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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Bibliographische Detailangaben
Hauptverfasser: Nance, Thomas A, Steeper, Timothy J
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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.