Symbol SE 923, Integration Manual

Page: 41 / 238

3-5
SE-923-I000A Specifications
Table 3-2. SE-923-I000A Decode Distances
Symbol Density/
Bar Code Type/
W-N Ratio
Bar Code
Content/
Contrast
Note 1
Typical Working Ranges
Guaranteed Working
Ranges
Near Far Near Far
5.0 mil
Code 39; 1:2.5
ABCDEFGH
90% MRD
2.0 in
5.1 cm
5.2 in
13.2 cm
2.2 in
5.6 cm
5.0 in
12.7 cm
7.5 mil
Code 39; 1:2.5
ABCDEF
90% MRD
1.7 in
4.3 cm
8.0 in
20.3 cm
1.8 in
4.6 cm
7.5 in
19.1 cm
10 mil
Code 39; 1:2.2
FGH
90% MRD
1.8 in
4.6 cm
10.0 in
25.4 cm
2.0 in
5.1 cm
9.7 in
24.6 cm
13 mil
100% UPC
12345678905
90% MRD
1.9 in
4.8 cm
13.0 in
33.0 cm
2.0 in
5.1 cm
12.0 in
30.5 cm
20 mil
Code 39; 1:2.2
123
90% MRD
Note 2 20.0 in
50.8 cm
Note 2 15.0 in
38.1 cm
40 mil
Code 39; 1:2.2
AB
90% MRD
Note 2 25.0 in
63.5 cm
Note 2 22.0 in
55.9 cm
55 mil
Code 39; 1:3
CD
90% MRD
Note 2 30.0 in
76.2 cm
Note 2 29.0 in
73.7 cm
Notes:
1. CONTRAST measured as Mean Reflective Difference (MRD) at 650 nm.
2. Near ranges on lower densities (not specified) are largely dependent upon the width of the
bar code and the scan angle.
3. Working range specifications at ambient temperature (23 °C)