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

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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