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Hokuyo UXM-30LN-PW Scanning Laser Rangefinder

Scanning Rangefinder SOKUIKI sensor for intelligent robots
  • UXM-30LN-PW



Hokuyo UXM-30LN-PW Scanning Laser Rangefinder

  This is the Hokuyo UXM-30LN-PW Scanning Laser Rangefinder for object detection. It is useful in long-range non-contact distance measurement and object detection for outdoor applications. This scanning laser rangefinder is an ideal solution for area monitoring and collision control. It offers accurate real-time distance measurement through a 190° scanning field. It features the superior detection of dark colored objects with no effect on measurement due to dust or condensation on lens cover. And yes it is light-weight and compact design. It is enable to make a longer-range detection because of improving the sensitivity. Black color detection function is improved, too.



  • FDA approved SOKUIKI sensor for intelligent robots

  • High-sensitivity and Multi-Echo function

  • Scanning range: 0.1 to 30m (black objects with 10% reflectance)

  • Scan angle: 190º

  • Scanning time: 50msec/scan

Operating principle

  This device uses laser source (? = 905nm) to scan semicircular field. It measures distance to objects in the range and co-ordinates of those point calculated using the step angle and it detects an object in the setting area. 

Structure (Light scanning image) 

Control signal - Detection output:

  • Output is switched off when any objects are detected inside the pre-set area (Output is ON when there are no objects)

  • Setting area can be set with 28 points

  • Min. detection objects can be set from 10mm to 1,000mm

  • Dead-zone at near side can be set from 0 to 1,000mm (under development)

  • When lens surface is covered by dirt or water droplet, it can remove its signals by using this function. However, it may not detect them sometime because any objects in setting dead-zone become shadow. Make sure to set in accordance with the environment.


  • High-sensitivity laser range finder

  • Possible to get wide environmental contour data

  • Possible to detect black car

  • Multi-Echo function

  • Possible to get the distance data to objects, small objects at near side or transparent cover

  • Suitable to detect snow, rain or dust at outside use and differentiate robot covers

  • Light weight, 1kg or less

  • Easy to install at the higher place

  • Safety design

  • FDA laser class 1, intrinsically safe


  • Suitable for vehicle position detection at multilevel car parking tower or for vehicle detection instead of loop coil

  • Multi-level parking garage vehicle detection

  • Collision-avoidance for overhead cranes and gantry cranes

  • Guide-path obstacle detection for AGVs and mobile equipment

   Note: This model is not a safety rated product. 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, manufacturer will export Hokuyo products for the purpose of maintaining the global peace and security in accordance with the above laws of Japan. 


  • Power source: 10 to 30VDC

  • Light source: Semiconductor laser (λ = 905nm), Laser safety class 1 (FDA)

  • Power consumption: 6W or less (at Regular)

  • Scanning angle: 190°

  • Angular resolution: Approx.0.25°(360°/1,440 steps)

  • Detection area setting: It is available settings in 0.1 to 30m range by points or input the coordinate value

  • Scanning speed: 50msec (Motor rotating number 1200rpm)

  • Interface: USB Ver. 2.0 FS mode (12Mbps) for Area setting

  • Output: 4 output signal: Error output, Output 1, 2 and 3

  • Input: 4 input signal: Area changeover input 1, 2, 3 and 4 (Max. 16 patterns)

  • Response time: 100ms or less (However it varies depending on the setting condition)

  • Start up time: In 30 seconds from power on (However it might beyond 30 seconds depending on the condition)

  • Ambient temperature/ humidity: -10 to +50 °C, 85%RH or less (Not condensing and icing)

  • Impact resistance: 196m/s2 Each 10 time in X, Y and Z directions

  • Protective structure: IP67

  • Insulation resistance: 10MΩ


Supply current

  • Regular current: 600mA or less (at 10VDC and 12VDC)

  • 250mA or less (at 24VDC)

  • Start-up current: 2A or less (at 10VDC), 1.5A or less (at 12VDC),

  • 0.75A or less (at 24VDC)


Detection range and object

  • Range: 0.1 to 30m (500mm × 500mm of Black objects with 10% reflectance)

  • Maximum detection range: 100m (limit value)

  • Minimum objects: 65mm (at 5m),130mm (at 10m),400mm (at 30m)


Distance accuracy

  • 3,000lx or less: ±50mm (black objects with 10% reflectance up to 10m and white paper up to 30m)

  • 100,000lx or less: ±100mm (black objects with 10% reflectance up to 10m and white paper up to 30m)


Measuring resolution/repeatability

  • 1mm

  • 3,000lx or less: σ <50mm (black objects with 10% reflectance up to 10m and white paper up to 30m)

  • 100,000lx or less: σ<100mm (black objects with 10% reflectance up to 10m and white paper up to 30m)


Indication lamp

  • Power (Green)

  • Operation/Error (Orange): Operating (ON), Error (blink)



  • Power and input/output: wire cable

  • USB: connector


Vibration resistance

  • 10 to 55Hz, double amplitude 1.5mm Each 2 hour in X, Y and Z directions

  • 55 to 200Hz, 19.6 m/s2 sweep of 2min Each 1 hour in X, Y and Z directions



  • Front case: Polycarbonate

  • Rear case: Aluminum

 UXM-30LN-PW High Power Obstacle Detection Sensor-1

If you have any enquiry about quotation or cooperation,please feel free to email us at or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.
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