A - 6 MC40 Integrator Guide
Table A-3
SE4500-DL Decode Distances
Symbol Density/Bar
Code Type
Bar Code
Content/Contrast
Note 2
Typical Working Ranges
Near Far
3.0 mil
Code 39
80% MRD 2.7 in.
6.86 cm
4.2 in.
10.67 cm
5.0 mil
Code 39
ABCDEFGH
80% MRD
1.4 in.
3.56 cm
7.3 in.
18.54 cm
5.0 mil
PDF417
80% MRD 2.8 in.
7.11 cm
4.5 in.
11.43 cm
6.67 mil
PDF417
4 Col, 20 Rows
80% MRD
1.9 in.
4.83 cm
6.9 in.
17.53 cm
7.5 mil
Code 39
ABCDEF
80% MRD
Note 1 9.9 in.
25.15 cm
10 mil
PDF417
3 Col, 17 Rows
80% MRD
Note 1 9.0 in.
22.86 cm
13 mil
UPC-A
012345678905
80% MRD
1.6 in.
5.08 cm
12.0 in.
30.48 cm
15 mil
PDF417
80% MRD Note 1 11.7 in.
29.72 cm
15 mil
Data Matrix
18 x 18 Modules
80% MRD
2.23 in.
5.84 cm
11.2 in.
28.45 cm
20 mil
Code 39
123
80% MRD
Note 1 19.7 in.
50.04 cm
Notes:
1. Near distances are FOV limited.
2. Contrast is measured as Mean Reflective Difference (MRD) at 670 nm.
3. Working range specifications at temperature = 23 °C, pitch = 18°, roll = 0°, skew = 0°,
photographic quality, ambient light ~30 ft-c, humidity 45 - 70% RH.
4. Distances measured from front edge of scan engine chassis.