8540.89.00.60/Photomultiplier Tube R928/China

Photomultiplier Tube R928 from China

The Hamamatsu R928 is a head-on type photomultiplier tube featuring a semi-cylindrical photocathode that provides high sensitivity to low light levels. It amplifies photoelectrons through a series of dynodes to produce a measurable electrical signal, making it ideal for scintillation counting and spectroscopy. Classified under HTS 8540.89.00.60 as a light-sensing tube due to its photocathode design for detecting and amplifying faint light signals.

Duty Rate — China → United States

38.7%

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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
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Import Tips

• Verify photocathode material and dynode configuration in technical specs to confirm classification as light-sensing tube under 8540.89

• Include manufacturer datasheets and end-use declarations to avoid misclassification as imaging tubes under 8529

• Ensure radiation shielding compliance if used in high-radiation environments, as these may trigger additional certifications