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8540.89.00.80/Cold Cathode Ion Gauge Tube/Japan

Cold Cathode Ion Gauge Tube from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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

Cold Cathode Ion Gauge Tube from Japan — Import Duty Rate | HTS 8540.89.00.80