Passive Sensors for Ex-areas include a range of temperature sensors, frost protection thermostats, pressure sensors and more. They are made to comply to ATEX 94/9/EC specifications. An ability to suite all types of mixtures, vapors, dust and gas is incorporated. They can also be employed in hazardous area zones. These include zone 1, 2, 21 and 22 varying on the sensor type. The spectrum of sensors may either come as a modulating sensors series or as a binary sensors series. Both of them can be mounted in room, duct and tube.