Gas sensor. Transmitters for inflammable, toxic gases or oxygen. To connect to gas head offices ExTox. Designed, made and certificate in conformity with procedure IN 60079-29-1, IN 45544-1, IN 45544-3 and IN 50104. Detection by means of catalytic combustion (WT), absorption (TO (GO), sensor electroquímico (EC), cell of oxygen (KE) or semiconductor (HL). Exit 4-20mA. Protection degree IP65. Constructed in aluminium. Assembly on wall. Maximum distance to the head office of 1 kilometre (2 kilometres for sensors EC and KE). Supply to 24 V. I consume: 80 mA (Sensors WT, TO GO and HL) / 40 mA (Sensors EC and KE). Dimensions: 188 x 105 x 65 mm (Sensor KE) / 138 x 105 x 65 mm (I) (remain).