Apparatus and method for the measurement and separation of airbo

Optics: measuring and testing – By particle light scattering – With photocell detection

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356340, 356343, G01N 2100

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active

060056622

ABSTRACT:
Apparatus and method for measuring the concentration of airborne fibers are provided. The apparatus includes a flow channel for providing laminar flow to a portion of the fibers in an air sample and a light source for generating a light beam directed to the laminarly flowing fibers to produce a scattered light. The apparatus further includes a sensor for sensing a portion of this scattered light and for producing an output from which a fiber concentration estimate can be measured.

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FM-7400 Real-Time Laser Fiber Monitor, Monitoring Instruments for the Environment, Inc., Mar. 1991.

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