Optical Comparator Edge Detection Chart from Canada
Test chart with precision edges and patterns for verifying edge detection accuracy and resolution on optical comparators classified under 9031.80.40. Used for ISO calibration verification. Dedicated test accessory under HTS 9031.90.70.00.
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
• Include traceability certification to metrology standards
• Specify pattern dimensions scaled for projector magnifications
• Distinguish from general test targets via machine-specific scaling