Seismograph Mass-Centered Feedback Controller from Germany
Active feedback controller maintaining sensor mass centering in force-feedback seismographs for stable long-period recording. HTS 9015.90.0150 as specialized geophysical part. Critical for observatory-grade installations.
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
• Technical drawings showing integration with force-feedback mechanism required
• Prove principal use via seismograph service manuals