Appendix A — Specifications
CN51 Mobile Computer User Manual 139
EA31 Minimum Reading Distances
Minimum reading distances are measured in the dark (0 lux).
EA31 Minimum Reading Distances
EA31 Minimum Reading Distances
Symbology Density
Minimum
Distance
Maximum Distance
Code 39 0.10 mm/4 mils
0.13 mm/5 mils
0.20 mm/8 mils
0.25 mm/10 mils
0.50 mm/20 mils
1 mm/40 mils
8 cm/3.15 in
7 cm/2.76 in
4 cm/1.57 in
3.8 cm/1.5 in
7 cm/2.76 in
13.5 cm/5.31 in
10 cm/3.94 in
13 cm/5.12 in
20 cm/7.87 in
24.5 cm/9.65 in
45 cm/17.72 in
71.5 cm/28.15 in
EAN/UPC 100% 0.33 mm/13 mils 5 cm/1.97 in 29.5 cm/11.61 in