Sulfur monitor analyzer

Details Sulfur monitor analyzer Sulfur monitor analyzer

1978-06-19

1980-02-26

Evans, F. L.

Optics: measuring and testing

By shade or color

With color transmitting filter

250361C, 422 52, G01J 350, G01N 2158

Patent

active

041903684

ABSTRACT:
A sulfur monitor analyzer is disclosed and utilizes a burner or flame holder, a burner or reaction chamber, a photomultiplier tube, a light collimator, and chopper blade members with openings so as to permit a flame disposed in the burner or reaction chamber to be seen by the photomultiplier tube at all times. A chemiluminescent radiation mask is disposed operatively between a portion of the chemiluminescent radiation and the photomultiplier tube so as to provide a chopper open mode of operation at which time the photomultiplier tube receives the flame radiation and a fraction of any chemiluminescent radiation surrounding the flames with any remaining fraction of any chemiluminescent radiation being obscured permanently by the chemiluminescent radiation mask. When the chopper is in the closed mode of operation, the photomultiplier tube receives only the radiation from the flame through an aperture defined by an opening in the opaque segment of this chopper or chemiluminescent radiation mask.

REFERENCES:
patent: 3486827 (1969-12-01), Binek et al.
patent: 3489498 (1970-01-01), Brody et al.
patent: 3967933 (1976-07-01), Etess et al.
Monitor Labs Instruction Manual for Sulfur Monitor Model 8450, published Jan. 12, 1977.

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