Barcode Scanners also called barcode readers, scan 1D and 2D codes and are used as an input device to translate the code. Barcode verifiers analyze a barcode to ensure codes can be read by any barcode scanning devise, based on industry grading standards.
Barcode Verifiers in addition to reading the barcode, a verifier insures that codes are printed correctly and meet an industry – rather than an individual producer – quality threshold. Compared to barcode readers, barcode verifiers are a superior measure of symbol readability because they normalize the range of performance among the multiple various types of readers. When printing barcodes with a thermal printer, changes in speed and heat settings will affect the darkness of the code lines. Also, older or failing printheads can cause gaps or broken spaces on the barcode.
Analyzes industry Standard Parameters
A barcode verifier takes more time to analyze a code and generates more data than a reader, which only reveals the data within a code. Verifiers analyze and report on formal parameters based on international standards. These parameters measure a number of factors that affect barcode reader's ability to identify and decode a code. Verifiers test different parameters for 1-D, 2-D, and direct part mark (DPM) codes based on a governing standard, such as an ISO international standard, or ANSI grading.
Barcode Verification Identifies Printing and Marking Problems
Unlike barcode readers, verifiers also pinpoint the reason(s) why a barcode will not scan, revealing where the barcode is deficient so the producer can take corrective action. Printed reports listing barcode grades help certify that codes meet industry standards. Handheld or stand-mount Verifier software offers diagnostic features to identify problems with barcodes that do not pass and provide information needed to improve the code so that it and others will pass. Barcode Verifiers that are built into printers, are capable of striking lines through a label with a bad barcode, guaranteeing they can't be used.
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