Hokuyo UST-05LA Scanning Laser Rangefinder

HokuyoSKU: RB-Hok-23
Manufacturer #: UST-05LA

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Sale price ¥270,703

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Please be advised all Hokuyo components not in stock now have a 10-12 month lead time

  • Small, accurate, high-speed scanning laser range finder
  • Obstacle detection and localization of autonomous robots
  • Light source: Laser semiconductor (905nm)
  • Scan speed: 25ms (Motor speed 2400rpm)
  • Accuracy: 60mm to 5000mm (±40mm)

The Hokuyo UST-05LA Scanning Laser Rangefinder is a small, accurate, high-speed device for obstacle detection and localization of autonomous robots and automated material handling systems. This model includes both USB and RS422 interface for area configuration and communication. It can obtain measurement data in a wide field of view up to a distance of 5 meters with millimeter resolution. Due to its low power consumption, this scanner is able to be used on battery-operated platforms.

Hokuyo UST-05LA Scanning Laser Rangefinder- Click to Enlarge

The UST-05LA is a scanning laser range finder. The sensor emits pulsed laser beams within a 270° field of view. When the emitted laser beams are reflected back from an object, its distance is measured by applying the Time-of-Flight (TOF) principle. The sensor has 541 measurement steps with a 0.5° pitch. The user can preset up to 31 area patterns in the sensor. Each area has 3 outputs; Output 1, Output 2 and Output 3. When the sensor detects an object in the area, corresponding outputs are switched to an OFF state. User can obtain the measurement data from the sensor using SCIP communication protocol.

Hokuyo UST-05LA Scanning Laser Rangefinder

Communication Interface
The sensor is equipped with both USB and RS422 communication interfaces. It is possible to configure areas and write them in the sensor by using application software via these interfaces. The sensor also supports SCIP protocol, therefore, user can obtain measurement data by sending commands of this protocol.

Hokuyo UST-05LA Scanning Laser Rangefinder


  • Wide detection range
  • Fast response
  • More flexible settings
  • Smallest and the lightest of its kind


  • Navigation and obstacle detection
  • Object positioning 
  • Object Profiling 
  • Object measurement and detection
  • Area monitoring
  • Size: 50mm (W) x 50mm (D) x 70mm (H)
  • Weight: 130g

ZIP File

  • Supply voltage: DC 12V/DC 24V (operation range 10 to 30V, ripple within 10%)
  • Supply current: 150mA (DC 24V) or less
  • Standard deviation: σ < 20mm
  • Scan angle: 270°
  • Scan speed: 25ms (motor speed 2400rpm)
  • Angular resolution: 0.5°
  • Start up time: Within 10 sec (start up time differs if malfunction is detected during start up)
  • Protective structure: IP65
  • Shock resistance: 196m/s2 (20G) X,Y and Z direction 10 times
  • Insulation resistance: 10MΩ, DC 500V
  • Interface: USB / RS422
  • Material front case: Polycarbonate
  • Rear case: Aluminum

Detection range and object

  • 60mm to 5000mm (white Kent sheet)
  • 60mm to 2000mm (diffuse reflectance 10% )
  • Minimum detectable size 130mm (changes according to distance)

Light source

  • Laser semiconductor (905nm)
  • Laser class 1(IEC60825-1:2007, Accession number:1420210-000)

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