2. Safety
2.7 Ignition hazard analysis
Relevant identified ignition
hazards
Hot surfaces
Mechanically generated sparks
and hot surfaces
Stray electric currents, cathodic
corrosion protection
Static electricity
Exothermic reactions, including
self-ignition of dusts
WIKA operating instructions pressure gauge, model 2 per ATEX
Implemented protective measures
The actual surface temperature depends
■
on the application, i.e. on the medium
temperature
Temperature range marking; T range
■
marking
Observation of legibility of marking
■
▶
Information given in operating instructions
Low contact speed
■
Limitation of vibration
■
Selection of suitable materials
■
▶
Information given in operating instructions
Grounding via process connection required
■
▶
Information given in operating instructions
No propagating brush discharge
■
All conductive parts bonded
■
Limitation of projected area of non-conduc-
■
tive parts
Limitation of layer thickness of non-conduc-
■
tive parts
Grounding via process connection required
■
Description of cleaning process
■
▶
Information given in operating instructions
Provision of material data of the wetted
■
parts for the customer in order to avoid the
use of critical media
▶
Information given in operating instructions
EN
19