Gas sensor array systems, also known as electronic noses, are used since many years in the food industry. The principle of operation is simple: a gas mixture is measured with a combination of gas sensors and by comparing actual measured data with stored data, using pattern recognition techniques, a classification of the mixtures is possible. The interesting point about gas sensor arrays is that a classification of complex mixtures is possible on site. The analysis is fast and does not require an analysis in the lab.
By improvement of the sensors itself and also due to better sampling techniques it is also possible to use the systems online (or at-line) in industrial applications. It is also possible to use the systems online (or at-line) in industrial applications.
Preconcentrator
A trap can be used for lowering detection limits and for increasing the selectivity. Industrial plants can be monitored with the system. The continuous sampling and thermal desorption step are preformed automatically. In applications where a manual sampling is preferred, the system can also be used just as a thermal desorption device. Applications with a sensor array as a detector, but also with a gas chromatograph and/or mass spectrometer are possible.
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AIRSENSE fabrica y ofrece un amplio rango de instrumentos para la detección de compuestos gaseosos, como los sensores de gas basados en el sistema “array”, la nariz electrónica y sistemas de trampas de concentración asociados con desorción térmica.
Le podemos suministrar el equipo y la aplicación “ llave en mano “ más adecuado a sus necesidades, desarrollando el método de trabajo y seleccionando el instrumento más idóneo a sus exigencias, hasta soluciones “online”.
