Photoacoustic gas sensor utilizing diffusion

Details Photoacoustic gas sensor utilizing diffusion Photoacoustic gas sensor utilizing diffusion

G - Physics

01

N

G01N 21/17 (2006.01) G01N 21/03 (2006.01)

Patent

CA 2505913

The present invention relates to a photoacoustic gas sensor utilizing diffusion having a sensing volume and an acoustic pressure sensor volume containing an acoustic pressure sensor such that the fluid connection between the sensing volume and the acoustic pressure sensor volume restricts the flow of analyte gas therethrough but does not restrict the transmission of the photoacoustic signal therethrough.

La présente invention porte sur un capteur de gaz photoacoustique utilisant la diffusion et ayant un volume de détection et un volume du capteur de pression acoustique contenant un capteur de pression acoustique qui limite dans celui-ci le flux du gaz émanant de l'analyte, mais ne limite pas la transmission du signal photoacoustique.

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