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Multibeam Echo Sounder Calibration Sphere from Mexico

Precision tungsten carbide sphere used for calibrating multibeam echo sounders in geophysical bathymetric surveys. HTS 9015.90.0160 accessory for geophysical depth instruments. Known acoustic target signature.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Acoustic reflectivity specifications and size tolerances

Echo sounder model calibration procedures