User's Manual

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Specifications Manual
18
9. Technical Specifications MDI3100
Emit aiming light of the MDI-3100-SR to the center of a bar code for scanning. The conditions for technical
specifications are as follows, unless otherwise specified in each section.
<Conditions>
Ambient Temperature and Humidity
: Room temperature and room humidity
Ambient Light
: 100 ~200 lux (on the surface of a bar code)
Pitch Angle
: α= 0°
Skew Angle
: β = 15°
Tilt Angle
: γ = 0°
Curvature
: R = ∞
Power Supply Voltage
: 3.3 and 5.0 V
PCS (1D and 2D)
: 0.9 or higher
Scanning Test
: Accept the performance with 90% or more
success rate for 10 tries of scan. One
scan should be tested within 2 seconds
Bar Code Test Sample (1D and 2D)
: Specified below
< Test chart >
For 1D codes, OPTOELECTRONICS test samples
For GS1 Databar, stacked codes and 2D codes, printed by a dedicated printer for bar code
9.1. Print Contrast Signal (PCS)
PSC 0.3 or higher
<Conditions>
MRD
: 32% and higher
(70% or higher reflectivity of space and
quiet zone)
Distance 130 mm from the front edge of the
camera module
Bar Code Sample
: UPC specified in Chapter 8.
(Resolution: 0.33 mm, PCS: 0.3)
PCS = Reflectance of white bar－Reflectance of black bar
Reflectance of white bar
9.2. Minimum Resolution
1D Code : 0.127 mm (5 mil) Code 39 specified in Chapter 8
GS1-Databar : 0.169 mm (6.7 mil) GS1 Databar-Limited specified in Chapter 8
Stacked Code : 0.169 mm (6.7 mil) PDF417, GS1 Databar-Limited Composite specified in Chapter 8
2D Code : 0.212 mm (8.4 mil) OR Code and Data Matrix specified in Chapter 8