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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Ensure EPA CARB certification documentation for emissions equipment
• Declare full sensor suite (NOx, CO, HC) to justify engine testing classification