Photosensitive turbidimeter with nonfouling measurement chamber

Details Photosensitive turbidimeter with nonfouling measurement chamber Photosensitive turbidimeter with nonfouling measurement chamber

1990-09-20

1992-04-14

McGraw, Vincent P.

Optics: measuring and testing

For light transmission or absorption

Of fluent material

356440, 250576, 73 611R, G01N 2185

Patent

active

051042282

ABSTRACT:
The turbidity of liquids, including oil contaminated water, may be measured by an apparatus having a first elongated shell member defining a turbid liquid measurement chamber and opposed head members forming windows for transmitting a light beam through the measurement chamber between a light source and photosensitive element. A second shell member is disposed around the first shell member and defines with the first shell member and the opposed head members clear liquid supply chambers for supplying a clear liquid to wash over the windows and prevent contact of the turbid liquid with windows during operation of the apparatus. A flow of clear liquid, such as water, may be controlled by a pump and a throttling valve with orifices in each flow line to limit the flow of clear liquid. A mixture of clear liquid and turbid liquid is discharged from the turbidity measurement chamber into a discharge manifold formed between the shell members.

REFERENCES:
Derwent Abstract, 88.262592/37 (23.02.88).

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