RBRlegato³

The RBRlegato³ is a small CTD instrument optimised for gliders and autonomous underwater vehicles. Designed to determine salinity by measuring the conductivity, temperature, and pressure, it can also incorporate a variety of sensors, such as optical dissolved oxygen, photosynthetically active radiation, turbidity, backscatter, and more. Its rugged inductive cell is not affected by surface contaminants or freezing conditions. The co-located thermistor reduces salinity spiking, thus increasing data accuracy. Equipped with a piezoresistive pressure channel, the RBRlegato³ provides more accurate salinity data when the instrument is sampling at varying depths. The instrument ensures totally silent operation for passive acoustic listening and turbulence measurements, and is rated to the depth of 1000m.

The RBRlegato³ comes in two variants:

  • RBRlegato³ C.T.D - 2Hz, standard thermistor response, realtime data output

  • RBRlegato³ C.T.D | fast16 - 16Hz, fast thermistor response, realtime data output

Key features of the RBRlegato³ C.T.D are:

  • High accuracy

    • Unaffected by surface contaminants

    • Pre-calibrated to account for static elements

    • Sampling rate up to 16Hz

  • Low power

    • 90% less power than pumped CTD

    • Longer mission and more samples

  • Silent operation

    • No pump or moving parts

    • Reduced noise for acoustic measurements

    • Reduced vibration for turbulence studies

rbrlegato c t d 8
legato in glider 1