{"title":"Results from test trials with very fast measuring high precision CTD sonde for profiling speeds of up to 7-10 m/s","authors":"W. Kroebel","doi":"10.1109/OCEANS.1985.1160255","DOIUrl":null,"url":null,"abstract":"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 record an accumulated value within a 1-5msec 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 obstructed. This paper then describes a new and improved two-phase alternating voltage bridge, with which sensor values can be measured linearly at an interval of 2 m/sec with a resolution of 16-18 bit of the usual measuring range.","PeriodicalId":437366,"journal":{"name":"OCEANS '85 - Ocean Engineering and the Environment","volume":"88 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"OCEANS '85 - Ocean Engineering and the Environment","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/OCEANS.1985.1160255","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
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 record an accumulated value within a 1-5msec 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 obstructed. This paper then describes a new and improved two-phase alternating voltage bridge, with which sensor values can be measured linearly at an interval of 2 m/sec with a resolution of 16-18 bit of the usual measuring range.
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