Field Of View And Depth Of Field - Metrologic IS4813 Integration Manual

Scan Engine Field of View and Depth of Field
Field of View
Distance from Engine Face
See page 9 for detailed information on the engine's exit beam specifications.
Based on a .33 mm (13.0 mil) bar code.
Depth of Field vs. Minimum Bar Code Element
Bar Code
Element Width
.13 mm
.19 mm
1D
.26 mm
.33 mm
.49 mm
* For non-decode IS4813 and IS4815 engines, depth of field data is for reference only. Actual values may vary
depending on environmental conditions, host hardware, and decoding software.
Depth of field data was measured at 25°C under typical indoor lighting. Performance may vary depending on
testing conditions.
Specifications are subject to change without notice.
16
50 mm (2")
254 mm (10")
Figure 14. Typical Field of View
Start
(From Engine Face)
5.2 mil 70 mm (2.75")
7.5 mil 57 mm (2.25")
10.4 mil 50 mm (2.00")
13.0 mil 50 mm (2.00")
19.5 mil 75 mm (2.95")
Width of Field of View
57 mm (2.2")
264 mm (10.4")
Depth of Field*
(In the Field of View)
End
(From Engine Face)
95 mm (3.75")
171 mm (6.75")
210 mm (8.25")
254 mm (10.00")
300 mm (11.81")
Total
25 mm (1.00")
114 mm (4.50")
160 mm (6.25")
204 mm (8.00")
225 mm (8.86")