2. Safety
2.5 Labelling / safety marks
Dial
ATEX marking:
EN
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
Product label
Model
Article number
Permissible ambient temperature
Date of manufacture (month/year)
2.6. Special conditions for safe use (X conditions)
Pressure surges must be avoided at all costs. Open the shut-off valves slowly.
Temperature increases due to compression warming absolutely must be taken
into account. In these cases it may be necessary to throttle the rate of change
of pressure or reduce the permissible medium temperature.
8
Before mounting and commissioning the pressure gauge,
ensure you read the operating instructions!
The instrument bearing this mark is a safety pressure gauge with a
solid baffle wall in accordance with EN 837.
WIKA operating instructions pressure gauge, model 4 per ATEX