User's Manual

OPN-2102n
1st
14
SPECIFICATIONS MANUAL
8.2 Scan Area and Depth of Field
The scanner is able to read in the area between the two arcs that are centered on the scan
origin with a center line distance from the front of the scanner as indicated for each resolution.
Resolution No. of Digits Depth of Field (mm)
1.0mm 1 50 ~ 420
0.5mm 3 45 ~ 340
0.25mm 8 40 ~ 250
0.15mm 10 40 ~ 155
0.127mm 4 45 ~ 130
<Conditions>
Barcode : Code 39 specified in Section 8.1.
Angle : α = 0°, β = + 15°, γ = 0°
0
50 100 150 200 250 300
350
400
2" 4"
6" 8"
10" 12"
14" 16"0"
0
50
50
25
25
75
75
100 100 125 150125150
0" 2"2" 1"1"
3"
3"
4" 4" 5" 6"5"6"
[ mm ]
[ inch ]
Code 39
0.127mm ( 5mil )
0.15mm ( 6mil )
0.25mm ( 10mil )
18"
450 500
550
600
20"
22" 24"
175
200225250
[ mm ]
175
200 225 250
7"
8"9"10"
[ inch ]
7"
8" 9" 10"
0.5mm ( 20mil )
1.0mm ( 40mil )
Figure 5: Scan Area and Depth of Field