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Bar Code Densities
The samples below show the difference between parallel and
serial bar codes.
Bar Code Densities
Value Bar Code Density (Char/in)
1
Code 39
I 2 of 5
Code 128*
MSI
UPC/EAN
6.63
12.02
8.74 (alphanumeric)
17.48 (numeric only)
6.87
80% standard density
2
Code 39
I 2 of 5
Code 128*
MSI
UPC/EAN
3.32
6.87
5.83 (alphanumeric)
11.66 (numeric only)
5.34
120% standard density
3
Code 39
I 2 of 5
Code 128*
MSI
4.01
4.93
4.37 (alphanumeric)
8.74 (numeric only)
4.01
4
Code 39
I 2 of 5
not supported
3.01
5
Code 39 6.01
*For more information on Code 128, see Appendix B.
Line Width
Serial Bar Code
Parallel Bar Code
5-4 Quick References