Optical Monitoring of Particulate Matter

Optical PM monitoring of Particulate Matter (PM) is an attempt to measure the diameter of particles in flight. Optical monitors are a low-cost way to get real-time data about particles in the air. They are an automated, electronic version of the effect seen in a darkened room by light glinting off of dust in a sunbeam.

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How do we measure particulate stuff in the air?

by donblair about 5 years ago | 10 | 1,578 views | 3