Photomultiplier Cathode-Ray Tube from Mexico
A photomultiplier cathode-ray tube functions as a television camera tube in low-light scientific and military imaging systems. It amplifies photon signals via electron multiplication, fitting the definition of a photocathode tube under this tariff item.
Duty Rate — Mexico → Canada
0%
Import Tips
• Specify the tube's use in camera systems to justify classification under 8540.20.00
• Provide technical data on photocathode sensitivity and electron multiplication
• Verify if export permits are needed for military-grade tubes