3-13
SE4400 Specifications
15 mil
PDF417
80% MRD
Near
Note 1
7.125 in
18.1 cm
Far
Note 1
7.75 in
19.7 cm
20 mil
Code 39
123
80% MRD
Near
Note 1
8.25 in
21.0 cm
Far
Note 1
9.25 in
23.5 cm
Table 3-5. SE4400-E000E Decode Distances in Darkness (Continued)
Symbol Density/
Bar Code Type
Bar Code
Content/
Contrast
Note 2
Focus
Position
Typical Working
Ranges
Near
Far
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
Table
4-1 on page 4-1
). Powering VCC_ILLUM off of 3.3 V yields slightly improved
working ranges in darkness.
Содержание Symbol SE4400
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Страница 3: ...SE4400 Integration Guide 72E 63399 04 Revision A January 2007 ...
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