S-20 Photocathode Spectral Response Tube from Japan
S-20 spectral response photocathode tubes optimize UV-visible detection for photomultipliers and image converters. HTS 8540.20.4000 covers these extended red response photocathode tubes. Standard in analytical instrumentation.
Duty Rate — Japan → United States
13.3%
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
• Quantum efficiency curves by wavelength required for customs; common in flow cytometry imports
• Avoid 9027 instrument classification