Optical Oxygen Analyzer from Japan
Instrument using fluorescence quenching of optical sensor for dissolved oxygen measurement in liquids. Employs UV/blue excitation light, classified HTS 9027.50.80 as optical radiation chemical analyzer. For aquaculture and wastewater.
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
• Document fluorescence quenching principle and excitation wavelength specs
• Probe membranes declared as consumables, not main instrument
• Avoid electrochemical sensor confusion leading to 9027.80 classification