AC670 Decode Distances

AC670 Decode Distances

The following table lists the typical distances for selected barcode densities. The minimum element width (or “symbol density”) is the width in mils of the narrowest element (bar or space) in the symbol.
Typical AC670 Decode Distances
Symbol Density/Barcode Type
Near
Far
5 mil Code 39 2.5:1
11.7 cm (4.6 in.)
145.0 cm (57.1 in.)
6.67 mil PDF417
13.5 cm (5.3 in.)
132.0 cm (51.8 in.)
10 mil Data Matrix
12.2 cm (4.8 in.)
135.0 cm (53.1 in.)
100% UPCA
5.6* cm (2.2* in.)
373.0 cm (147.0 in.)
20 mil Code 39
*
546.0 cm (215.0 in.)
40 mil Code 39
*
1095.0 cm (431.0 in.)
55 mil QR
*
770.0 cm (303.0 in.)
55 mil Code 39
*
1781.0 cm (701.0 in.)
100 mil Code 39
*
3505.0 cm (1380.0 in.)
100 mil Data Matrix
*
1473.0 cm (580.0 in.)
*Limited by the width of the barcode in the field of view.