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Laser-type Bar Code Reader


The World’s Smallest Bar Code Reader That Fits Essentially Anywhere. *According to OMRON investigation in January 2013.

Ratings and Performance

Model V500-R2CF
Direction of view Front view
Bar code WPC (JAN/EAN/UPC), Codabar (NW-7), ITF, Industrial 2 of 5 (STF),
Code39, Code93, Code128, GS1-128 (EAN-128), GS1-Databar (RSS-14),
GS1-Databar Limited (RSS Limited), GS1-Databar Expanded
Number of reading digits No upper limit (depends on bar width and reading distance)
Minimum resolution Bar code: 0.15 mm
Contrast (PCS) 0.45 or more (white reflectance 70 % or more)
Reading distance 60 to 270 mm (At narrow bar: 0.5 mm)
Reading angle Within 40º (Including margins at left and right sides)
Pitch angle (α) ±30º
Skew angle (β) ±60º (However, exclude from 10º upper side to 8º lower side)
Tilt angle (γ) ±25º
Reading of bar codes
on curved surfaces (R)
R 20mm (UPC 12 digit)
Light source Red laser diode (Wave length: 650 nm)
Light output 1.0m W or less (Correspond to JIS class 2)
Scan type Raster scan
Number of scan 1000 scan/sec.
Interface Communication
OK/NG outputs NPN open collector output (cable work required)
Function setting method Menu sheet reading method or host command method
Reading trigger External trigger (Transistor input), Trigger by command (RS-232C),
Trigger a test reading by pressing the SCAN button on the product
OK/NG signals • When the label is not registered
OK signal: ON when reading is successful
NG signal: ON when reading fails
• When the label is registered
OK signal: ON when reading result matches registered label
NG signal: ON when reading fails or reading result does not
match registered label
Indication LED Read confirmation LED (green) illuminates when reading is successful.
Read confirmation LED (red) blinks when motor is in abnormal operation.
Buzzer Notifies a successful reading with a buzzer sound (Muting available)
Power supply
Power voltage 4.5 to 5.5 VDC
Consumption current During operation: 500 mA or less; during standby: 150 mA or less
Inrush current 2.0 A MAX
Ambient temperature
At operation: 0 to + 45°C At storage: -10 to + 60°C
Ambient humidity range At operation and storage: 20 to 85% RH (with no icing or condensation)
Ambient atmosphere No corrosive gases
Ambient light Fluorescent lamp: 4,000lx or less, Sunlight: 80,000lx or less
Vibration resistance 10 to 150 Hz, half amplitude 0.35 mm, 3 directions (X/Y/Z), 8 minutes
each 10 times
Degree of protection IP54 (IEC60529)
Weight Main unit only Approximately 80 g
Including accessories Approximately 190 g (including mounting bracket, insulation plate and
Packaged weight Approximately 270 g (including packing carton)
Dimensions Main unit Approximately 29 (W) × 34.5 (D) × 17 (H) mm
Packing carton Approximately 245 (W) × 110 (D) × 40 (H) mm
Input/output connector Round DIN connector
Code length Approximately 1.5 m
Minimum bending radius of cord Approximately 23 mm
Accessories Operation manual, menu sheet, mounting bracket, insulation plate, M3 ×
6 screw (two), M3 × 8 screws (one), M5 × 10 screws (two)
Upper case Magnesium diecast, black
Front panel PC, black
Labels PET
Reading window PMMA, transparent
Cable Polyvinyl chloride (PVC), black
Insulation plate ABS, black
Mounting bracket SUS304, silver

* Unless otherwise specified, use a JAN x1 , MRD 63% or higher (PCS = 0.9 or higher) bar code with a pitch angle
     α = 0º, a skew angle β = 15º, a tilt angle γ = 0º, and a curvature R = ∞.

Reading range performance (typical example)

V500-R2 Specifications 3

Explained with examples of following conditions:
• Contrast: MRD 63 % (PCS = 0.9)
• Bar code: CODE39
• Installation condition:
Pitch angle α = 0°, skew angle β = 15°
Tilt angle γ = 0°, curvature R = ∞

Narrow bar width Reading distance *1
A 0.15 mm 70 to 140 mm
B 0.25 mm 60 to 200 mm
C 0.5 mm 60 to 270 mm
D 1.0 mm 70 to 330 mm

*1. Distance from the end of the case.

V500-R2 Specifications 6