Frequency Counter Timebase PCA from Canada
OCXO-based printed circuit assembly providing stable 10 MHz reference for universal frequency counters measuring signal periods. Classified HTS 9030.90.68.00 as part for electrical quantity measuring instruments. Oven-controlled crystal ensures ppm accuracy.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include aging rate and temperature stability specs (e.g
• ±0.05 ppm/°C)
• Verify GPS disciplining option doesn't trigger navigation equipment classification
• Ensure oven control circuitry is integral to counter function