Nitrous Oxide (N2O)

Nitrous oxides, are a group of gases primarily composed of nitric oxide (NO) and nitrogen dioxide (NO2). These gases are significant environmental pollutants, produced by high-temperature combustion processes found in vehicle engines, power plants, and various industrial activities. Monitoring nitrous oxides is essential for protecting public health, complying with environmental regulations, and managing and reducing air pollution effectively.

At Signal Group, we provide state-of-the-art NOx analyzers designed for accurate, reliable, and continuous monitoring of these critical pollutants, helping industries meet stringent emission controls and improve air quality.

Nitrous Oxide, or laughing gas, is a relative newcomer to the list of industrial pollutants of concern to regulatory bodies monitoring climate change.  It has a stronger greenhouse effect than carbon dioxide and is produced as a by-product of many industrial processes.

The measurement techniques available for this gas are infra-red and electrochemical cell.  Both have their limitations.  The US EPA have produced guidelines on what they consider to be the reference method for measuring N2O as part of the process of legislating for it to be measured and reported by engine and vehicle manufacturers and other industries. They suggest using an infra-red detector that uses a catalyst to oxidise CO, the strongest interferent.


Non Dispersive Infrared (NDIR) Multi-gas analysers are available in 1, 2, 3, 4 or 5 gas channel configurations, offering high levels of performance and flexibility. Options include CO, CO2, CH4, NO, N2O, SO2, HCl and O2.

low ranges E.g. 0-10 ppm CO

5 user-configurable ranges + autorange per channel

electronic pressure & temperature compensation

RS232 'AK' protocol, 4-20mA & 0-10VDC chart outputs

Trust Signal Group for Your Nitrous Oxides Monitoring Needs

With Signal Group’s nitrous oxides analysers, you gain an expert partner in air quality management. Our analysers help you monitor, report, and reduce N2O emissions effectively, ensuring environmental compliance and promoting public health.

Contact us today to learn how our solutions can assist your organisation in achieving its environmental monitoring objectives.