OPN-3200i
Specifications Manual
12
8.3. Printed Contrast Signal (PCS)
0.3 or higher
<Conditions>
MRD
: 32% and higher (70% or higher reflectivity of space and quiet zone)
Distance
: 125 mm from the front edge of the scanner
Bar code
: UPC (resolution 0.33 mm, PCS 0.3) 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
: 0.127 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
: 0.212 mm (QR Code, Data Matrix specified in Section 8.1.)
<Conditions>
Bar code
: Above codes specified in Section 8.1.
Distance
: 95 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
: 155 mm from the front edge of the scanner
Angle :
α
= 0°,
β
= +15°,
γ
= 0°
Curvature
: R =
∞
Figure 4: Wide Bar Code