Specifications A - 5
SE4750-SR Decode Distances
The table below lists the typical distances for selected bar code densities.
Table A-4 SE4750-SR Decode Distances
Symbol Density/ Bar Code Type
Typical Working Ranges
Near Far
3 mil Code 39 2.8 in.
7.1 cm
6.2 in.
15.7 cm
5.0 mil Code 128 2.3 in.
5.8 cm
8.7 in.
22.0 cm
5 mil PDF417 3.0 in.
7.6 cm
8.1 in.
20.6 cm
6.67 mil PDF417 2.2 in.
5.6 cm
10.6 in.
26.9 cm
10 mil Data Matrix 2.4 in.
6.1 cm
10.6 in.
26.9 cm
100% UPCA 1.6* in.
4.1* cm
23.0 in.
58.4 cm
15 mil Code 128 2.4* in.
6.1* cm
25.2 in.
64.0 cm
20 mil Code 39 1.6* in.
4.1* cm
36.3 in.
92.2 cm
* Limited by width of bar code in field of view.
Note: Photographic quality bar code at 18° tilt pitch angle under 30 fcd ambient illumination.
Distances measured from front edge of scan engine chassis.
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