Apparatus for simultaneously measuring large and small particle

Details Apparatus for simultaneously measuring large and small particle Apparatus for simultaneously measuring large and small particle

1991-11-01

1993-02-09

Rosenberger, Richard A.

Optics: measuring and testing

For size of particles

By particle light scattering

356343, G01N 1502

Patent

active

051856417

ABSTRACT:
An apparatus for measuring a wide range of particle sizes in of a sample fluid with two separate light sources is provided. The individual light sources can be compensated to take into account any variations in transmission factors through the sample fluid prior to calculating the particle size distribution. Additionally, any fluctuations in the light source can also be measured to provide a compensation factor for the measured light intensities.

REFERENCES:
patent: 3724951 (1973-04-01), Seelbinder
patent: 4482247 (1984-11-01), Meltz et al.
patent: 4541719 (1985-09-01), Wyatt
patent: 4679939 (1987-07-01), Curry et al.
patent: 4781460 (1988-11-01), Bott
patent: 5017008 (1991-05-01), Akiyama
patent: 5105093 (1992-04-01), Niwa

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