Campbell Scientific IRGASON Infrared Gas Analyzer from Canada
The Campbell Scientific IRGASON measures turbulent fluxes of carbon dioxide and water vapor for meteorological research. Classified under HTS 9015.80.80 as a meteorological instrument for atmospheric boundary layer analysis. Used in flux tower networks and climate studies.
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
• EPA method validation documentation required for atmospheric research instruments
• Calibration gas certificates must accompany to verify measurement accuracy
• Distinguish from industrial gas analyzers that classify under heading 9027