Automatic high-speed plankton sampler - Williamson (1962, 1963)
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||Automatic high-speed plankton sampler|
|Definition||A sampler that has a series of 21 nets attached to the bottom of rectangular "trap doors" which are sequentially closed by means of a cam/screw assembly driven by a ships log (propellor). Each net is about 6.35 cm long and made of nylon cloth with 23.6 meshes per cm. The body of the device is 29.2 cm tall x 14 cm wide x 114 cm long not including the side fins. The aperture is 1.9 cm x 1.9 cm Effective sampling speeds 5 to 11 knots and sample length is 1 to 20 cm.|
|Has Current Version||1|
|L05 SeaDataNet device categories - (2)|
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