Getting Start
nlscan.com
Page 17
Theoretical reading stance and barcode: (measurement: mm)
mm
52.8
mm
52.8
17.6
17.6
35.2
35.2
0
60
100
140
180
220
27°
Barcode
Density (mil)
Near (mm)
Far (mm)
Code 39
5
0
15
Code 39
10
0
25
PDF417
5
0
20
PDF417
10
0
30
QR Code
10
0
25
QR Code
15
0
36
Data Matrix
10
0
25
Data Matrix
15
0
40
Reading Stance is defined as the distance between the Imager front and an object (barcode). It affects image
capturing area and image quality, and thus affects reading performance.
Field of View & Divergence Angle
Reading Stance