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Proportional Counter Gas Tube from Germany

Proportional counters use gas multiplication for precise radiation spectroscopy in nuclear physics. The gas amplification region creates proportional charge pulses, fitting HTS 8540.89.0020 as gas electron tubes.

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

Window material (mica typical) and gas gain specs required for declaration

Nuclear regulatory documentation often needed for physics research imports

Distinguish from sealed detectors by providing operating principle docs