check whether the classification is suitable for the application. Observe the relevant national regulations.
NI CL I DIV 2 Grp A, B, C, D
Marking
Designation
Significance
NI
Non-incendive
Non-incendive
CL I
Class 1
Explosive gases, vapours
DIV 2
Divison 2
Temporarily hazardous
Grp A, B, C, D
Explosion groups A, B, C, D
All gases and vapours
Temperature class
Maximum permissible ambient temperature
T4
-10 ... +60 °C [14 ... 140 °F]
T5
-10 ... +60 °C [14 ... 140 °F]
T6
-10 ... +40 °C [14 ... 104 °F]