Acoustic Doppler Current Profilers (ADCP)
The Aquadopp Profiler is a small and lightweight profiler for use in the coastal ocean to profile ranges from 1 to 100 m. This profiler can optionally be delivered with special, "HR" firmware. In HR mode, the instrument is capable of measuring at high frequency (>1 Hz) and with high spatial resolution over short profiling ranges.
The Aquadopp Profiler comes in a variety of mechanical configurations.
The Signature75 is Nortek's latest generation, long-range current profiler, featuring a specified range of 800m.