Low detection limit turbidimeter

Details Low detection limit turbidimeter Low detection limit turbidimeter

2005-05-17

2005-05-17

Stafira, Michael P. (Department: 2877)

Optics: measuring and testing

By particle light scattering

With photocell detection

Reexamination Certificate

active

06894778

ABSTRACT:
A turbidimeter having an arrangement of internal surfaces, optical surfaces, and optical restrictions to the field of view of both the illumination and the detector means to significantly improve the lower detection limit of the turbidimeter by reducing the detected signal due to stray light.

REFERENCES:
patent: 4017190 (1977-04-01), Fischel
patent: 4319138 (1982-03-01), Sweet
patent: 4343552 (1982-08-01), Blades
patent: 5872361 (1999-02-01), Paoli et al.
patent: 6003362 (1999-12-01), Dieckmann et al.
patent: 6307630 (2001-10-01), Banerjee

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