Solar Blind Phototube from Germany
CsTe solar blind phototube with response peak at 220nm and sharp cutoff at 320nm for ozone monitoring and flame detection. Vacuum tube construction eliminates solar interference in UV spectroscopy. Classified under HTS 8540.89.00.60 as specialized light-sensing tube for UV spectrum.
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%
Import Tips
• UV transmission window specifications distinguish from visible response tubes
• NIOSH certification may be required for industrial hygiene monitoring applications
• Declare cathode activation process to verify solar blind spectral cutoff