@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix dcterms: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix sdo: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . @prefix xsd: . rdf:type sdo:DefinedTerm ; sdo:description "A CTD that measures, calculates and records sea water conductivity, salinity, temperature, depth (pressure),  sound velocity and water density. Three optional sensors can be added, for example: dissolved oxygen, fluorescence and turbidity. For optional sensors with several sensitivies, the SD204 has an autorange capability. The instrument is equipped with a mooring bar with a shackle at each end. Data are recorded in physical units and simultaneously transmitted via an RS232 I/O watertight connector for on-line use."@en ; sdo:inDefinedTermSet ; sdo:name "SAIV SD-204 CTD"@en ; sdo:termCode "SDN:L22::TOOL0180" .