The Model 6120-OH CA-CALC™ combustion test kit for oil burners is designed to provide accurate flue gas data to tune burners furnaces, boilers, and other oil heating applications for safe, efficient operation. Suitable for light commercial applications, the kit includes a Model CA-6120 combustion analyzer and a smoke soot pump. The analyzer has user-selectable fuels and supplies CO2, O2, stack, and ambient temperatures, as well as efficiency and excess air.