Print Contrast Signal; Minimum Resolution; Wide Bar Code - Opticon PX-20 Specification Manual

8.3. Print Contrast Signal

PSC 0.3 or higher
<Conditions>
MRD
Distance
Bar Code Sample
MRD = Minimum reflectance of white bar - Maximum reflectance of black bar
Error!
PCS =

8.4. Minimum Resolution

1D Code : 0.127 mm (5 mil)
GS1-Databar : 0.169 mm (6.7 mil)
Stacked Code : 0.169 mm (6.7 mil)
2D Code : 0.212 mm (8.4 mil)
<Conditions>
Bar Code Sample
Distance
Angle
Curvature
For the pitch angle and tilt angle measurement, set the skew angle β = +15°

8.5. Wide Bar Code

Code 39 with width of 100 mm and resolution of 0.2 mm can be read.
<Conditions>
Bar Code Sample
Distance
Angle
Curvature
Figure 3: Scan Area and Depth of Field
: 32% and higher
(70% or higher reflectivity of space and quiet zone)
: 130 mm from the front edge of the camera module
: UPC specified in Chapter 8. (Resolution: 0.33 mm, PCS: 0.3)
Code 39 specified in Chapter 8
GS1 Databar-Limited specified in Chapter 8
PDF417, GS1 Databar-Limited Composite specified in Chapter 8
OR Code and Data Matrix specified in Chapter 8
: The above codes specified in Chapter 8
: 100 mm from the front edge of the camera module
: α = 0°, β =＋15°, γ = 0°
: R = ∞
: 0.20 mm Code 39 specified in Chapter 8
: 160 mm from the front edge of the camera module
: α = 0°, β =＋15°, γ = 0°
: R = ∞
Figure 4: Wide Bar Code
14
Opticon
PX-20
Specifications Manual