SonTek RiverSurveyor M9 Discharge Meter from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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