Patent ID: 9304117
Filing Date: 2016-04-05
CPC Classification: G01N

Claim Text:
1. An aerosol exposure monitor, comprising: an impactor; a sample chamber communicating with the impactor and defining a laminar fluid flow path along a first axis; a collection filter communicating with the sample chamber and removable from the aerosol exposure monitor; a pump communicating with the collection filter; a light source configured to generate a light beam that occupies a sensing volume in the sample chamber, wherein the fluid flow path passes through the sensing volume along the first axis, and the light beam propagates along a second axis that is at an angle to the first axis; a light detector; a first bore defining a first optical path from the light source to the sensing volume along the second axis; and a second bore defining a second optical path from the sensing volume to the light detector along a third axis, wherein the first axis, the second axis and the third axis are at angles to each other.