Aerosol sampler

Details Aerosol sampler Aerosol sampler

1993-08-02

1994-07-26

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

422101, 422120, 422121, 422128, 73 32A, 73 2801, 7386321, G01G 314

Patent

active

053325508

ABSTRACT:
An aerosol sampler comprises at least one U-tube whose ends are fixed to a support, and through which the aerosol is caused to flow. Means are provided to set the tube vibrating, and to measure its resonant frequency. The bend of the U-tube acts as an impactor so aerosol particles larger than a cut-off size are trapped, causing a change in the measured frequency. A sampler may include a number of such U-tubes in series, with steadily decreasing cut-off sizes, so the aerosol particulate size distribution can be determined.

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