User's Manual

OPN-3002n DOC ID：SS13001
11
8.2. Scan Area and Depth of Field
Figure 5: Depth of Field
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 : 105mm from the front edge of the scanner
Bar Code Sample : UPC specified in Chapter 8. (Resolution: 0.33 mm, PCS: 0.3)
MRD = Minimum reflectance of white bar - Maximum reflectance of black bar
PCS =
Reflectance of white bar－Reflectance of black bar
Reflectance of white bar
250
65 150
175
12060
16540
70
95
35
165
65
120
Code
128
UPC 100 %
PDF
417
QR Code
Data Matrix
：0.508
0.20
0.33
0.169
0.254
0.212
0.381
0.254
45
50
0.127
65
105
45
185
[ Unit
： mm ]
0.254
Code
39
100 200 300
50 150 250