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PolylabelBarcode Types – NW-7 (CODABAR)

Barcode Types – NW-7 (CODABAR)

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One of the binary level barcodes, developed by Monarch Marking Inc., in 1972. Seven Black & White and Narrow & Wide bars make up this barcode standard. Its name was derived from its composition. It is also generally called CODABAR.

NW-7 lends itself to easily printing serial numbers due to its comparatively simple bar compositions, discrete type, relaxed gaps, and son on.

We can choose start and stop characters from four alphabet characters: a, b, c, and d, and as a result, there are 16 pattern (4 x 4) combinations that indicate content data.

Checkdigit is not needed, if it is used however, 7 (or 9) check is often used due to its ease of serial number printing.

Summary of NW-7 Symbol

    Character set 4 types of Start/Stop character
Numerics, 10 arphabet characters and marks
    Code type discrete
    Length of symbol variable
    Self check yes
    Checkdigit optional
    Character Density about 5 chars/cm

 

Character Compositions

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