Seismograph Calibration Signal Generator from Canada
Portable generator producing known seismic waveforms for in-situ seismograph calibration and testing. Fits HTS 9015.90.0150 as seismograph maintenance accessory in geophysical applications. Ensures instrument accuracy per seismic network standards.
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 output waveforms matching seismic frequencies for classification proof
• Include calibration protocol references to USGS/USGS-equivalent standards