. . . . . . . "NBA DNC-2 RCM" . "NBA DNC-2 RCM"@en . "SDN:L22::TOOL0584" . "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 . . "NBA DNC-2 recording current meter"@en . . "accepted"@en . . .