Geiger-Mueller Counter Tube from Germany
Geiger-Mueller tubes detect ionizing radiation through gas ionization avalanche in a cylindrical gas volume. Essential for radiation monitoring, they classify as gas electron tubes under HTS 8540.89.0020.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify fill gas (helium/neon mix typical) and operating voltage plateau
• NRC import license may be required for radiation detection equipment
• Dead time and efficiency specs help establish detector function