Seismograph Timing Synchronization Board from Japan
This circuit board provides GPS-synchronized timing for multi-station seismograph networks, ensuring accurate earthquake event correlation. It qualifies for HTS 9015.90.0150 as a specialized accessory dedicated to seismograph operations in geophysical monitoring. Precision timing is vital for seismic array deployments.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include GPS timing protocol certifications linking to seismograph standards for proper Chapter 90 classification
• Document network synchronization for seismic arrays to distinguish from general timing devices