Det-Tronics 505 - Page 21

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CATALYTIC COMBUSTIBLE GAS SENSOR (CGS)
CE 0539 II 2 G
EEx d IIC T3, T5
DEMKO 02 ATEX 131323 X
T5 (T
amb
= –40°C to +75°C)
T3 (T
amb
= –55°C to +125°C).
Special Conditions for Safe Use of CGS —
The performance ambient temperature rating is limited to –40°C to +75°C.
The CGS Combustible Gas Sensor can withstand repeated exposures to 125°C for periods up to 12 hours. Sensor
replacement is recommended after a maximum of 500 hours of exposure to the 125°C temperature condition.
The CGS Combustible Gas Sensor must be used in conjunction with a CENELEC certified Detector Electronics Corp.
combustible gas detector control unit for compliance with EN 61779 series standards.
SENSOR TERMINATION BOX (STB)
CE 05 39 II 2 G
EEx d IIC T4–T6
DEMKO 02 ATEX 131324
T6 (T
amb
= –55°C to +60°C).
T5 (T
amb
= –55°C to +75°C).
T4 (T
amb
= –
55°C to +125°C).
IP66.