| 摘要 |
PCT No. PCT/FI93/00576 Sec. 371 Date Aug. 14, 1995 Sec. 102(e) Date Aug. 14, 1995 PCT Filed Dec. 31, 1993 PCT Pub. No. WO94/16306 PCT Pub. Date Jul. 21, 1994The invention relates to an apparatus for water sampling. The invention relates to such a water sampling apparatus that permits intake of so-called composite samples as well as individual samples from different depths of water. The apparatus comprises a sampler (2) driven by an electric motor (3) and placed into connection with a buoyant container (10). The sampler is preferably a centrifugal pump (2) placed into connection with the container (10). The suction side of the pump (2) communicates with the sampling point and the pressure side communicates with a sample receiver. The sampler (2) is arranged to operate under control of a control unit (8) for taking samples of specific volume at specific intervals. The control unit (8) is placed inside said container (10). The electric motor (3) is powered by an accumulator (7) placed preferably inside the container (10). |
