Radiation Counter Geiger-Müller Tube from Japan
Gas-filled tubes detecting ionizing radiation through avalanche multiplication of electrons in detection gas. Classified under HTS 8540.89.00 as other gas-filled tubes specifically for radiation measurement.
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%
Import Tips
• Radiation detection efficiency curves and dead time specs required
• NRC/equivalent radiation safety certifications mandatory
• Distinguish from scintillation detectors under 9031