User's Manual

OPN-3102n

1st

SPECIFICATIONS MANUAL

8.3 Printed Contrast Signal (PCS)

0.2 or higher

MRD : 10% and higher

(70% or higher reflectivity of space and quiet zone)

Distance : 125mm from the front edge of the scanner

Barcode Sample : UPC specified in Chapter 8. (Resolution: 0.33 mm, PCS: 0.3)

MRD = Minimum reflectance of white bar - Maximum reflectance of black bar

* 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

1D Code : 0.1 mm (3.9 mil) Code 39 specified in Chapter 8.1

GS1-Databar : 0.127 mm (5 mil) GS1 Databar Limited specified in Chapter 8.1

Stacked Code : 0.169 mm (6.7 mil) PDF417, GS1 Databar Limited Composite specified in Chapter 8.1

2D Code : 0.169 mm (6.7 mil) QR Code, Data Matrix specified in Chapter 8.1

Barcode Sample The above codes specified in Chapter 8.1

Distance 95 mm from the front edge of the scanner

Angle

α = 0°, β =＋15°, γ = 0°

Curvature R = ∞

8.5 Barcode Width

Code 39 with width of 100 mm and resolution of 0.2 mm can be read

Barcode Sample 0.20 mm Code 39 / PCS 0.9 specified in Chapter 8.1

Distance 150 mm from the front edge of the scanner

Angle

α = 0°, β =＋15°, γ = 0°

Curvature R = ∞

Figure 7: Wide Barcode

PCS =

Reflectance of white space – Reflectance of black bar

Reflectance of white space