Appendix D — EA30 Imager
122 ED40 Decode Board Integration Guide
Minimum Reading Distances
These are minimum reading distances measured in the dark (0 lux).
EA30 Minimum Reading Distances
Symbology Density Minimum Distance Maximum Distance
Code 39 0.1 mm / 4 mils 9.5 cm / 3.74 in 10.5 cm / 4.13 in
0.125 mm / 5 mils 8 cm / 3.15 in 14 cm / 5.51 in
0.5 mm / 20 mils 7 cm / 2.76 in 45 cm / 17.72 in
1 mm / 40 mils 9.5 cm / 3.74 in 62 cm / 24.41 in
EAN/UPC 100% 0.33 mm / 13 mils 6 cm / 2.36 in 31.5 cm / 12.4 in
DataMatrix 0.18 mm / 7 mils 8 cm / 3.15 in 15.5 cm / 6.1 in
0.25 mm / 10 mils 6.5 cm / 2.56 in 21.5 cm / 8.46 in
0.38 mm / 15 mils 5.5 cm / 2.17 in 31.5 cm / 12.4 in
PDF417 0.25 mm / 10 mils 5.5 cm / 2.17 in 25 cm / 9.84 in
0.38 mm / 15 mils 7 cm / 2.76 in 34 cm / 13.39 in
cm
PDF417 10 mils
0.5 mm / 20 mils
1 mm / 40 mils
Data Matrix 10 mils
in
0" 28"24"20"16"12"8"4"
070605040302010
EAN/UPC
0.125mm/5 mils
4"
8"
0"
4"
8"
12"
12"
10
0
10
20
20
30
30
Note: Minimum distances depend on the length of the bar code.
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