Patent ID: 6055050
Filing Date: 2000-04-25
Classification: G01N

Abstract:
A photometer for use with a test sample holder having an integral light-blocking section and a light-transparent test sample vial at one end thereof, said sample vial to hold a light-emitting test sample, said photometer adapted for the determination of emitted light from said test sample in said vial, and which photometer comprises:a) a housing having a test sample vial holding chamber, an entrance port into said chamber for said sample vial, a photosensitive means to receive emitted light from said test sample in said test sample vial, an optical light path between said chamber and said photosensitive means, an electrical circuitry means to receive information from said photosensitive means, a power supply means to supply electrical power to said electrical circuitry means, and a means to display information relative to said test sample; andb) a fixed engaging and sealing means positioned within the holding chamber to engage and seal against an exterior surface of the light-blocking section of said sample holder, with said test vial in a use position, to block external interfering light from said sample-holding chamber.