SonTek RiverSurveyor M9 Discharge Meter from Canada
The SonTek RiverSurveyor M9 uses acoustic Doppler current profiling to measure river discharge and bathymetry. Classified under HTS 9015.80.80 as a hydrological instrument for stream flow measurement and flood analysis. Provides 3D velocity mapping across river cross-sections.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• USGS discharge measurement method validation supports proper classification
• Bottom tracking specifications distinguish from marine navigation Doppler
• Ruggedized housing prevents laboratory flow meter classification