TSI's Series CA-6000 CA-CALC Single Gas Monitors are ideal exhaust gas analyzers for residential to commercial service technicians and safety inspectors measuring combustion exhaust gases. These exhaust gas analyzers are used to make direct and ambient exhaust gas measurements for tuning and preventative. Plant engineers and maintenance professionals can check critical exhaust gas concentrations on combustion systems as part of a program. CA-CALC Single Gas Monitors are also used for periodic monitoring of target gases in process and in system maintenance applications with consequences for exceeding concentration thresholds.

Series CA-6000 Single Gas Monitors are used on a large range of combustion systems including furnaces, boilers, process heaters, gas appliances, and combustion equipment.

Models are available that measure O2, CO (0–1%), CO (0–2%), CO (0–8%), NO, NO2 and SO2.