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Innovative sensor technology for efficient and portable gas detection devices

Date:
January 22, 2013
Source:
Technical Research Centre of Finland (VTT)
Summary:
Gas sensors developed in a European project now enable the implementation of cheaper and smaller instruments with equal or higher speed and sensitivity than current laboratory-grade instruments

Gas sensors developed in a European project now enable the implementation of cheaper and smaller instruments with equal or higher speed and sensitivity than current laboratory-grade instruments.

Production of super-sensitive and portable measuring devices is made possible by a photo-acoustic gas sensor with innovative parts such as an interferometer and a MEMS cantilever. While a laser is needed as infrared light source for the highest sensitivity, novel IR LEDs are sufficient for measuring fairly small gas concentrations in lower cost portable devices.

Sensitive, portable measuring devices can be used to detect trace gases in the environment. There are a number of potential applications for the technology, for example in health care and air pollution monitoring. The technology can also be used in homeland security and work safety.

The MINIGAS project was financially supported by the European Community and was coordinated by VTT Technical Research Centre of Finland. It involved building two prototypes, one of which can be used to detect extremely low levels of methane in the air and the other to accurately measure carbon dioxide and water vapour levels in demanding Greenhouse gas flux monitoring. The performance of the portable measuring devices matches that of existing laboratory-grade products.

Several measurement industry companies are preparing to begin production based on the new technology. Furthest advanced is Finland-based Gasera Oy, which already uses the parts developed in the project in its current gas sensors. The company hopes to be selling new products based on the technology within three years. Measuring instrument companies Selex (Italy) and Dräger (Germany), as well as LED component developer and manufacturer IoffeLED (Russia), plan to use or further investigate parts of the developed technologies for future products.

VTT's role in the project was to develop LTCC packaging and integration technologies suitable for miniature optical sensors.

The total budget for the MINIGAS project was EUR 2.6 million. In addition to VTT, the other partners were Gasera Oy, University of Turku, Drägerwerk AG & Co. KGaA, Ioffe Physical-Technical Institute RAS, Selex Sistemi Integrati Spa and Doble Transinor AS.

MINIGAS project: http://www.minigas.eu


Story Source:

The above story is based on materials provided by Technical Research Centre of Finland (VTT). Note: Materials may be edited for content and length.


Cite This Page:

Technical Research Centre of Finland (VTT). "Innovative sensor technology for efficient and portable gas detection devices." ScienceDaily. ScienceDaily, 22 January 2013. <www.sciencedaily.com/releases/2013/01/130122101450.htm>.
Technical Research Centre of Finland (VTT). (2013, January 22). Innovative sensor technology for efficient and portable gas detection devices. ScienceDaily. Retrieved October 23, 2014 from www.sciencedaily.com/releases/2013/01/130122101450.htm
Technical Research Centre of Finland (VTT). "Innovative sensor technology for efficient and portable gas detection devices." ScienceDaily. www.sciencedaily.com/releases/2013/01/130122101450.htm (accessed October 23, 2014).

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