Apparatus for measuring particle size distribution

Details Apparatus for measuring particle size distribution Apparatus for measuring particle size distribution

1991-11-01

1992-11-17

Rosenberger, Richard A.

Optics: measuring and testing

For size of particles

By particle light scattering

356343, G01N 1502

Patent

active

051647877

ABSTRACT:
A particular size measuring apparatus uses laser light and monochrome beams of different wavelengths to measure a wide range of particle sizes. The monochrome beams are obtained from a lamp source and are changed in wavelength by a group of band-pass filters, whereby different ranges of particle sizes can be measured for the respective single wavelengths and thus the range of particle sizes capable of being measured can be expanded.

REFERENCES:
patent: 4679939 (1987-07-01), Curry et al.
patent: 4781460 (1988-11-01), Bott
patent: 5105093 (1992-04-01), Niwa

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