Intermec CN4 User Manual page 118

Appendix A — Specifications and Default Settings
EA21 Minimum Reading Distances
Symbology
Code 39
UPC/EAN 100%
Data Matrix
PDF417
106
EA21 Area Imager Minimum Reading Distances
Minimum distances are measured in the dark (0 lux).
0" 4"
in
16"
Note: Minimum distances depend on bar code length.
12"
PDF417 10 mils
8"
Data Matrix 10 mils
4"
0"
4"
0.15mm/6 mils
8"
0.25 mm / 10 mils
12"
100% contrast UPC EAN
16"
0 10
Density
0.15 mm (6 mil)
0.25 mm (10 mil)
0.5 mm (20 mil)
1 mm (40 mil)
0.33 mm (13 mils)
0.25 mm (10 mils)
0.38 mm (15 mils)
0.25 mm (10 mils)
0.38 mm (15 mils)
8" 12" 16"
0.5 mm / 20 mils
20 30 40 50
Minimum Distance
12 cm (4.72 in)
5 cm (1.97 in)
5 cm (1.97 in)
9 cm (3.54 in)
5 cm (1.97 in)
12 cm (4.72 in)
8 cm (3.15 in)
7 cm (2.75 in)
7 cm (2.75 in)
CN4 Mobile Computer User's Manual
20" 24" 28" 32"
60 70 80
Maximum Distance
18 cm (7.09 in)
28 cm (11.02 in)
55 cm (21.65 in)
75 cm (29.53 in)
38 cm (14.96 in)
22 cm (8.66 in)
34 cm (13.39 in)
28 cm (11.02 in)
40 cm (15.75 in)
40
30
20
10
0
10
20
30
40
cm