
Opticon
OPL 2724
Specifications Manual
8
4.3. Ambient Light Immunity
Scanning performance is guaranteed when the range of illumination on a barcode
surface is between zero and the following values:
Incandescent Light
to 3000 lx
Fluorescent Light
to 3000 lx
Sunlight
to 50,000 lx
Figure 1: Ambient light immunity
Conditions
Barcode Sample: OPTOELECTRONICS Test Sample
PCS: 0.9
Resolution: 0.25
mm
Symbology:
8-digit Code 39
Quiet zone:
10 mm
N/W ratio:
1:2.5
Distance: 150
mm
Angle (see note below):
α
= 0°
β
= 15°
γ
= 0°
Curvature: R
=
∞
Power supply voltage:
3.6 V
Direct light or specular reflection from a light source should be prevented from entering
the acceptance area.
Note:
α
,
β
and
γ
respectively represent pitch, skew and tilt. Please see section 8 for how
these values are defined.