Patent ID: 7987695
Filing Date: 2011-08-02
Classification: G01N

Abstract:
1. An air quality particulate monitor comprising: a housing; an air-moving device coupled to the housing; a first air passageway disposed at least partially within the housing, the air-moving device operable to create an airflow through the air passageway; a real-time measuring device positioned at least partially within the housing and in fluid communication with the first air passageway; and a particulate collection device positioned at least partially within the housing and in fluid communication with the first air passageway, the collection device positioned downstream of the real-time measuring device; a first impactor coupled to the housing, wherein the first impactor is configured to trap or filter particulates having a particular nominal size or greater; and a second air passageway at least partially containing therein the first impactor, the second air passageway selectively fluidly communicable with the first air passageway.