Metrologic Instruments IS4921 Scanner User Manual


 
29
Depth of Field vs. Bar Code Element
IS4920
Depth of Field*
(In the Field of View)
Bar Code
Element Width
Start
(From Engine Face)
End
(From Engine Face)
Total
.127 mm 5 mil 50 mm (2.0") 145 mm (5.7") 95 mm (3.7")
.254 mm 10 mil 30 mm (1.2") 210 mm (8.3") 180 mm (7.1")
1D
.330 mm 13 mil 25 mm (1.0") 310 mm (12.2") 285 mm (11.2")
.127 mm 5 mil 45 mm (1.8") 160 mm (6.3") 115 mm (4.5")
PDF
.254 mm 10 mil 25 mm (1.0") 270 mm (10.6") 245 mm (9.6")
.254 mm 10 mil 50 mm (2.0") 95 mm (3.7") 45 mm (1.8")
.381 mm 15 mil 35 mm (1.4") 160 mm (6.3") 125 mm (4.9")
Data
Matrix
.508 mm 20 mil 40 mm (1.6") 260 mm (10.2") 220 mm (8.7")
* 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)