Chapter
10
Operating Instructions
CLV640 Bar Code Scanner
84
©
SICK AG · Division Auto Ident · Germany · All rights reserved
8011975/0000/2008-04-14
Technical data
10.3
Specification diagrams
Tab. 10-3: Reading conditions for all specification diagrams
Fig. 10-1:
Meaning of selection
1
,
2
and
3
in the reading area diagram related to depth of focus diagram.
Observing the reading area diagram (see figure) of the CLV640 of a module width at a focal
position from the top, the selections
1
,
2
and
3
can be transferred to the depth of focus
diagram for this module width as follows. Therefore, the depth of focus diagram consists of
a slice-shaped sequence of many reading area diagrams along the focal position.
Test code
Code 39/ITF
Print ratio
2:1
Print contrast
> 90 %
Tilt
±10°
Ambient light
< 2 000 lx
Good read rate
> 75 %
