Hand-held trace vapor/particle detection system

G - Physics – 01 – N

Patent

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Details

G01N 1/40 (2006.01) G01N 1/44 (2006.01) G01N 33/22 (2006.01)

Patent

CA 2688352

A hand held detector system that has a housing with a passage that can receive a sample, and a concentrator that captures the sample. The hand held system further includes a single detector coupled to the concentrator and a fluid system that provides fluid communication between the housing passage and the concentrator, and between the concentrator and the detector. The system is powered by a battery. The system may include a controller that heats the concentrator with a temperature profile that causes a first trace molecule to desorb at a time different from the desorption of a second trace molecule. The system is components are powered by a battery.

L'invention porte sur un système de détecteur portatif qui a un boîtier comportant un passage qui peut recevoir un échantillon, et un concentrateur qui capture l'échantillon. Le système portatif comprend en outre un détecteur unique couplé au concentrateur et un système de fluide qui assure une communication fluidique entre le passage de boîtier et le concentrateur, et entre le concentrateur et le détecteur. Le système est alimenté par une batterie. Le système peut comprendre un dispositif de commande qui chauffe le concentrateur avec un profil de température qui amène une première molécule de trace à être désorbée à un temps différent de la désorption d'une seconde molécule de trace. Le système représente des composants qui sont alimentés par une batterie.

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