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Scanning RangefinderDistance Data Output
This product is no longer in production or sales.

Robot`s eye, No.1 market share. -> Revolutionary low price!! -> Laser range finder for autonomous robot. -> Best for students and researchers who are involved in robotics. -> Smart to run on USB bus power.



-> Light weight(160g).Best for robot!
-> Low-power consumption(2.5W) for longer working hours.
-> Wide-range(5600mm×240°).
-> Accuracy(±30mm).*
-> Distance and angle data output with high angular resolution(0.352°).
-> High quality product under Total Quality Management.
-> Designed, manufactured and inspected by HOKUYO.

* For distance above 1,000mm, accuracy is ±3%.


Model No. URG-04LX-UG01
Power source 5VDC±5%(USB Bus power)
Light source Semiconductor laser diode(λ=785nm), Laser safety class 1
Measuring area 20 to 5600mm(white paper with 70mm×70mm), 240°
Accuracy 60 to 1,000mm : ±30mm,
1,000 to 4,095mm : ±3% of measurement
Angular resolution Step angle : approx. 0.36°(360°/1,024 steps)
Scanning time 100ms/scan
Noise 25dB or less
Interface USB2.0/1.1[Mini B](Full Speed)
Command System SCIP Ver.2.0
Ambient illuminance*1 Halogen/mercury lamp: 10,000Lux or less, Florescent: 6000Lux(Max)
Ambient temperature/humidity -10 to +50 degrees C, 85% or less(No condensation, no 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
*1 Thease products are only for indoor applications. Strong sunlight may cause error output.

Note) This model is not a safety rated product. Note) Hokuyo products are not developed and manufactured for use in weapons, equipment, or related technologies intended for destroying human lives or creating mass destruction. If such possibilities or usages are revealed, the sales of Hokuyo products to those customers might be halted by the laws of Japan such as Foreign Exchange Law, Foreign Trade Law or Export Trade Control Order.In addition, we will export Hokuyo products for the purpose of maintaining the global peace and security in accordance with the above laws of Japan . External dimension

External dimension

External dimension

External dimension

I/O Circuit

Cable URG-C001(Option)

Cable URG-C001(Option)
*During booting, 500mA current is required.
If the sensor can not be started with a single USB port, please use 2 USB cables(not included) for power supply from 2 USB ports.
Please connect to 2 independent USB ports which can supply 500mA.

※PC's motherboard could be broken if the sensor is connected to the USB ports which are not able to supply 500mA×2.
※The GND lines connected to the USB are all shorted.


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Download List

Category File name File size Date modified Download
Communication Protcol
Communication Protocol Specifications_URG-04LX-UG01
USB Driver
Data Viewing Tool_UrgBenriPlus_2.3.1(rev.340)


Please visit this website for programming guide.