Hand held sampling probe

摘要

The invention relates to a hand held wand for use in a portable detection and screening system for detecting molecular vapor from a target material or particulates containing a target material; said target material including explosives, chemical agents, drugs or narcotics, said wand comprising a portable vacuum head for engaging an individual or article to be searched for said target materials and collecting a sample volume of air therefrom, said vacuum head including an inlet port for admitting said sample volume of air, and a flexible seal surrounding said inlet port for sealing said port to an article to be searched a detection and screening system for collecting and detecting any molecular vapors of a target material present in said sample volume of air a vacuum means for drawing said sample volume of air from said portable vacuum head to said detection and screening system, and a flexible conduit joining said portable vacuum head and said detection and screening system. <IMAGE>