The 363SM is a heated pre-filter which is installed close to the sampling point, providing a filtration of hot sample gas before allowing down the heated line to the gas analyser.
FID: the VOC emissions monitoring reference method – for over 50 years!
The Flame Ionisation Detection (FID) method was first developed in the 1950s for the laboratory analysis of organic chemicals. Later, when environmental regulations began to limit the emissions of volatile organic chemicals (VOCs) in the 1970’s and 1980’s, the FID method was adapted for emissions monitoring. Signal Group was one
09/04/2025
