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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.