Motorola ET1 Integrator Manual page 157

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Decode Distances
Table A-3
Symbol Density/Bar
Code Type
3.0 mil
Code 39
5.0 mil
Code 39
5.0 mil
PDF417
6.67 mil
PDF417
7.5 mil
Code 39
10 mil
PDF417
13 mil
UPC-A
15 mil
PDF417
15 mil
Data Matrix
20 mil
Code 39
Notes:
1.
Near distances are FOV limited.
2.
Contrast is measured as Mean Reflective Difference (MRD) at 670 nm.
3.
Working range specifications at temperature = 23 °C, pitch = 18°, roll = 0°, skew = 0°,
photographic quality, ambient light ~30 ft-c, humidity 45 - 70% RH.
4.
Distances measured from front edge of scan engine chassis.
Bar Code
Content/Contrast
Note 2
80% MRD
2.7 in.
6.86 cm
ABCDEFGH
1.4 in.
80% MRD
3.56 cm
80% MRD
2.8 in.
7.11 cm
4 Col, 20 Rows
1.9 in.
80% MRD
4.83 cm
ABCDEF
Note 1
80% MRD
3 Col, 17 Rows
Note 1
80% MRD
012345678905
1.6 in.
80% MRD
5.08 cm
80% MRD
Note 1
18 x 18 Modules
2.3 in.
80% MRD
5.84 cm
123
Note 1
80% MRD
Typical Working Ranges
Near
4.2 in.
10.67 cm
7.3 in.
18.54 cm
4.5 in.
11.43 cm
6.9 in.
17.53 cm
9.9 in.
25.15 cm
9.0 in.
22.86 cm
12.0 in.
30.48 cm
11.7 in.
29.72 cm
11.2 in.
28.45 cm
19.7 in.
50.04 cm
Specifications
A - 5
Far

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