Forensics Detectors Combustion Analyzers are used by HVAC specialists, plumbers, heating, ventilating and air conditioning (HVAC) technicians, boiler technicians and furnace technicians to test gas levels and provide insight into safe and efficient appliance operation. They detect carbon monoxide (CO), oxygen (O2), and nitrogen oxides (NOx).

CO level detection is done using an electrochemical gas sensor that converts a change in electrical current into a readout on the screen of the combustion analyzer. Oxygen is detected by an electrochemical O2 sensor, and nitrogen oxides are detected by a NO (nitric oxide) and NO2 (nitrogen dioxide) electrochemical gas sensors. The analyzer then calculates the CO air free value and excess air (COAF) in order to make an appropriate combustion adjustment.

Unlocking Insights: Leveraging Oxygen Analysis for Accurate Results in Laboratories

Improving combustion efficiency is the goal, as this saves fuel costs, reduces harmful emissions and improves safety for occupants. Carbon monoxide leaks are usually due to poor combustion, which results in incomplete burning of fossil fuels and the release of CO into the flue gases. This can occur due to a variety of reasons such as backdraft, spillage and cracked heat exchangers.

Properly functioning CO and O2 combustion analyzers are critical to a safer environment for all occupants. They must be properly cleaned and maintained to ensure that the sensors remain clean from dust and other contaminants, and are able to respond quickly to changes in the sample. For best results, they should be tested with a known gas source on a regular basis.