Digital PD Ruler from China
Handheld digital pupillometer measuring monocular and binocular pupillary distances, near PD, and vertical measurements for precise eyeglass lens centering. Classified under HTS 9018.50.00.00 as ophthalmic measurement instrument. Essential for high Rx and progressive lens dispensing accuracy.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include calibration verification against certified mechanical PD rulers
• Document measurement range and resolution specifications
• Provide battery safety and electromagnetic compatibility certifications