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Appendices
[ 2 ] Bar Code Specifications
Normal-range Type
(1) Available Bar Code Types
Bar code type Bar dimensions Readable magnification
Universal product codes
EAN-13 0.26 to 0.33 mm 0.8 to 1.0 magnification
(10.24 to 13.0 mils)
EAN-8 0.26 to 0.46 m 0.8 to 1.4 magnifications
(10.24 to 18.1 mils)
UPC-A 0.26 to 0.33 mm 0.8 to 1.0 magnification
(10.24 to 13.0 mils)
UPC-E 0.26 to 0.56 mm 0.8 to 1.7 magnifications
(10.24 to 22.0 mils)
EAN-13 with supplemental codes
EAN-8 with supplemental codes
UPC-A with supplemental codes
UPC-E with supplemental codes
2-digit add-on 0.26 to 0.66 mm 0.8 to 2.0 magnifications
(10.24 to 26.0 mils)
5-digit add-on 0.26 to 0.66 mm 0.8 to 2.0 magnifications
(10.24 to 26.0 mils)
[Long-range scanning]
Interleaved 2 of 5 (ITF)
Standard 2 of 5 (STF)
CODABAR (NW7)
CODE39
CODE93
CODE128
* The above values (except for those for bar codes with
supplemental codes) are under the following conditions:
• Touch scanning
• Ambient illuminance: 500 to 3000 lux. (Xenon lamp)
(2) Optical Properties Required for Bar Code Labels
White bars: Reflection intensity 45% min.
Black bars: Reflection intensity 25% max.
PCS value 0.45 min.
0.1 mm min. (3.94 mils min.)
PCS value ≥ 0.9
Reflection intensity difference between white
and black bars ≥ 80%
0.15 mm min. (5.91 mils min.)
(PCS value ≥ 0.45)
0.15 mm min. (5.91 mils min.)
(PCS value ≥ 0.45)