Motorola Symbol SE4400 Integration Manual page 38

SE4400 Integration Guide
Decode Distances in Darkness
Table 3-5. SE4400-E000E Decode Distances in Darkness
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
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=15°, roll=0°,
skew=0°, photographic quality, humidity 45-70%RH.
4. Range measurements are when VCC_ILLUM is powered off of 3.0 V (see
4-1 on page
working ranges in darkness.
3-12
Bar Code
Content/
Note 2
Contrast
ABCDEFGH
80% MRD
4 Col, 20 Rows
80% MRD
ABCDEF
80% MRD
3 Col, 17 Rows
80% MRD
012345678905
80% MRD
4-1). Powering VCC_ILLUM off of 3.3 V yields slightly improved
Typical Working
Focus
Position
Near
Near 3.5 in
8.9 cm
Far 6.5 in
16.5 cm
Near 3.75 in
9.5 cm
Far N/A
Near 2.75 in
7.0 cm
Far 4.25 in
10.8 cm
Near 3.25 in
8.3 cm
Far 5.75 in
14.6 cm
Near 2.25 in
5.7 cm
Far 3.00 in
7.6 cm
Ranges
Far
5.875 in
14.1 cm
N/A
5.75 in
14.6 cm
N/A
6.875 in
17.5 cm
7.125 in
18.1 cm
6.375 in
16.2 cm
7.25 in
18.4 cm
7.375 in
18.7 cm
8.375 in
21.3 cm
Table