Photometer with automatic test sample selection, scanning and an

Details Photometer with automatic test sample selection, scanning and an Photometer with automatic test sample selection, scanning and an

1977-10-18

1980-05-06

McGraw, Vincent P.

Optics: measuring and testing

For light transmission or absorption

Of fluent material

356244, 356409, 422 65, G01N 2122

Patent

active

042014786

ABSTRACT:
The photometer for automatic sample analysis comprises an optical bench emitting a measuring lightbeam, a series of transparent cells containing the samples for analysis and for sucessive presentation in the beam and result recording and processing means. A set of rectilinear presentation means each supporting a juxtaposed row of cells is arranged in parallel side by side in a magazine. Means for selecting and extracting each presentation means successively from the set of the latter are provided. A movable carriage supports the optical bench with means for moving said carriage at reading speed parallel to the row of cells selected such that the measuring beam of the bench sucessively traverses each cell of said row.

REFERENCES:
patent: 3829221 (1974-08-01), de Mendez et al.
patent: 3897216 (1975-07-01), Jones
patent: 3985507 (1976-10-01), Litz et al.

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