Specifications

OPI-3301i
Specifications Manual
12
8.3. Printed Contrast Signal (PCS)
0.2 or higher
<Conditions>
MRD : 12% and higher (70% or higher reflectivity of space and quiet zone)
Distance : 105 mm from the front edge of the scanner
Bar code : UPC (resolution 0.33 mm, PCS 0.2) specified in Section 8.1.
MRD = Minimum reflectance of white space - Maximum reflectance of black bar
PCS =
Reflectance of white spece - Reflectance of black bar
Reflectance of white space
* Be sure to keep the optical window clean without dirt or scratches, or it may have a bad effect on the reading
characteristics.
8.4. Minimum Resolution
1D bar code : 0.1 mm (Code 39 specified in Section 8.1.)
GS1 Databar : 0.169 mm (GS1 Databar Limited specified in Section 8.1.)
Stacked code : 0.169 mm (PDF417, GS1 Databar Limited Composite specified in Section
8.1.)
2D code : 0.169 mm (QR Code specified in Section 8.1.)
: 0.212 mm (Data Matrix specified in Section 8.1.)
<Conditions>
Bar code : Above codes specified in Section 8.1.
Distance : 75 mm from the front edge of the scanner
Angle : α = 0°, β = + 15°, γ = 0°
Curvature : R = ∞
8.5. Wide Bar Code
Code 39 with width of 100 mm and resolution of 0.2 mm can be read
<Conditions>
Bar Code : Code 39 (resolution 0.20 mm, PCS 0.9) specified in Section 8.1.
Distance : 135 mm from the front edge of the scanner
Angle : α = 0°, β = +15°, γ = 0°
Curvature : R = ∞
Figure 4: Wide Bar Code