Industrial Scientific Itrans Gas Monitor (Not Working)

Industrial Scientific Itrans Gas Monitor (Not Working)
Industrial Scientific Corporation
Model: Itrans Gas Monitor (P/N: 7814635)
Cl I, Div 1, Grps B,C And D; Type 4x, Ip66
Aex D Iib +H2 T4, Ex D Iib +H2 T4
Input: 12-28vdc, 600ma Max, 350ma @24vdc;
Output: 4-20ma.
Contact Rating: 30vdc/30vac @5a Max To Each Relay Contact
Ii 2 G
Kema 04 Atex 2216x
Ex D Iib+H2 T5 -20°C Ta 55°C
Br-Ex D Iib +H2 T5 Ip66
*08091ks-020*
7702-5252 Rev.5
Model: Itrans Combustible Sensor Module (P/N: 7702-2606)
7702-5443 Rev.3
Gas Type: C5h12
*08090ku-032*
Usa
Weight : 3.250 Kg
Ref No : 50929