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Atmospheric sampling: description of a small flow-control valve unit.
Stone-JP; Eaton-HG; Williams-FW
Rev Sci Instrum 1975 Sep; 46(9):1288-1289
A midget valve package is described, incorporating filters and a critical orifice that controls time-integrated sampling of whole air for intervals exceeding 8 hours. The valve is 63.5 millimeters long, weights 30 grams and in conjunction with a container, comprises a shirt-pocket-size portable sampler.
NIOSH-Publication; NIOSH-Contract; Sampling-equipment; Control-equipment; Intake-valves; Design; Atmospheric-sampling
Issue of Publication
Review of Scientific Instruments
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division