Hand-held trace vapor/particle sampling system

G - Physics – 01 – N

Patent

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Details

G01N 1/44 (2006.01) G01N 1/00 (2006.01) G01N 1/40 (2006.01) H01J 49/04 (2006.01)

Patent

CA 2620405

A sampling system that contains filter components for collecting and concentrating vapor and particles in high-volume flows. The sample is then vaporized and delivered to a detector at a low-volume flow. The invention also has a sampling probe that contains an air-jet to help dislodge particles from surfaces and a heating lamp to help vaporize compounds on surfaces or objects. The sampling system is especially useful for screening for explosives and other illicit chemicals and toxins on people, baggage, cargo, and other objects.

L'invention concerne un système d'échantillonnage qui contient des composants de filtration pour recueillir et concentrer de la vapeur et des particules dans des flux à volume élevé. L'échantillon est ensuite vaporisé et adressé à un capteur à un flux à volume faible. L'invention concerne également une sonde d'échantillonnage qui contient un jet d'air pour aider à déloger des particules sur des surfaces et une lampe de chauffage pour aider à vaporiser des composés sur des surfaces ou des objets. Le système d'échantillonnage est particulièrement utile pour le criblage d'explosifs ou d'autres produits chimiques illicites et de toxines sur des personnes, des bagages, des marchandises et autres objets.

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