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WIKA NS 160 Manual De Instrucciones página 9

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2. Safety
Designation
1
Ex marking
2
Ignition protection type
3
Suitable atmosphere
4
Maximum surface
temperature
5
EPL equipment protection
level
6
For specific conditions
of use, see operating
instructions
WIKA operating instructions pressure gauge model 5 per ATEX
All manuals and user guides at all-guidesbox.com
Marking Meaning
Ex
Standards ISO 80079-36 and ISO 80079-37
applied.
h
Non-electrical equipment for use in explosive
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 operati-
Db
on and expected malfunction.
X
Ambient temperature with special range.
Specific conditions of use apply.
EN
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Este manual también es adecuado para:

Ns 1005