This paper describes a new CTD sonde which has been tested in situ. The sonde's measuring resolution is equivalent to 1/2 LSB of a 16-18 bit converter. With this resolution, the sonde can be record an accumulated value within a 1-5 msec time interval, depending on the throw. The sonde is constructed such that an approx. 7 m/sec water flow through the sonde is in no way obstructured. This paper then describes a new and improved two-phase alternating voltage bridge, with which sensors values can be measured linearly at an interval of 1 m/sec with a resolution of 16-18 bit of the usual measuring range.
Results from test trials with very fast measuring high precision CTD-sonde for profiling speeds of up to 7-10 m/s
Messergebnisse von sehr schnellen Messungen mit hoher Genauigkeit mittels der CTD-Sonde
Ocean Engineering and the Environment. Conf. Record ; 1 ; 610-615
1985
6 Seiten, 7 Bilder, 10 Quellen
Conference paper
English
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