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14
ADDITIONAL INSTRUCTIONS FOR ATEX VERSION
The LTDR is suitable for applications with hazardous gas or dust atmospheres, for
applications requiring instruments of category 1/2G, 1/2D or 2G, 2D.
If the LTDR is installed and operated in hazardous areas, the general hazardous area
installation regulations IEC 60079-14, all relevant national, regional and local regulations
and standards, as well as these safety instructions must be observed.
The installation of electrical equipment in hazardous areas must always be carried out by
qualified personnel.
The approval certificate is the following:
and the different markings:
II 1/2G Ex ia/d IIC T6
II 1/2D Ex iaD/tD A20/21 IP68 T86°C
II 2G Ex ia d IIC T6
II 2D Ex iaD tD A21 IP68 T86°C
14.1 Electrical data
Power supply (terminals 1 and 2): U = 12...30V DC
Analog output (terminals 3 and 4): I = 4...20mA
Switching output (terminals 5 and 6): U
14.2 Temperatures
Temperature class
14.3 Dimensions
CATEGORY 1/2G
T1...T6
CATEGORY 2G
T6
T5
-40...+100°C
T4
-40...+135°C
T1...T3
-40...+150°C
CATEGORY 1/2D Y 2D
Max. sup. temperature: +86°C
0158 SEV 09 ATEX 0171 X
II 1/2G Ex ia/d IIC T6 Ga/Gb
II 1/2D Ex ia/t IIIC T86°C Da/Db
II 2G Ex ia d IIC T6 Gb
II 2D Ex ia t IIIC T86°C Db
U
U
= 0...U
U
s
Application
Ambient temperature
temperature
-20...+60°C
-40...+85°C
= 250 VAC
m
= 250 VAC
m
= 250 VAC
m
-40...+70°C
-40...+70°C
-40...+70°C
-40...+70°C
-40...+70°C
-40...+70°C
Cover locking screw
Earth terminal
15
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