The InTech® combustion analyzer is the perfect tool for entry-level and residential technicians who need to ensure safe operating conditions and determine combustion efficiency. The InTech® features 6 fuels in the North American configuration to suit a wide variety of applications. The InTech® includes sensors for O2 and CO, with an option for an external NOx filter. The InTech® calculates values like efficiency, CO2 and CO air-free to help monitor combustion processes effectively and accurate