Photomultiplier Cathode-Ray Tube from Germany
Photomultiplier CRTs are photocathode tubes functioning as television camera tubes in low-light scientific and military imaging systems. They amplify photon signals via electron multiplication. HTS 8540.20.20 includes these as image intensifiers and other photocathode tubes for cameras.
Duty Rate — Germany → United States
16%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Obtain end-user statements specifying imaging vs scintillation counter use
• Test for radiation tolerance if high-energy physics applications suspected
• Include gain specifications (10^4-10^7) to confirm photocathode multiplication function