This water sampler consists of water diverting device, water sampling controller, the locating device, the controlling electric circuit and the single-board computer system.

采样器由引水装置，采水量控制装置、定位装置、控制电路、单板机系统构成。

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That will then be followed by the water sampling device - its descent captured live by HD cameras - and then the sediment corer.

BBC: Key tests in search for life in frozen Antarctic lake

According to Ed Waugh, who designed the electronics for the water sampling device, the trials are "a useful way of getting a feel for the task".

BBC: Key tests in search for life in frozen Antarctic lake