WIKA 732.14.100 Manual De Instrucciones página 9

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2. Safety
Designation
1
Ex marking
2
Ignition protection type
Suitable atmosphere
3
4
Maximum surface
temperature
5
EPL equipment protection
level
6
Specific conditions of use,
see operating instructions
WIKA operating instructions pressure gauge model 7 per ATEX
Marking Meaning
Ex
Standards ISO 80079-36 and
ISO 80079-37 applied.
h
Non-electrical equipment for use in explosi-
ve atmospheres.
An ignition protection type is not applied to
the letter "h".
IIC
Gas atmosphere group IIC.
IIIC
Combustible flyings, non-conductive dust
and conductive dust.
T6 ... T1
Symbol indicating the temperature class.
The actual maximum surface temperature
depends not on the equipment itself, but
mainly on the operating conditions.
T85°C ...
Maximum surface temperature
T450°C
The actual maximum surface temperature
depends not on the equipment itself, but
mainly on the operating conditions.
Gb
Potential ignition sources that are effective
or may become effective during normal
Db
operation and expected malfunction.
X
Ambient temperature with special range.
Specific conditions of use apply.
EN
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732.51.100

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