Burkert 8185 Mise En Service page 39

Protection class
Functional safety (SIL)
Functional safety according to IEC 61508/IEC 61511
- Single channel architecture (1oo1D)
- Multiple channel architecture
Approvals
1)
ATEX II 1/2G, 2G EEx ia IIC T6
LEVEL TRANSMITTER 8185 - 4 ... 20 mA/HART
II
up to SIL2
see "Safety Manual"
Deviating data in Ex applications: see separate safety instructions.
1)
Supplement
39