Symbol MiniScan MS1204FZY, Руководство по интеграции

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Symbol MS954 Specifications 8 - 7
Symbol MS954 Decode Zone
The decode zone for the Symbol MS954 scanner is shown in Figure 8-5 . The figures shown are typical values.
Table 8-3 lists the typical and guaranteed distances for selected bar code densities. The minimum element width
(or “symbol density”) is the width in mils of the narrowest element (bar or space) in the symbol. To calculate this
distance, see
Calculating the Usable Scan Length Methodon page 2-8 .
Figure 8-5
Symbol MS954 Decode Zone
MS 954
N ote: Typical performance at 73° F (23° C)
on high qu ality sym b ols.
5 mil
7.3
7.5 mil
12.3
100 % UPC
22.0
27.5
2 8 .0
20 mil
40 mil
35.0
55 mil
*Minim u m distance determined b y sym b ol length and scan angle
Depth of Field
0.9
0.9
0.7
*
In .
c m
0
0 30
76.2
35
88 .9
5
12.7
10
25.4
15
3 8 .1
20
50. 8
25
63.5
5
5
In . c m
W
i
d
t
h
o
f
F
i
e
l
d
10
10
12.7
12.7
25.4
15 3 8 .1
20 50. 8
15 3 8 .1
20 50. 8
31.6
0
0