Neon Glow Transfer Tube from Canada
Neon glow transfer tubes use low-pressure neon gas for counting circuits in radiation detectors and logic applications. The gas discharge creates visible glow states for switching, fitting HTS 8540.89.0020 as vapor electron tubes.
Duty Rate — Canada → United States
13.7%
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
• Specify exact gas mixture and pressure specs to confirm vapor tube status
• Include circuit diagrams showing glow transfer function for classification support