@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 "The Kongsberg EM712 is a high to very high resolution multibeam echosounder. It operates at frequencies from 40 to 100 kHz, with a maximum ping rate of 30 Hz. The EM712 features a depth range of 3m below the transducer to 3600m (1800m for the EM712S model, and 600m for the EM712RD model). Across track coverage (swath width) is up to 5.5 times water depth, with a maximum of more than 3500 m."@en ; sdo:inDefinedTermSet ; sdo:name "Kongsberg EM 712 multibeam echosounder"@en ; sdo:termCode "SDN:L22::TOOL1601" .