Motorola Symbol MS4404 Integration Manual page 54

4 - 12 Symbol MS4404/MS4407 Integration Guide
Standard Near Focus Decode Distances
Table 4-5
Symbol Density/
Bar Code Type
5.0 mil
Code 39
6.67 mil
PDF417
7.5 mil
Code 39
10 mil
PDF417
13 mil
UPC-A
15 mil
PDF417
20 mil
Code 39
Notes:
1. Near distances are field-of-view (FOV) limited.
2. Contrast is measured as Mean Reflective Difference (MRD) at 670 nm.
3. Working range specifications at temperature = 23°C, pitch=15°, roll=0°,
skew=0°, photographic quality, ambient light ~30 ft-c, humidity 45-70% RH.
Typical Working
Bar Code
Content/
Note 2
Contrast
Near
ABCDEFGH 2.7 in
80% MRD 6.9 cm
4 Col, 20 Rows 3.0 in
80% MRD 7.62 cm
ABCDEF 2.2 in
80% MRD 5.6 cm
3 Col, 17 Rows 3.0 in
80% MRD 7.6 cm
012345678905 2.0 in
80% MRD 5.1 cm
80% MRD Note 1
123 Note 1
80% MRD
Guaranteed Working
Ranges Ranges
Far Near
5.5 in 4.0 in
14.0 cm 10.2 cm
5.25 in 4.5 in
13.3 cm 11.4 cm
6.0 in 3.5 in
15.2 cm 8.9 cm
6.0 in 4.0 in
15.2 cm 10.2 cm
7.0 in 3.0 in
17.8 cm 7.6 cm
7.0 in Note 1
17.8 cm
9.5 in Note 1
24.1 cm
Far
5.0 in
12.7 cm
5.0 in
12.7 cm
5.5 in
13.9 cm
5.5 in
13.9 cm
6.0 in
15.2 cm
6.0 in
15.2 cm
8.0 in
20.3 cm