Combustion analyzers are a type of gas analyzer used in gas and leak detection. They are useful for measuring percentages of oxygen versus elements such as carbon dioxide, carbon monoxide and other gases in systems using fuel, such as boilers, furnaces and fossil-fuel powered engines. Analyzers detect where such systems are not using fuel efficiently, which has implications for higher fuel consumption, as well as safety due to emissions. Available as kits, or stand alone analyzers. See also our assortment of gas leak detectors.