Rotating drum variable depth sampler

A sampling device for collecting depth-specific samples in silt, sludge and granular media has three chambers separated by a pair of iris valves. Rotation of the middle chamber closes the valves and isolates a sample in a middle chamber.

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Bibliographic Details
Main Authors Nance, Thomas A, Steeper, Timothy J
Format Patent
LanguageEnglish
Published 01.07.2008
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Summary:A sampling device for collecting depth-specific samples in silt, sludge and granular media has three chambers separated by a pair of iris valves. Rotation of the middle chamber closes the valves and isolates a sample in a middle chamber.