124 75 Series Mobile Computer User Guide
EX25 Typical Reading Distance (1D)
Typical reading distances are measured in an office environment (200 lux).
The following graphics do not include the 0.24 cm (0.09 in) setback for the CK75.
EX25 1D Symbologies Typical Reading Distances with 0.24 cm (0.09 in) Setback
Symbology Density
Distance
Minimum Maximum
Code 39 0.25 mm (10 mils) 15 cm (5.91 in) 135 cm (53.15 in)
0.5 mm (20 mils) 16 cm (6.30 in) 280 cm (110.24 in)
1 mm (40 mils) 25 cm (9.84 in) 550 cm (216.54 in)
1.4 mm (55 mils) 40 cm (15.75 in) 720 cm (283.46 in)
2.5 mm (100 mils) ** 1200 cm (472.44 in)
Code 128
retro-reflective
2.5 mm (100 mils) ** 1300 cm (511.81 in)
EAN 100% 0.33 mm (13 mils) 15 cm (5.91 in) 160 cm (62.99 in)
** Minimum distance depends on bar code width and scan angle.
32”
in
0 100
cm
160
80
0
80
160
240
320
320
240
400
400
0” 40”
80”
0.25 mm
10 mils
0.5 mm/20 mils
1 mm/40 mils
200 300 600400 700500 1100
120” 160” 200”
64”
0”
32”
64”
800 900 1000
240” 280” 320” 360” 400” 440”
96”
128”
160”
96”
128”
160”
100% EAN
contrast UPC
480”
1200
2.5 mm/100 mils