"Aanderaa RCM 9 LW Recording Current Meter"@en . . "SDN:L22::TOOL0027" . "The RCM 9 LW is a single-point doppler recording current meter with a lightweight case to operate at depths of up to 300 metres. Further information may be found on the BODC document server at URL http://www.bodc.ac.uk/data/documents/nodb/106028/"@en . .