Vapor sampling probe

Details Vapor sampling probe Vapor sampling probe

G - Physics

01

N

73/100

G01N 1/22 (2006.01) G01N 1/00 (2006.01) G01N 1/02 (2006.01) G01N 1/24 (2006.01)

Patent

CA 2015157

Abstract of the Disclosure Disclosed is a portable, hand-held vapor sampling probe for collecting vapors of compounds such as cocaine, heroin, and explosives prior to their desorption and analysis in a vapor detector. Rechargable batteries power a lamp in the front face of the probe for heating target portions of a sampling surface, a puffer assembly for directing air jets at the target, and a motor for drawing air samples through a collector coil on whose surfaces vapors are trapped. A flexible U-shaped shroud on the front face partially encloses the lamp and collector and helps to regulate air flow over the target and to protect the probe from damage. Upon contact with a surface, the shroud may activate a switch which, together with a second switch on the probe handle and a lamp pyrometer, regulates heating of the target.

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