Appendix A — Specifications and Reading Distances
SG20T Tethered Scanner User’s Guide
49
SG20T2D, SG20T2DHC
Symbology
Density
Minimum Distance
Maximum Distance
Code 39
0.1 mm (4 mils)
0.125 mm (5 mils)
0.5 mm (20 mils)
1 mm (40 mils)
3.5 cm (1.38 in)
2 cm (0.79 in)
4 cm (1.57 in)
11 cm (4.33 in)
15.5 cm (6.10 in)
20 cm (7.87 in)
60 cm (23.62 in)
95 cm (37.40 in)
EAN/UPC
0.33 mm (13 mils)
3 cm (1.18 in)
38 cm (14.96 in)
PDF417
0.25 mm (10 mils)
0.38 (15 mils)
2 cm (0.79 in)
3 cm (1.18 in)
25 cm (9.84 in)
35 cm (13.78 in)
DataMatrix
.025 mm (10 mils)
3 cm (1.18 in)
17 cm (6.69 in)
4"
8"
0"
4"
8"
12"
12"
cm
0.5 mm / 20 mils
1 mm / 40 mils
in
EAN/UPC
0.125mm/5 mils
10
0
10
20
20
30
30
PDF417 10 mils
Data Matrix 10 mils
0"
36"
32"
28"
24"
20"
16"
12"
8"
4"
40"
0
90
80
70
60
50
40
30
20
10
90
100
