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MC3000 User Guide2-18
is the width in mils of the narrowest element (bar or space) in the symbol. The maximum usable length of a symbol at any given range
is shown below.
Figure 2-15. MC3000 Laser Decode Ranges
Table 2-7.
MC3000 Laser Decode Ranges
Bar Code
Density
Ranges
Near Far
5.0 mil 2.0 in
5.08 cm
4.9 in
12.45 cm
7.5 mil 1.6 in
4.06 cm
7.9 in
20.07 cm
10 mil 1.2 in
3.05 cm
10.8 in
67.95cm
UPC A 1.3 in
3.30 cm
12.7 in
32.26 cm
20 mil 1.4 in
3.56 cm
17.9 in
45.47 cm
40 mil 2.4 in
6.10 cm
26.4 in
67.06 cm
55 mil 3.4 in
8.64 cm
30.6 in
77.72 cm
in.
cm
MC3000
5 mil
4.9
7.5 mil
10 mil
7.9
10.8
12.7
17.9
26.4
20 mil
40 mil
30.6
55 mil
W
i
d
t
h
o
f
F
i
e
l
d
Depth of Field
Note: Typical performance at 73˚ F (23˚ C)
on high quality symbols.
0
0
5
12.7
10
25.4
15
38.1
1.3
0
3
6
9
0
7.62
15.25
22.86
7.62
15.25
3
6
12 30.48
in. cm
22.869
30.4812
1.2
1.6
2.0
20
50.8
25
63.5
30
76.2
35
88.9
UPC A
1.4
2.4
3.4