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The Hokuyo UTM-30LX is a scanning laser range finder with an extended sensing range out to 30 meters. Interface to the sensor is through USB 2.0 with an additional synchronous data line to indicate a full sweep. Scanning rate is 25 milliseconds across a 270° range. A 12 V power source is required.

Hokuyo UTM-30LX is the industry standard for long range 2-d laser range finders. Phenomenal build quality and performance.

This type of sensor has been successfully used on many autonomous ground vehicles and unmanned aerial vehicles, SLAM self-mapping applications, etc.

MIT students have used this type of sensor to build self-navigating autonomous quadcopters: http://projects.csail.mit.edu/video/research/robo/ICRA_2010.mov

 You can see the type of data it outputs here.

Detailed specifications, sample code and firmware updates are available from the manufacturer.

ROS drivers are available.

Data interface is via USB.



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Product: UTM-30LX

Light Source

Laser Semiconductor λ = 905nm Laser Class 1

UTM-30LX Supply Voltage

 12VDC ± 10%

Supply Current

 Max: 1A, Normal : 0.7A

Power Consumption

 Less than 8W


Detection Range


Detection Object

Guaranteed Range: 0.1 ~ 30m (White Kent Sheet) * ²

Maximum Range : 0.1 ~ 60m

Minimum detectable width at 10m : 130mm (Vary with distance)

UTM-30LX Accuracy

0.1 – 10m : ±30mm, 10 – 30m : ±50mm (White Kent Sheet) * ²

Under 3000lx : White Kent Sheet: ±30mm*¹ (0.1m to 10m)

Under 100000lx : White Kent Sheet: ±50mm*¹ (0.1m to 10m)


Measurement Resolution


Repeated Accuracy


0.1 – 10m : σ <10mm, 10 – 30m : σ <30mm (White Kent Sheet) * ²

Under 3000lx : σ = 10mm*¹ (White Kent Sheet up to 10m)

Under 100000lx : σ = 30mm*¹ (White Kent Sheet up to 10m)


Scan Angle



Angular Resolution

 0.25º (360°/1440

Scan Speed

25msMotor speed : 2400rpm


Ethernet 100BASE-TX(Auto-negotiation)


Synchronous Output 1- Point

LED Display

Green: Power supply.

Red: Normal Operation (Continuous), Malfunction (Blink)

Ambient Condition

(Temperature, Humidity)

-10ºC ~ +50ºC

Less than 85%RH (Without Dew, Frost)

Storage Temperature


Environmental Effect

Measured distance will be shorter than the actual distance under rain, snow and direct


Vibration Resistance

10 ~ 55Hz Double amplitude 1.5mm in each X, Y, Z axis for 2hrs.

55 ~ 200Hz 98m/s2 sweep of 2min in each X, Y, Z axis for 1hrs.

Impact Resistance

196m/s2 In each X, Y, Z axis 10 times.

Protective Structure

Optics: IP67 (Except Ethernet connector )

Insulation Resistance

10MΩ DC500V Megger


210g (Without cable)




External Dimension


62mm×62mm×87.5mm 


*¹ Under Standard Test Condition (Accuracy can not be guaranteed under direct sunlight.)

*² Indoor environment with less than 1000Lx.

Please perform necessary tests with the actual device in the working environment.

Use data filtering techniques to reduce the effect of water droplets when detecting objects under the rain.


Quality Reference Value

Viberation resistance during operation

10~150Hz 19.6m/s2 Sweep of 2min in each X,Y,Z axis for 30min

Impact resistance during operation

49m/s2 X, Y,Z axis 10 times

Angular Speed

2π/s (1Hz)

Angular Acceleration

π/2rad/ s2


5 Years (Varies with operating conditions)

Noise Level

Less than 25dB at 300 mm


FDA Approval (21 CFR part 1040.10 and 1040.11)

interface: Robot Cable 4 Pin

Color Funtion
Brown +12V
Blue 0V
Green Synchronous Output

Ethernet Cable

RJ-45 plug is attached to the cable (Length: 300mm)

Laser Measurement Technology:






See video