Combustion Analyzer, Residential Combustion Analyzer, Fuel Type Bio Oil, Butane, Heavy Oil, Light Oil, LPG, Natural Gas, Pellets, Propane, Combustion Efficiency 0 to 100 Percent, Oxygen Concentration 0 to 21 Percent, Carbon Dioxide Concentration 0 to 99.9 Percent, Carbon Monoxide Measurement Range 2000 PPM, Primary/Ambient Air Temp. 32 Degrees to 1112 Degrees F, Stack Temp. 32 Degrees to 1112 Degrees F, Nitric Oxide Measurement Range None, Nitrogen Dioxide Measurement Range None