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Hydrological Equipment

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Hess Stream Bottom Sampler, 500µm Nitex Mesh

Item No.:
17.00 LBS

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The Hess Sampler was designed for effective sampling of streams with gravel and small cobble bottoms. It has the same basic function as the Surber but is designed to prevent escape of organisms and contamination from drift. It consists of a stainless steel 13" (330 mm) by 16" high cylinder with two upstream and two downstream Nitex windows and two strong handles for pushing the cylinder into the stream bottom. Penetration depths of 3" or 6" can be achieved by attaching the handles to either end of the sampler. Water flows through the upstream opening of the sampler and out through the downstream windows and into the collection net and bucket. The downstream net is constructed of Nitex nylon in a choice of mesh sizes.

500 micron mesh net.