Motorola MC919Z Integrator Manual Supplement page 78

A - 6 MC919Z Integrator Guide Supplement
SE960 Decode Distances
Table A-3
Symbol Density/
Bar Code Type/
W-N Ratio
5.0 mil
Code 128
5.0 mil
Code 39; 2.5:1
7.5 mil
Code 39; 2.5:1
10 mil
Code 128
13 mil
100% UPC
15 mil
Code 128
20 mil
Code 39; 2.2:1
55 mil
Code 39; 2.2:1
100 mil
Code 39; 3.0:1 reflective
Notes:
1. Contrast measured as Mean Reflective Difference (MRD) at 650 nm.
2. Working range specifications at ambient temperature (23°C), photographic quality symbols.
Pitch=10°, roll=0°, skew=0°, ambient light < 150 ft-candles using Symbol or equivalent decoder.
3. Dependent on width of bar code.
4. Distances measured from front edge of scan engine chassis.
Bar Code Content/
Note 1
Contrast
1234
80% MRD
ABCDEFGH
80% MRD
ABCDEF
80% MRD
1234
80% MRD
12345678905
80% MRD
1234
80% MRD
123
80% MRD
CD
80% MRD
123456
80% MRD
Typical Working Ranges
Near
1.2 in
3.05 cm
1.2 in
3.05 cm
1.1 in
2.79 cm
1.2 in
3.05 cm
Note 3
1.6 in
4.06 cm
1.0 in
2.54 cm
Note 3
1.4 in
3.56 cm
Note 3
3.4 in
8.64 cm
Note 3
2 ft
60.96cm
Note 3
Far
7.7 in
19.56 cm
12.5 in
31.75 cm
18.5 in
46.99 cm
19.0 in
48.26 cm
27.0 in
68.58 cm
29.5 in
74.93 cm
52.0 in
132.08 cm
100.0 in
254.00 cm
17 ft
518.16 cm