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Cold Cathode Ion Gauge Tube from China

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 — China → United States

41.2%

Rate breakdown

9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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