Ex-BA line sensor
29
Doc 141917 | Rev. 03
[Type codes of the models]
NOTE
For operation in Zone 20 with type of protection II 1 G Ex ia IIIC T135°C Da the process temperature must
be set equal to the ambient temperature.
See the following overview:
Power P
i
ambient/process temperature
750 mW
-40°C to +40°C
650 mW
-40°C to +70°C
550 mW
-40°C to +100°C
5.2.4
Area of use
Gas explosion hazardous areas
The following table shows the usage range of the WTH R14 with plug connector depending on the
ambient temperature and temperature class:
Model
WTH gas
Marking
Sensor
#
ambient temperature/
temperature class
ATEX
IECEx
WR14-M150, 200-*#*
II 1G
Ex ia IIC T1…T6 Ga
PT100
PT1000
Ni100
-40°C to 80°C (T6…T5)
WR14-M150, 200-*#*
II 1G
Ex ia IIC T1…T6 Ga
PT100
PT1000
Ni100
-40°C to 100°C (T4…T1)
WR14-M300-*#*
II 1G
Ex ia IIC T1…T6 Ga
PT100
PT1000
Ni100
-40°C to 75°C (T6…T5)
WR14-M300-*#*
II 1G
Ex ia IIC T1…T6 Ga
PT100
PT1000
Ni100
-40°C to 100°C (T4…T1)
WR14-M600, 800-*#*
II 1G
Ex ia IIC T1…T6 Ga
PT100
PT1000
Ni100
-40°C to 75°C (T6…T5)
WR14-M600, 800-*#*
II 1G
Ex ia IIC T1…T6 Ga
PT100
PT1000
Ni100
-40°C to 100°C (T4…T1)
Tab. 14: Area of use of WTH R14 (Gas)
Содержание R14 Series
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