Motorola SB1, Руководство интегратора

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Specifications C - 3
Figure C-1
Bar Code Reader Decode Graph
Table C-2
Bar Code Reader Decode Distances
Symbol Density/
Bar Code Type
Typical Working Ranges
Near Far
13 mil
80% UPC 2.50 in
6.35 cm 9.36 in
23.77 cm
13 mil
100% UPC 2.67 in
5.70 cm 13.47 in
24.8 cm
7.5 mil
Code 39 2.02 in
5.13 cm 8.57 in
21.77 cm
20 mil
Code 39 2.54* in
6.45* cm 20.67 in
52.50 cm
10 mil
PDF 417 1.64* in
4.17* cm 7.98 in
20.27 cm
10 mil
Data Matrix 2.76* in
7.01* cm 5.41 in
13.74 cm
Notes:
1. Distances are measured from the edge of the SB1.
2. The distances marked with asterisk (*) are a result of the field of view (FOV) limitation and depend upon the
bar code length.
3. 300 lux artificial ambient light.
4. Bar codes at 20° pitch.
5. Photographic quality short bar codes.
6. Reading of long and large code is limited by effective system resolution
7.5 mil Code 39
20 mil Code 39
10 mil Data Matrix
10 mil PDF 417
13 mil 100% UPC
13 mil 80% UPC
2.50 in.
6.36 cm
2.67 in.
5.70 cm
2.02 in.
5.13 cm
2.54 in.*
6.45 cm *
1.64 in.*
4.17 cm *
2.76 in.*
7.01 cm*
5.41 in.
13.74 cm
7.98 in.
20.27 cm
8.57 in.
21.77 cm
9.36 in.
23.77 cm
13.47 in.
24.80 cm
20.67 in.
52.50 cm
* Dependent upon bar code width