Campbell Scientific IRGASON Infrared Gas Analyzer from Japan
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 — 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
• 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