G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/12 (2006.01)
Patent
CA 2652615
Disclosed are a method and a device for operating an MOX gas sensor (1) which is used for measuring a gas concentration in the environment and is heated by means of an electric power source (2), an electric output variable of the sensor (1) representing the gas concentration being detected and evaluated. According to the invention, the MOX sensor (1) is intermittently heated at discrete measuring times by means of the electric power source (2), and a measured value representing the gas concentration is generated from the electric output variable of the sensor (1) detected during the discrete measuring times.
L'invention concerne un procédé et un dispositif pour faire fonctionner un capteur de gaz de combustible MOX qui sert à mesurer une concentration de gaz présente dans un environnement. Le capteur de MOX (1) est chauffé par une source de courant électrique (2) et une grandeur électrique initiale du capteur (1) représentant la concentration de gaz est saisie et analysée. Selon l'invention, le capteur de MOX (1) est chauffé de manière discontinue à des moments de mesure discrets par la source de courant électrique (2) et les grandeurs électriques initiales du capteur (1) saisies pendant les moments de mesure discrets permettent d'établir une valeur de mesure représentant la concentration de gaz.
Becker Thomas
Sabater Jordi
Sayhan Ilker
Eads Deutschland Gmbh
Marks & Clerk
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