Denso BHT-7500 - Manual (Page 190)

170
(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.
[ 2 ] Bar Code Specifications
(1) Available Bar Code Types
Bar code type Bar dimensions Readable magnification
Universal product codes
EAN-13
EAN-8
UPC-A
UPC-E
EAN-13 with supplemental codes
EAN-8 with supplemental codes
UPC-A with supplemental codes
UPC-E with supplemental codes
2-digit add-on
5-digit add-on
Interleaved 2of5 (ITF)
Standard 2of5 (STF)
Codabar (NW-7)
Code 39
0.26 to 0.66 mm
(10.24 to 25.98 mils) 0.8 to 2.0
0.125 mm min. (4.92 mils min.)
PCS value ≥ 0.9
Reflection intensity difference between white
and black bars ≥ 0.8
0.15 mm min. (5.91 mils min.)
(PCS value ≥ 0.45)
0.15 mm min. (5.91 mils min.)
PCS value ≥ 0.9
Reflection intensity difference between white
and black bars ≥ 0.8
0.19 mm min. (7.48 mils min.)
(PCS value ≥ 0.45)
All of the above values are under the following conditions:
- Ambient illuminance: 500 to 3000 x
- Light source: Xenon lamp
Code 93
Code 128
EAN-128