• Ultra-low power
  • WOCE accuracy
  • Up to 8Hz sampling
  • Bins as small as 10cm
  • Conductivity to within 10cm of air-ocean interface


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To assist with the international Argo program, we developed the RBRargo³ CTD for profiling floats. Salinity to the surface is default behaviour and a full range of additional sensors are available including optical DO, pH, PAR, fluorometers, and others. The RBRargo³ CTD has been integrated and tested on most commercial profiling floats and have been deployed in the Labrador Sea, Coral Sea, Tropical Atlantic, Alaska, Bay of Bengal, Southern California, Caribbean Sea, Phillippine Sea, and North Atlantic. The data from RBRargo³ CTDs are accepted in the ARGO program data stream for research.