SENSORS FOR MONITORING AIR QUALITY IN EARTH AND SPACE ENVIRONMENTS

The monitoring of the quality of air in ail enclosed environment has always been ail important concern. Toxic gases call be present as a result of leaking in tanks, piping, etc., and their presence needs to be monitored to prevent the accidental exposure to a hazardous condition. Even non-toxic gases such as nitrogen leaking in an enclosed area call displace enough oxygen resulting in a potentially lethal Situation. Proper identification and quantification of gases is essential to ensure a benign environment is constantly maintained.