Cold Cathode Ion Gauge Tube from Germany
Cold cathode tubes measuring ultra-high vacuum by ionizing residual gas with high-voltage discharge between electrodes. HTS 8540.89.00 includes these as other cold cathode tubes for vacuum measurement applications.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Vacuum range (Torr/Pascal) and bakeout temperature ratings in documentation
• Contamination sensitivity requires sealed shipping containers
• Avoid misclassification as vacuum pumps under 8414