For continuous analysis of Methane (CH₄) in process gas streams using an infrared detector. Percent and PPM levels available as Models 470 & 470L respectively.

For continuous monitoring of any combination of heat treat atmosphere gases such as Oxygen (O₂), Methane (CH₄), Carbon Dioxide (CO₂), Carbon Monoxide (CO), Hydrogen (H₂), Ammonia (NH₃), and Dew Point (standard and low ranges). Also available for other industrial process gases.

For continuous monitoring of syngas and gasification atmospheres or other industrial process gases for any combination of methane (CH₄), carbon dioxide (CO₂), carbon monoxide (CO) and hydrogen (H₂) and oxygen (O ₂).

For continuous analysis of Oxygen (O₂), Methane (CH₄), and/or Carbon Dioxide (CO₂) in recovered gases from landfill sites.