Patent ID: 6595037
Filing Date: 2003-07-22
Classification: G01N

Abstract:
A portable device for detecting and measuring odors by sniffing, comprising:a housing of a size and weight suitable for carrying by hand; a first air passageway in said housing having an inlet opening at one end and an outlet opening at the other end; a second air passageway in said housing separate from said first air passageway, said second air passageway having an outlet end in air communication with said first passageway at said inlet opening of said first air passageway; means for feeding odorless air into said second air passageway; means at said first air passageway inlet opening for allowing selectively different amounts of odorless air from said second air passageway and odorous air into the inlet opening of said first passageway; and a nose mask for placing over a user's nose, said nose mask removably attached to said housing and having an intake opening in air communication with the outlet opening of said first passageway for permitting air to be drawn into said nose mask from said first passageway when the user inhales.