| 摘要 |
An air monitoring cassette for monitoring airborne particulate wherein the cassette includes a housing defining an airway therethrough. The housing includes an outlet end for connection to a pump. The housing further includes an inlet end opposite the outlet end and a filter to collect particulate thereon intermediate said outlet end and inlet end. The inlet end includes an outwardly flared inside surface so that particulate laden air can be drawn through the cassette and non-uniform deposition of particulate on the filter reduced.
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