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The Neuston Net acc. to David/Hempel Model 300 has been designed for accurate epineuston and hyponeuston sampling. A current field of application is e.g. microplastic sampling. It consists of a slender catamaran swimmer body of aluminium with relative high draft, caring for a stable position even under choppy conditions at sea. The vertically adjustable double net frame receives the rectangular surface and sub-surface net bags with a standard mesh size of 300 microns (or as per choice between 100 and 500 microns). For easy retrieval the sample is concentrated inside two removable plastic net buckets with side window (covered with sieve gauze). A bridle with one adjustable leg is used to operate the net from starboard, portside or stern.
| TECHNICAL DATA | |
|---|---|
| Material | Catamaran, spreader bars and double net frame: aluminium Net bags: MOnyl (PA) Net bucket: PVC |
| Dimensions | 300 cm x 220 cm x 60 cm (l x w x h) Immersion depth of swimmer: approx. 30 cm |
| Weight | 95 kg |
| Mouth opening of net bags | 2 x 30 x 15 cm / 2 x 0.045 m² |
| Length of net bag |
400 cm |
| End dia. of net bag | 11 cm |
| Mesh size | 335 microns (or as per choice between 100 and 500 mircons) |
