Gas analysis and Detection

New from Geotech (UK) is a range of gas analysers which are set to overcome traditional problems of cross-gas contamination, poor reliability or broken data streams. They precisely analyse gas streams in real time with TDL absorption spectroscopy and benefit from Geotech’s 23 years of successful development of hydrocarbon gas analysis techniques and technology. Gases include low level methane down to 1ppm, methane in the 0-100% range and carbon dioxide from 0-100%. Versions for oxygen and hydrogen sulphide are also in development. The TDL technology is self-referencing, making it inherently stable with no drift over time. The analysers do not require routine calibration, need no consumables and need no attention for a minimum of two years giving very low running costs . Reliability, high precision and fast response times make TDL absorption spectroscopy a very attractive option for many applications including instantaneous leak detection and process gas analysis.

Continuous sampling of perimeter air quality or contamination is the role of the Geotech AQMesh wireless air quality monitor. This high sensitivity (ppb) air pollution monitoring system is designed to work through a network of arrayed monitors to measure nitric oxide, nitrogen dioxide, ozone, carbon monoxide, sulphur dioxide, humidity and atmospheric pressure. The AQMesh is battery powered and transmits data wirelessly to the cloud for easy remote access. By giving a wider picture of air quality issues than is possible using a large, centralised analyser, the AQMesh will bring benefits in understanding the causes of pollution and taking measures to improve problem areas.