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HOKUYO Robotics Laser

Product Code: URG-04LX
Excl. VAT: £1,575.00 Incl. VAT: £1,890.00
  • Buy 5 for £1,544.00 (£1,852.80 incl. tax) each and save 2%
You will earn 1575 Robo Points for buying this product

The HOKUYO URG-04LX is a state of the art laser range finder specifically designed for robotics applications.

  • Low cost high performance laser

  • Low power consumption 2.5W

  • Power source 5Vdc @ 500mA

  • High accuracy ± 10mm

  • 240° Scanning area

  • High resolution 0.36°

  • Compact L:50, W:50, H70mm

  • Light weight 160g

  • RS232 & USB connections

  • Range 20 to 4000mm

The Hokuyo URG-04LX Scanning laser range finder is a compact, affordable and accurate laser scanner designed for robotic applications. The URG-04LX is able to report ranges from 20mm to 4000mm (1mm resolution) in a 240° arc (0.36° angular resolution). Its power consumption, 5V 500ma, makes it the natural choice for battery operated vehicles. The URG-04LX is supplied with diagnostic software and sensor cable.

  • High accuracy, high resolution and wide angle which provide the best solution for autonomous robots moving in the unknown environment.
  • Compact size allows more designing freedom. Light weight and low power consumption contribute to the long time operations.
  • No influence by how bright the environment will be. Excellent performance in darkness.
  • Recognizing human body's size and position without invading their privacy.


Environmental recognition
by autonomic robot
Environmental recognition by autonomic robot

Invader detection for buildings

Invader detection for buildings
Automatic doors/Analyzing of
human behavioral characteristic
Automatic doors/Human behavioral characteristic
Obstacle detection for AGV

Obstacle detection for AGV


Model Number URG-04LX
Power Source 5VDC±5%*1
Current Consumption 60 to 4095mm (white paper with 70mm2)
Measuring area 20 to 5600mm (white paper with 70mm×70mm), 240°
Accuracy (Repeatability) 60 to 1,000mm : ±10mm 1,000 to 4,095mm : 1% of measurement (70mm2 white paper)
Angular resolution Step angle : approx. 0.36° (360°/1,024 steps)
Light source Semiconductor laser diode (λ=785nm), Laser safety class 1 (IEC60825-1, 21 CFR 1040.10 & 1040.11)
Scanning Time 100ms/scan
Noise 25dB or less
Interface USB, RS-232C (19.2k, 57.6k, 115.2k, 250k, 500k, 750kbps), NPN open-collector (synchronous output of optical scanner : 1 pce)
Communication specifications Exclusive command
Ambient temperature/humidity -10 to +50 degrees C, 85% or less (Not condensing, not icing)
Vibration resistance 10 to 55Hz, double amplitude 1.5mm Each 2 hour in X, Y and Z directions
Impact resistance 196m/s2, Each 10 time in X, Y and Z directions
Weight Approx. 160g
Accessory Cable for power?communication/input?output (1.5m) 1 pce, D-sub connector with 9 pins 1 pce*2

*1 Sensor will not operate with USB bus power. Prepare power source separately.

*2 USB cable and fitting metal don't provide.

Note) This Sensors is designed for indoor use only

External Dimensions

URG-04LX External Dimensions

*Power source - RS232C - Synchronous Output

Input/Output Circuit

Input (IN1 to IN3) Output (OUT1 to OUT3)
Input (IN1 to IN3) Output (OUT1 to OUT3)


PIN NO Signals Colours
1 N.C. Red
2 N.C White
3 OUTPUT (Synchronous output) Black
4 GND (5th pin of 9-pin, D-sub connector) Purple
5 RxD (3rd pin of 9-pin, D-sub connector) Yellow
6 TxD (2nd pin of 9-pin, D-sub connector) Green
7 0V Blue
8 DC5V Brown

Note) It is short-circuited between GND for communication and 0V inside

. CN2

USB-miniB (5pin)

Product Attachments

View FileHOKUYO URG-04LX Product Overview    Size: (269.86 KB)
View FileHOKUYO URG-04LX Specifications    Size: (239.25 KB)
View FileURG Series Communication Protocol    Size: (285.99 KB)
View FileHOKUYO URG-04LX Technical Drawing    Size: (36.9 KB)

Whenever possible, items which are in stock are dispatched the same day, or the next working day.

Large and/or heavy items are dispatched by UPS courier service and these orders must be placed before 15:00hrs (GMT) to ensure same day dispatch.

Small items are normally sent using a Royal Mail service for UK orders, and International Airmail or UPS for overseas orders

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