Barcode FAQ

General Verification FAQ

Question: What is verification?
Answer: A standardized method for determined the quality of a bar code
Question:Why should I verify my bar codes?
Answer: In order to prevent product rejection and possible fines you need to inspect your bar codes to ensure compliance with the ISO standards
Question:What is the difference between the “Scan Grade” and the “Overall Symbol Grade?”
Answer: The Scan Grade is the result of a single inspection scan of the bar code symbol. The Overall Symbol Grade is an average of each individual Scan Grade. ISO/ANSI require a 10 scan average throughout the height of the symbol
Question:Do the bar codes have to have black bars?
Answer: No, you can use different colors. The key is to ensure that the contrast between the bars and the spaces is sufficient
Question:Do I need to inspect every bar code I print?
Answer: This depends on your agreements with your customers. In most cases a statistical sampling is sufficient. The frequency of the sample depends on many variables such as; print method, typical overall scan grade, potential variation in the printing system, size of the bar code, etc.

Barcode Knowlegde

Glossary Article Numbering Association (A.N.A.) The co-ordinating body in the U.K. for article numbering using the EAN, ITF-14 and EAN-128 standards. Now renamed GS1. AIM Automatic Identification Manufacturers Association. This organisation has branches in most countries or regions. It is supported by manufacturers and suppliers of automatic ID equipment and services. Alphanumeric A character set …

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Barcode Verify Standards

Barcode Verify Standards

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Types of Barcodes

Linear barcodes Symbology Continuous or discrete Bar widths Uses U.P.C. Continuous Many Worldwide retail, GS1-approved – International Standard ISO/IEC 15420 Codabar Discrete Two Old format used in libraries and blood banks and on airbills (out of date) Code 25 – Non-interleaved 2 of 5 Continuous Two Industrial Code 25 – Interleaved 2 of 5 Continuous …

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How to…

Types of barcodes Linear barcodes Symbology Continuous or discrete Bar widths Uses U.P.C. Continuous Many Worldwide retail, GS1-approved – International Standard ISO/IEC 15420 Codabar Discrete Two Old format used in libraries and blood banks and on airbills (out of date) Code 25 – Non-interleaved 2 of 5 Continuous Two Industrial Code 25 – Interleaved 2 of …

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Useful links

GS1 US North American bar code standards http://www.uc-council.org GS1 UK UK bar code standards http://www.gs1uk.org GS1 International International bar code standards http://www.gs1.org AIM U.S.A. Association of Auto ID Manufacturers http://www.aimusa.org Health Industry Business Communications Council North American Health Industry barcoding http://www.hibcc.org Automotive Industry Action Group Barcoding for the Automotive sector http://www.aiag.org International GS1 Agencies These …

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