Denso BHT-7500 - Manual (Page 191)

171
Appendices
(3) Bar Code Label Size
Recommended width: 10 mm min. (0.39 inch min.)
Length:
Depth of field
(Distance from bar codes to
the bar-code reading window)
Length of labels
(including margins)
Length
Minimum narrow bar width Depth of field
(4) Thickness of Bars and Depth of Field
0.127 mm (5.00 mils) 40 to 80 mm (1.57 to 3.15 inches)* 1
0.19 mm (7.48 mils) 30 to 160 mm (1.18 to 6.30 inches)* 2
0.33 mm (12.99 mils) 30 to 230 mm (1.18 to 9.06 inches)* 3
0.51 mm (20.08 mils) 0 to 330 mm (0 to 13.00 inches)* 4
1.0 mm (39.37 mils) 0 to 430 mm (0 to 16.93 inches)* 5
1.4 mm (55.12 mils) 0 to 560 mm (0 to 22.05 inches)* 6
* 1 Under the following conditions:
- Ambient illuminance: 500 x . (Xenon lamp)
- Code 39, 8-digit
Narrow bar : Wide bar = 1 : 2.2
- Reflection intensity of white bars: 85% min.
Reflection intensity of black bars: 5% max.
* 2 Under the following conditions:
- Ambient illuminance: 500 x . (Xenon lamp)
- Code 39, 6-digit
Narrow bar : Wide bar = 1 : 2.2
- Reflection intensity of white bars: 85% min.
Reflection intensity of black bars: 5% max.
* 3 Under the following conditions:
- Ambient illuminance: 500 x . (Xenon lamp)
- EAN-13, 1.0 magnification
- Reflection intensity of white bars: 85% min.
Reflection intensity of black bars: 5% max.
* 4 Under the following conditions:
- Ambient illuminance: 500 x . (Xenon lamp)
- Code 39, 3-digit
Narrow bar : Wide bar = 1 : 2.2
- Reflection intensity of white bars: 85% min.
Reflection intensity of black bars: 5% max.
* 5 Under the following conditions:
- Ambient illuminance: 500 x . (Xenon lamp)
- ITF conforming to the UPC Shipping Con-
tainer Code
- Reflection intensity of white bars: 85% min.
Reflection intensity of black bars: 5% max.
* 6 Under the following conditions:
- Ambient illuminance: 500 x . (Xenon lamp)
- Code 39, 2-digit
Narrow bar : Wide bar = 1 : 2.2
- Reflection intensity of white bars: 85% min.
Reflection intensity of black bars: 5% max.
Width
80 mm (3.15 inches) 80 mm max. (3.15 inches max.)
(Minimum narrow bar width:
0.127 mm min.)*
1
560 mm (22.05 inches) 520 mm max. (20.47 inches max.)
(Minimum narrow bar width:
1.4 mm min.)*
6