Cold Cathode Ion Gauge Tube from Canada
A cold cathode vacuum tube that measures pressure by ionizing gas with electron discharge between electrodes. Classified in HTS 8540.89.00.80 as other cold cathode tubes used in ultra-high vacuum systems for scientific and industrial applications.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document pressure measurement range and cold cathode construction to distinguish from hot cathode gauges
• Provide material safety data for any hazardous gases used in calibration