Intermec CN4, User Manual, Page: 117 / 146

Appendix A — Specifications and Default Settings
CN4 Mobile Computer User’s Manual 105
EA21 Area Imager Typical Reading Distances
Typical distances are measured in an office environment (250 lux).
cm
PDF417 10 mils
0.15mm/6 mils
0.25 mm / 10 mils
0.5 mm / 20 mils
Data Matrix 10 mils
in
0" 32" 28" 24" 20" 16" 12" 8" 4"
0 80 70 60 50 40 30 20 10
100% contrast UPC EAN
0"
4"
8"
0
10
20
12"
16"
30
40
16"
12"
8"
4"
40
30
20
10
Note: Minimum distances depend on bar code length.
EA21 Typical Reading Distances
Symbology Density Minimum Distance Maximum Distance
Code 39 0.15 mm (6 mil)
0.25 mm (10 mil)
0.5 mm (20 mil)
1 mm (40 mil) 12 cm (4.72 in)
5 cm (1.97 in)
5 cm (1.97 in)
9 cm (3.54 in) 18 cm (7.09 in)
30 cm (11.81 in)
60 cm (23.62 in)
95 cm (37.40 in)
UPC/EAN 100% 0.33 mm (13 mils) 5 cm (1.97 in) 41 cm (16.14 in)
Data Matrix 0.25 mm (10 mils)
0.38 mm (15 mils) 12 cm (4.72 in)
8 cm (3.15 in) 22 cm (8.66 in)
35 cm (13.78 in)
PDF417 0.25 mm (10 mils)
0.38 mm (15 mils) 7 cm (2.75 in)
7 cm (2.75 in) 29 cm (11.42 in)
44 cm (17.32 in)