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Horiba STARS Emissions Analyzer from Japan

Horiba STARS is an automated system measuring exhaust emissions, opacity, and particulate matter from internal combustion engines. Classified under HTS 9031.80.80.70 for its role in engine characteristic testing beyond simple gas analysis. Used in labs for compliance with emission standards.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Ensure EPA CARB certification documentation for emissions equipment

• Declare full sensor suite (NOx, CO, HC) to justify engine testing classification