Reading Stance - Newland NLS-HR200 User Manual

Getting Start

Reading Stance

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
Theoretical reading stance and barcode: (measurement: mm)
Barcode
Code 39
Code 39
PDF417
PDF417
QR Code
QR Code
Data Matrix
Data Matrix
nlscan.com
36°
60
100
140
180
220
Density (mil)
5
10
5
10
10
15
10
15
Near (mm)
55
30
50
30
25
25
25
20
mm
71.4
41.6
23.8
0
23.8
41.6
71.4
Far (mm)
115
21.5
105
215
135
210
150
220
Page 19