Process Gas Chromatograph Interface Board from Japan
Interface PCB connecting process gas chromatographs (9027.89) to plant DCS systems, featuring analog I/O, Profibus, and oven temperature control circuits. Used in petrochemical refineries for continuous composition analysis. Classifies as printed circuit assembly for chemical analysis instruments.
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
• Document hazardous area certifications (ATEX/IECEx) for refinery process environments
• Include process variable specifications (pressure, temperature ratings)
• Classify column oven assemblies separately under other 9027.90 provisions