Sulphur Dioxide (SO2)
Sulphur dioxide (SO2) – also called sulphurous anhydride – is present in many fields of activity such as the pulp and paper industry, power plants, the cooling industry and fossil energy combustion (coal and fuel). It is also used for wine growing application. Even if it can be naturally found near volcanoes, this gas is essentially anthropogenic.
Sulphur dioxide effects on health
Sulphur dioxide (SO2) is a colourless gas with a pungent fragrance that may cause breathing system and eyes irritation starting at 1 ppm! Even if it is corrosive and harmful, this gas is above all toxic. It has been classified as R23 (toxic by inhalation) and R34 (causes burns). Lastly, sulphur dioxide is very reactive with many solvents (alcohol, toluene), and particularly with water to produce sulfuric acid (H2SO4). SO2 is also responsible for acid rain.
Compatible products
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Wide range of sensors
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Versatile
XDI 
The XDI-F1 Gas Sensor is capable of utilizing a wide range of sensor cell types offering an unmatched number of gases that may be monitored. Standard 4~20mA signaling with CANbus address enables the sensors to be networked via the WatchGas Combi control system or customer preferred monitoring systems.
