The type of gas you need to detect will dictate the type of gas leak sensor that offers the best solution for your business needs. In general sensors are grouped into four segments – Semiconductor (SC), Electrochemical (EC), Catalytic (CAT) and Infrared. Semiconductor (SC) are applied in a wide range of types of gas detection covering combustible, toxic and refrigerant gas detection. SC’s are highly economical and they typically have a lifespan that ranges between 5 and 8 years. In the past these sensors were prone to cross sensitivity issues however this has been resolved through a combination of filtered sensors, by using time delay within the electronics and through amending the threshold settings on the alarm.
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