Operating Instructions
Chapter
10
CLV 490 Bar Code Scanner
8 008 796/0000/25-06-2002
©
SICK AG · Division Auto Ident · Germany · All rights reserved
10-3
Appendix
10.2.3
Standard density: Reading performance data of line scanner
Fig. 10-1:
CLV 490-0010/-0011 (Standard density): Reading field height as a function of the reading distance and resolution
Read
ing
dis
tance
[mm]
700
600
500
400
400
600
800
1000
1200
1400
1600
1800
2000
2200
300
200
100
0
-100
-200
-300
-400
-500
-600
-700
L
in
e
s
ca
nn
e
r
(fro
n
t
re
ad
in
g
w
ind
o
w
):
Re
ad
ing
fie
ld
he
ig
ht
[mm]
Re
ading
co
nditio
ns:
see
Ch
a
ra
c
te
ri
st
ic
s
f
iel
d
s
c
a
n
n
in
g
f
requ
en
c
y
/
re
a
d
ing
d
ist
an
ce
:
see
Re
s
o
lu
tio
n
:
0.
3
0
m
m
0.
3
5
m
m
0.
5
0
m
m
CLV
4
90-0
010/-0
011
A
p
e
rt
u
re
a
n
g
le
α
=
4
0
°
A
p
e
rt
u
re
a
n
g
le
α
=
4
0
°