Pupilometer Optical Sensor from Canada
Infrared optical sensor measuring pupillary distance for eyewear fitting. HTS 9018.90.20.00 includes optical pupillometers as sight-testing appliances. Digital readout for precise lens centering.
Duty Rate — Canada → 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
• Calibrate against certified test targets; include linearity certificates
• Specify measurement range (50-85mm) and repeatability specifications
• Distinguish from mechanical PD rules (non-optical) for proper classification