15
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:
0158 SEV 09 ATEX 0171 X
and the different markings:
II 1/2G Ex ia/d IIC T6
II 1/2G Ex ia/d IIC T6 Ga/Gb
II 1/2D Ex iaD/tD A20/21 IP68 T86°C
II 1/2D Ex ia/t IIIC T86°C Da/Db
II 2G Ex ia d IIC T6
II 2G Ex ia d IIC T6 Gb
II 2D Ex iaD tD A21 IP68 T86°C
II 2D Ex ia t IIIC T86°C Db
14.1 Electrical data
Power supply (terminals 1 and 2): U = 12…30V DC
U
m
= 250 VAC
Analog output (terminals 3 and 4): I = 4…20mA
U
m
= 250 VAC
Switching output (terminals 5 and 6): U
s
= 0…U
U
m
= 250 VAC
14.2 Temperatures
CATEGORY 1/2G
Temperature class
Application
temperature
Ambient temperature
T1...T6
-20…+60°C
-40…+70°C
CATEGORY 2G
T6
-40…+85°C
-40…+70°C
T5
-40…+100°C
-40…+70°C
T4
-40…+135°C
-40…+70°C
T1…T3
-40…+150°C
-40…+70°C
CATEGORY 1/2D Y 2D
Max. sup. temperature: +86°C
-40…+70°C
14.3 Dimensions
Earth terminal
Cover locking screw
