Process Gas Chromatograph Interface Board from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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