Chemical agent monitor and alarm device

Details Chemical agent monitor and alarm device Chemical agent monitor and alarm device

G - Physics

01

N

340/147, 358/21,

G01N 27/00 (2006.01)

Patent

CA 1207555

ABSTRACT OF THE DISCLOSURE The specification describes an apparatus for use with a hand-portable chemical agent detector for continuously monitoring an atmopshere for the presence of predetermined chemical agents. The detector is provided with means for ionizing air samples and providing at an output terminal electrical signals representative of the mobility spectrum of ionized chemical vapours produced by the ionizing means. The apparatus is formed with a chamber for supporting and removably enclosing the detector, means for communicating ambient atmosphere to the chamber, electrical circuit means adapted to be detachably connected to the detector output terminal when the detector is positioned in the chamber and responsive to the electrical signals for producing an alarm signal when the signals detect a chemical agent concentration in the atmosphere exceeding a predetermined concentration level, and alarm means responsive to the alarm signal.

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