@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: . skos:member . skos:narrower . skos:narrower . skos:narrower . skos:related . skos:related . skos:altLabel "NBA DNC-2 RCM" , "NBA DNC-2 RCM"@en ; skos:broader , ; skos:definition "A self-logging instrument measuring current speed with an impeller directly coupled to an electronic reed switch counter and current direction with a digital magnetic compass with 7-bit optical encoder. Accuracy quoted as +/- 2 per cent for speed and +/- 3 degrees for direction. Further information may be found in http://www.bodc.ac.uk/data/documents/nodb/508/ . Manufacturer went into liquidation in November 2012."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL0584" ; skos:note "accepted"@en ; skos:prefLabel "NBA DNC-2 recording current meter"@en ; skos:related . skos:narrower .