Intermec CN4 User Manual page 117

EA21 Typical Reading Distances
Symbology
Code 39
UPC/EAN 100%
Data Matrix
PDF417
CN4 Mobile Computer User's Manual
EA21 Area Imager Typical Reading Distances
Typical distances are measured in an office environment (250 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)
Appendix A — Specifications and Default Settings
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)
20" 24" 28" 32"
60 70 80
Maximum Distance
18 cm (7.09 in)
30 cm (11.81 in)
60 cm (23.62 in)
95 cm (37.40 in)
41 cm (16.14 in)
22 cm (8.66 in)
35 cm (13.78 in)
29 cm (11.42 in)
44 cm (17.32 in)
40
30
20
10
0
10
20
30
40
cm
105