Specifications

33
Depth of Field vs. Bar Code Element
IS4920
Bar Code
Element Width
Depth of Field*
(In the Field of View)
Start
(From Engine Face)
End
(From Engine Face)
Total
1D
0.127 mm 5 mil 55 mm (2.2") 130 mm (5.1") 75 mm (3.0")
0.254 mm 10 mil 30 mm (1.2") 220 mm (8.7") 190 mm (7.5")
0.330 mm 13 mil 25 mm (1.0") 310 mm (12.2") 285 mm (11.2")
PDF
0.170 mm 6.67 mil 45 mm (1.8") 155 mm (6.1") 110 mm (4.3")
0.254 mm 10 mil 25 mm (1.0") 300 mm (11.8") 275 mm (10.8")
Data
Matrix
0.254 mm 10 mil 40 mm (1.6") 85 mm (3.3") 45 mm (1.8")
0.381 mm 15 mil 40 mm (1.6") 155 mm (6.1") 115 mm (4.5")
0.508 mm 20 mil 45 mm (1.8") 330 mm (13.0") 285 mm (11.2")
* Depth of field information is for reference only. Actual values may vary depending on testing conditions.
Figure 27. Field of View, Divergence Angle (model IS4910-01 shown)