User's Manual

OPN-2102n
1st
15
SPECIFICATIONS MANUAL
8.3 Printed Contrast Signal (PCS)
PSC 0.3 or higher (70% or higher reflectivity of space and quiet zone)
Note:
Be sure to keep the optical window clean without dirt or scratches, or it may have a detrimental effect on
the reading characteristics.
8.4 Minimum Resolution
Minimum Resolution 0.076mm
<Conditions>
Barcode Code 39 specified in Section 8.1
Distance 60 mm from the front edge of the scanner
Angle Skew angle β = 15°
8.5 Pitch, Skew and Tilt
Pitch : α ±30°
Skew : β ±50°
(Excluding dead zone)
Dead Zone : β ±8 °
(Decoding may fail in some areas as a result of specular reflection)
Tilt : γ ±20°
<Conditions>
Bar code <Pitch, Skew and Dead Zone>
Resolution 0.25 mm, 9-digit Code 39 specified in Section 8.1.
<Tilt>
Resolution 0.26 mm, JAN-13 specified in Section 8.1.
Distance 100 mm from the edge of the scan engine
Curvature R =
Angle Pitch angle : β = +15°, γ = 0°
Tilt angle : α = 0°, β = +15°
Skew angle / Dead zone: α = 0°, γ = 0°
β
γ
+
+
+
-
-
-
Figure 6: Pitch, Skew and Tilt
PCS =
Reflectance of white space – Reflectance of black bar
Reflectance of white space