High-quality continuous particulate matter monitor
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United States of America Patent
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-
Dec 14, 2004
Grant Date -
Sep 5, 2002
app pub date -
Nov 13, 2001
filing date -
Nov 13, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for monitoring an aerosol including a plurality of particles is provided. Each of the particles has a size. The system includes an impactor assembly to receive the aerosol at a first flow rate and remove an exhaust portion of the particles that are less than a minimum particle size or greater than a maximum particle size. A remaining portion of the particles is emitted at a second flow rate lower than the first flow rate. A first sensor measures a characteristic of the remaining portion of the particles.
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