Aoustic Doppler Velocimeter
FlowTracker Handheld-ADVĀ® - SonTek
Designed with the field user in mind, the FlowTracker Handheld-ADV (Acoustic Doppler Velocimeter) measures 2D or 3D currents, attaches easily to wading rods, and features an automatic discharge computation using a variety of international methods, including ISO and USGS standards.