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
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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