32
5.2.6
Area of use
Gas explosion hazardous areas
The following table shows the usage range of the MTH R14 with plug connector depending on the
ambient temperature and temperature class:
Model
WTH gas
Marking
Sensor
#
ambient temperature/
temperature class
ATEX
IECEx
TR14-M*-*#*
II 1 G
Ex ia IIC T1…T6 Ga
Type T, J, E,
K, N, R, S
-40°C to 80°C (T6…T5)
TR14-M*-*#*
II 1 G
Ex ia IIC T1…T6 Ga
Type T, J, E,
K, N, R, S
-40°C to 100°C (T4…T1)
Tab. 17: Area of use of MTE R14 (gas)
Dust explosion hazardous areas
The following table shows the usage range of the WTH R14 with plug connector depending on the
ambient temperature and power:
Model
WTH dust
Marking
Sensor
#
ambient temperature/
power
ATEX
IECEx
TR14-M*-*#*
II 1 D
Ex ia IIIC T135°C Da
Type T, J, E,
K, N, R, S
-40°C to 40°C
(750 mW)
TR14-M*-*#*
II 1 D
Ex ia IIIC T135°C Da
Type T, J, E,
K, N, R, S
-40°C to 70°C
(650 mW)
TR14-M*-*#*
II 1 D
Ex ia IIIC T135°C Da
Type T, J, E,
K, N, R, S
-40°C to 100°C
(550 mW)
Tab. 18: Area of use of MTE R14 (dust)
Summary of Contents for R14 Series
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