RD Instruments are the undisputed world leaders in acoustic doppler technology and this is proven with more than 3500 Acoustic Doppler Current Profilers (ADCP’s) delivered to customers worldwide since 1980. ADCP’s are used to measure the speed and direction of currents in the water column in depths from 2m to 1000m.

RD Instruments manufacture systems for real time monitoring and internal data logging with a choice of frequencies and ranges. Various upgrades are available to add to the flexibility of these industry standard instruments.