Opticon
OPR 2001
Specifications Manual
9
4.3. Ambient Light Immunity
Decoding performance is guaranteed when the range of illumination on a barcode
surface is between zero and the following values:
Incandescent light
3,000 lx
Fluorescent light
3,000 lx
Sunlight 50,000
lx
Figure 1: Ambient light immunity
Conditions
Barcode Sample: OPTOELECTRONICS Test Sample
PCS: 0.9
Resolution: 0.25
mm
Symbology:
9-digit Code 39
Quiet Zone:
10 mm
N/W Ratio:
1:2.5
Distance: 70
mm
Angle:
α
= 0°
β
= 15°
γ
= 0°
Curvature:
R
=
∞
Power Supply Voltage:
5.0 V
Direct light or specular reflection light from a source should be prevented from entering
the acceptance area.
Note:
α
,
β
and
γ
respectively represent pitch, skew and tilt. Please see section 7 for how
these values are defined.