WIKA 232.50.100 Betriebsanleitung Seite 15

2. Safety
ID Marking Designation
2 h Ignition protection type
3 IIC Suitable atmosphere
IIIC
4 TX Maximum surface
temperature
5 Gb EPL equipment protec-
tion level
Db
X Specific conditions
6
of use, see operating
instructions
WIKA operating instructions pressure gauge, model 2 per ATEX
Meaning
Non-electrical equipment for use in explo-
sive atmospheres
An ignition protection type is not applied to
the letter "h".
Gas atmosphere group IIC
Combustible flyings, non-conductive dust
and conductive dust
Symbol indicating the temperature class
The actual maximum surface temperature
depends not on the equipment itself, but
mainly on the operating conditions.
Potential ignition sources that are effective
or may become effective during normal
operation and expected malfunction.
Ambient temperature with special range.
Specific conditions of use apply.
EN
15