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2D Code Reader (Fixed Type)SR-600 series

Ultra Small 2D Code Reader, Short-distance Type


[Discontinued model]

This model has been discontinued.

Compliance with the certification standard is ensured as of the time of shipment from our company.

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Laser pointer

Light source

Visible semiconductor laser (wavelength: 660 nm)


90 µW

Pulse duration

200 µs

Laser class

Class 1 Laser Product (IEC60825-1, FDA (CDRH) Part1040.10)*1*2


Light source

High-intensity red LED


Supported codes


GS1 Databar; CODE39; ITF; Industrial 2 of 5; NW-7 (Codabar); JAN, EAN, UPC; CODE128; COOP 2 of 5; CODE93

2D code

QR code, Micro QR code, DataMatrix, PDF417, MicroPDF417, MaxiCode, composite symbol (Composite Component)

Minimum resolution


0.127 mm 0.005"

2D code

Reading distance (typical examples)


35 mm to 95 mm 1.38" to 3.74" (cell size: 0.339 mm 0.01")


31 mm to 97 mm 1.22" to 3.82" (cell size: 0.339 mm 0.01")


29 mm to 106 mm 1.14" to 4.17" (narrow bar width: 0.339 mm 0.01")

Focal point

60 mm 2.36"

Reading view range (at the focal length)

42.5mm 1.67" x 27.1mm 1.07"

Reading time (Typical)

21 ms (focal length for 21 × 21 QR codes)

Terminal block


Number of inputs

2 (IN1 and IN2)

Input type

No-voltage input


Number of outputs

4 (OUT1, OUT2, OUT3, and OUT4)

Output type

NPN open collector

Rated load

24 VDC, 30 mA

Leakage current when OFF

0.1mA or less

Residual voltage when ON

0.8V or less

I/O specifications

Serial interface

Communication method

Conforms to EIA RS-232C

Communication speed

9600, 19200, 38400, 57600, 115200 bps

Synchronization between the transmitter and receiver


Data bit length

7 or 8 bits

Stop bit length

1 bit or 2 bits

Parity check

None, odd, even


Conforms to USB 2.0 Full Speed


Power voltage

5 VDC +5 %, -10 %

Current consumption

630 mA or less*3

Environmental resistance

Enclosure rating


Ambient light

Sunlight: 10,000 lux, Incandescent lamp: 6,000 lux

Ambient temperature

0 to +45 °C 32 to 113 °F

Storage temperature

-10 to +50 °C 14 to 122 °F

Relative humidity

35 to 95 % RH (No condensation)

Operating environment

No dust or corrosive gases present

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 3 hours in each of the X, Y, and Z directions


Approx. 160 g

*1 The laser classification for FDA (CDRH) is implemented based on IEC60825-1 in accordance with the requirements of Laser Notice No.50.
*2 Use the Limited Power Source defined in UL/IEC60950-1 to comply with UL/IEC60950-1.
*3 In order to conform with UL/IEC60950-1, use a Limited Power Source defined by UL/IEC60950-1.

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