ISO 15426-1 Primary Reference Test Card provides all Primary Reference Symbols specified by ISO 15426-1 for bar code verifiers. Each card contains 8 precision 1D bar codes. These include one EAN standard – EAN-13 Grade 4 (A) – and 7 UPC codes: UPC-A Grade 4(A), Defect Void Grade 1 (D), Decodability Edge Grade 1(D), Modulation Grade 1 (D), Defect Spot Grade 1 (D), Decodability Bar Grade 1(D), Contrast Grade 1(D), and six calibrated reflectance patches.