Seismograph Anti-Aliasing Filter Module from Canada
This analog filter module prevents signal distortion in seismograph digitization by removing high-frequency noise before sampling. Classified in HTS 9015.90.0150 as a seismograph-specific accessory for accurate geophysical data acquisition. Essential for clean broadband seismic recordings.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify Nyquist frequency compliance for seismic sampling rates in technical datasheets
• Demonstrate inseparability from seismograph signal chain to uphold parts classification