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8540.20.40.00/S-20 Photocathode Spectral Response Tube/Germany

S-20 Photocathode Spectral Response Tube from Germany

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 — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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Import Tips

• Quantum efficiency curves by wavelength required for customs; common in flow cytometry imports

• Avoid 9027 instrument classification