Denso BHT-4000 User Manual page 158

(2) Optical Properties Required for Bar Code Labels
White bars: Reflection intensity
Black bars:
(3) Bar Code Label Size
Width : 15 mm min. (0.59 inch)
(recommended)
Length :
Width
(4) Thickness of Bars and Depth of Field
Minimum narrow bar width
0.17 mm (6.69 mils)
0.25 mm (9.84 mils)
0.6 mm (23.62 mils)
1.0 mm (39.37 mils)
1.2 mm (47.24 mils)
* Under the following conditions:
• Ambient illuminance: 500 lux. (fluorescent lamp)
• 20-digit ITF
• PCS value: 0.9 min.
** Under the following conditions:
• Ambient illuminance: 500 lux. (fluorescent lamp)
• ITF conforming to the UPC Shipping Container Code
• PCS value: 0.9 min.
Reflection intensity
PCS value
Depth of field
(Distance from bar codes to the
bar-code reading window)
0 mm
310 mm
(12.21")
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0
148
0.45 min.
0.25 max.
0.45 min.
Length of labels
(including margins)
80 mm max. (3.15 inches max.)
(Minimum narrow bar width:
0.17 mm min.*)
400 mm max. (15.75 inches max.)
(Minimum narrow bar width:
1.4 mm min.**)
Length
Depth of field
10 mm (0.39 in.)*
45 mm (1.77 in.)*
130 mm (5.12 in.)**
220 mm (8.66 in.)**
260 mm (10.24 in.)**