BIOGAS ANALYZER MODEL ATS-201A/ LANDFILL Gas ANALYZER/METHANE ANALYZER/ A COMPACT RUGGED & INTELLIGENT INSTRUMENT FOR ANALYSIS OF PROCESS GASES IN BIOGAS PLANTS CH4, CO2, H2S, O2 Etc. The analyzer will provide a percent by volume reading of the methane (CH4) and carbon dioxide (CO2) levels. The oxygen (O2) readings on the analyzer may be useful in determining if there is an inbound air leak in the collection system. Process surveillance of the fermentation of biogas. Gas Analysis In Laboratory Optimization of the calorific value. Protection of the gas turbines from high hydrogen sulphide concentrations. Differing customer specific measuring requirements upon request