Cavity Ring-Down Spectroscopy Trace Gas Analyzer from Japan
Ultra-sensitive optical spectrometer measuring ppb levels of water vapor, isotopes, and greenhouse gases using laser cavity decay time. HTS 9027.10.40.00 for advanced optical gas analysis.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include mirror reflectivity specifications (>99.99%) proving CRDS technology
• Classify for research use vs process control to avoid 9031
• Avoid 'optical sensor' generic description triggering broader classifications