12
Figure 4
Depth of Field and Symbol Specification
(Refer to Figure 4)
Code Type*
Minimum Small Code Density
Depth of Field
Element
Mil. (1/1000")
UPC/EAN
10.4
80%
1.5" - 5.5"
UPC/EAN
13.0
100%
1.5" - 6.0"
Code 39
7.5
High
1.5" - 4.0"
Code 39
12.0
Medium
2.5" - 5.5"
Code 39
21.0
Low
3.0" - 6.5"
I 2 of 5
7.5
High
1.5" - 4.0"
I 2 of 5
12.0
Medium
3.0" - 5.5"
I 2 of 5
21.0
Low
2.5" - 6.0"
Codabar
6.5
High
2.5" - 4.0"
Codabar
9.8
Medium
2.0" - 5.0"
Codabar
13.0
Low
2.0" - 6.0"
Code 128
7.0
80%
2.0" - 4.0"
Code 128
13.0
100%
3.0" - 6.0"
* All codes printed black on white.