Gas sensor. Transmitters for flammable, toxic or oxygen gases. To connect to ExTox gas plants. Designed, manufactured and certified according to standards EN 60079-29-1, EN 45544-1, EN 45544-3 and EN 50104. Detection by catalytic combustion (WT), absorption (IR), electrochemical sensor (EC), oxygen cell (KE) or semiconductor (HL). 4-20mA output. Degree of protection IP65. Constructed of aluminum. Wall mounting. Maximum distance to the control unit of 1 kilometer (2 kilometers for EC and KE sensors). 24 V power supply. Consumption: 80 mA (WT, IR and HL sensors) / 40 mA (EC and KE sensors). Dimensions: 188 x 105 x 65 mm (KE sensor) / 138 x 105 x 65 mm (rest).