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86
8024252/AE00/V1-0/2020-07| SICK
O P E R A T I N G I N S T R U C T I O N S | ZIRKOR200 Ex-D
Subject to change without notice
13
TECHNICAL DATA
13.3
Tightening torques for Ex-relevant screw connections
Test gases (cylinder gas) for adjustment / system test
Inlet pressure
Max. 3 bar
Specification
Test gas 1 (optional):
21% O
2
in N
2
(synthetic air – when instrument air not available)
Specification
Span gas 2:
The adjustment gas must have the same composition as specified in the
Test protocol. The Test protocol is located on the probe / sensor on deliv-
ery.
Flow volume:
Max. 180 l/h at 1.1 bar (+/- 0,1)
Note:
The flow volume of the test gases must be adjusted on the test gas cylinders
themselves.
WARNING:
Disposal of subassemblies containing residual substances harmful to the
environment
The following subassemblies could contain substances that have to be disposed of
separately:
▸
Electronics: Capacitors, rechargeable batteries, batteries
▸
Display: Liquid of LC display
Junction unit
Reference air
+3/4 turn after hand-tight
Junction unit
Test gas
+3/4 turn after hand-tight