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Appendix 2
Scan Range
Standard location of scanning
Cell size
code
(mm)
two-dimensional
codes
bar codes
（multiple code）
bar codes
（binary code）
Distance：40mm
distance
0.2
20
0.25
↑
0.33
↑
0.42
↑
0.5
↑
0.25
↑
0.33
↑
0.15
↑
0.25
↑
0.33
↑
Field of view：62×39mm
(mm)
Scanning area and horizon
near point
field of view
36×23
↑
↑
↑
↑
↑
↑
↑
↑
↑
126
far point
distance
field of view
35
55×35
45
68×43
60
88×56
75
107×68
80
113×72
55
81×52
70
100×64
55
81×52
85
120×76
95
133×84
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