@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @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 semapv: . @prefix skos: . @prefix sssom: . @prefix void: . rdf:type skos:Concept ; dce:identifier "SDN:L22::TOOL0770" ; dc:date "2014-08-15 11:24:21.0" ; dc:identifier "SDN:L22::TOOL0770" ; dc:isVersionOf ; pav:authoredOn "2014-08-15 11:24:21.0" ; pav:version "1" ; void:inDataset ; owl:deprecated "false" ; owl:versionInfo "1" ; skos:altLabel "Raytheon RD500" ; skos:broader , ; skos:definition "The Raytheon RD500 echosounder records and prints depth in six ranges from zero to 10, 25, 50, 100, 500, and 1,000 feet, meters, or fathoms. Accuracy is 0.2 m in the 0-100m ranges, and the greater of 1m or 2 percent of the deeper ranges. Digital display of depth is provided by three-digit LCD on the front control panel. An audible depth alarm indicator is presettable from one to 999 feet, meters, or fathoms, to warn of shallow conditions.The device has a 80-kHz transducer but is also available without one, for use on ships equipped with Raytheon's DSL-250 MKII and DSL- 450 MKII Doppler Speed Logs"@en ; skos:notation "SDN:L22::TOOL0770" ; skos:note "accepted"@en ; skos:prefLabel "Raytheon RD500 singlebeam echosounder"@en ; skos:related .