Channeltron Electron Multiplier Tube from Mexico
Burle Channeltron C-30810 continuous channel electron multiplier tube for mass spectrometry, providing gain >10^8 with 100ps FWHM timing resolution. Features curved channel geometry for high count rates up to 10^7 cps. Classified under HTS 8540.89.00.60 as light-sensing tube technology adapted for charged particle detection.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document particle detection application vs pure light-sensing to justify tube classification
• High voltage operation specs (>2kV) distinguish from semiconductor multipliers
• Cleanroom packaging certification required for contamination-sensitive applications