CTD (instrument)

CTD device, disassambled showing pressure housing, sensor cage, connectors, inside electronic with sensors for conductivity, temperature and pressure.

Side and top views with (grey) Niskin bottles and (blue) CTD-logger

A CTD or Sonde is an oceanography instrument used to determine the conductivity, temperature, and depth of the ocean.

The CTD may be incorporated into an array of Niskin bottles referred to as a carousel or rosette. The sampling bottles close at predefined depths, triggered either manually or by a computer, and the water samples may subsequently be analyzed further for biological and chemical parameters.

单词	Water sampler
释义	Water sampler 英语百科 CTD (instrument) A CTD or Sonde is an oceanography instrument used to determine the conductivity, temperature, and depth of the ocean. The CTD may be incorporated into an array of Niskin bottles referred to as a carousel or rosette. The sampling bottles close at predefined depths, triggered either manually or by a computer, and the water samples may subsequently be analyzed further for biological and chemical parameters.
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Water sampler

CTD (instrument)