Waveshare Barcode Scanner Module - SCANNING INSTRUCTIONS; SCANNING AREA AND DISTANCE

Barcode Scanner Module User Manual
6 / 57 Rev1.0 Date:180621
SCANNING INSTRUCTIONS
SCANNING AREA
Scanning distance: These values are all be measured indoor (250 lux)
Barcode
Density
Min
Max
Code 39
0.125 mm
(5 mils)
6.0 cm
11.0 cm
0.375mm
(15 mils)
6.0 cm
25.0cm
UPC/EAN
0.375mm
(15 mils)
6.0 cm
25.0cm
Code93
0.254mm
(10 mils)
6.0 cm
21.0cm
The min distance is based on the length of barcode and the scanning angle.