Smoke Detection Analyzer Control PCB from China
Printed circuit board assembly dedicated to smoke analysis apparatus under subheading 9027.81, featuring particle detection algorithms and alarm interfaces. This component processes optical and ionization sensor signals for industrial smoke monitoring systems. It falls under 9027.90.4500 as a specialized electrical part for physical/chemical analysis instruments.
Duty Rate — China → United States
35%
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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Provide instrument model compatibility certificates linking PCB to specific 9027.81 gas/smoke analyzers
• Label assemblies clearly as 'for gas analysis instruments' to prevent misclassification as consumer electronics
• Watch for country-of-origin marking requirements on PCBs containing US-origin chips