Apparatus for detecting contamination of liquid

Details Apparatus for detecting contamination of liquid Apparatus for detecting contamination of liquid

1975-07-23

1977-01-18

Corbin, John K.

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

356 70, 356208, 356244, G01N 3328

Patent

active

040036618

ABSTRACT:
In apparatus for detecting the degree of contamination of liquid of the type wherein the quantity of light transmitting through a liquid sample is detected, a combination of a transparent flat plate and a convex lens is interposed between a light source and a light receiver. The flat plate is in contact with the convex lens at the top of the convex lens so as to define an annular gap for accommodating the liquid sample.

REFERENCES:
patent: 1999889 (1935-04-01), Anselmi
patent: 3194111 (1965-07-01), Saunders
patent: 3744907 (1973-07-01), Whelan
patent: 3829217 (1974-08-01), Johnson et al.

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