1. TC73/TC78 Product Reference Guide
  2. Technical Specifications
  3. SE4770 Decode Distances
  • TC73/TC78 Product Reference Guide
SE4770 Decode Distances

SE4770 Decode Distances

The table below lists the typical distances for selected bar code densities. The minimum element width (or “symbol density”) is the width in mils of the narrowest element (bar or space) in the symbol.
Symbol Density/ Bar Code Type
Typical Working Ranges
Near
Far
3 mil Code 39
3.0 in. (7.9 cm)
5.8 in. (14.7 cm)
5.0 mil Code 128
2.3 in. (8.89 cm)
9.8 in. (24.9 cm)
5 mil PDF417
3.0 in. (7.6 cm)
7.9 in. (20 cm)
6.67 mil PDF417
2.5 in. (6.35 cm)
10.1 in. (26 cm)
10 mil Data Matrix
2.1 in. (5.3 cm)
11.0 in. (28 cm)
100% UPCA
1.6 in. (4.0 cm)
24.9 in. (63.2 cm)
15 mil Code 128
2.4 in. (6.0 cm)
27.8 in. (70.6 cm)
20 mil Code 39
1.6 in. (4.0 cm)
36.1 in. (91.7 cm)
Note: Photographic quality bar code at 18° tilt pitch angle under 30 fcd ambient illumination.