Chopper Wheel Motor Assembly from Germany
Precision DC motor with infrared chopper wheel for lock-in amplification in monochromator-based spectrometers (9027.30.40). Modulates light source for signal detection. Electrical modulation component under 9027.90.56.30.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify chopper frequency, blade count, and compatible detection systems
• Document electrical specifications (RPM, voltage) and thermal management features
• Include vibration isolation specifications proving analytical instrument quality