Vacuum Ion Pump Controller for Synchrotron from Japan
Electronic controller for sputter-ion pumps maintaining ultra-high vacuum in synchrotron particle accelerators. Falls under HTS 8543.90.88.45 as a critical electrical part ensuring beam path integrity by preventing gas scattering. Includes high-voltage regulation and diagnostic telemetry.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include vacuum specs (e.g
• 10^-10 Torr capability) in invoices; certify radiation tolerance for beamline use; avoid bulk packaging declarations that suggest general lab use