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Hokuyo UST-05LN Scanning Laser Rangefinder

Upgraded with wider detection range and faster response time. More flexible field setting is available and even more suitable for obstacle detection of AGVs or load shifting detection.
  • UST-05LN

  • Hokuyo



-> 2D scanner for measuring distance between the sensor and its surroundings.
-> Supply voltage 10 to 30V
-> The smallest and lightest of its kind
-> Measurement distance, 5m
-> Faster response, 66msec
-> More flexible field setting available

Laser Scaning  image


Technical Parameter

Product name Scanning Laser Range Finder
Model UST-05LN
Supply voltage DC 12V/DC 24V (operation range 10 to 30V, ripple within 10%)
Supply current 150mA (DC 24V) or less (during start up about 400mA is necessary.)
Light source Laser semiconductor (905nm), Laser class 1(IEC60825-1:2007, Accession number:1420210-000)
Detection range and object 60mm to 5000mm (white Kent sheet)
60mm to 2000mm (diffuse reflectance 10% )
Minimum detectable size 130mm (changes according to distance)*1
Accuracy 60mm to 5000mm ±40mm*2
Standard deviation σ<20mm*2
Scan angle 270°
Scan speed 25msec (motor speed 2400rpm)
Angular resolution 0.5°
Start up time Within 10 sec (start up time differs if malfunction is detected during start up)
Outputs Photo-coupler, open collector output Max DC 30V 50mA
Output 1: Output 1 OFF during object detection
Output 2: Output 2 OFF during object detection
Output 3: Output 3 OFF during object detection
Malfunction output: ON during normal operation, OFF during malfunction
Synchronization output: Synchronization signal during Master/Slave operation.
Note: Output 1 to 3 are switched OFF during malfunction state
Inputs Photo-coupler, common anode, power supply is 4mA when input is ON
Input 1 to 5: Area switching inputs (refer Table1)
Synchronization input: Input synchronization signal during Slave operation.
Output response time*3 OFF : 66msec to 3241msec
ON : 66msec to 3241msec
Hysteresis Hysteresis high (6.25%, not less than 60mm)
Hysteresis low (3.125%, not less than 30mm)
No Hysteresis (Default)
Interface USB
LED display Blue LED: ON during normal operation, 
blink during the start up,
Output 1 LED(Orange): ON during object detection
Output 2 LED(Orange): ON during object detection
Output 13LED(Orange): ON during object detection
Synchronization function Master/Slave Synchronization mode is set using the configuration software*4
Slave synchronization mode (0°)
Slave synchronization mode (90°)
Slave synchronization mode (180°)
Slave synchronization mode (270°)
Ambient illumination Less than 15,000lx
Note : Avoid direct sunlight or other illumination sources as it may cause sensor malfunction
Ambient temperature and humidity -10°C to +50°C, below 85%RH (without dew, frost)
Storage temperature and humidity -30°C to +70°C, below 85%RH (without dew, frost)
Vibration resistance 10 to 55Hz double amplitude of 1.5mm for 2hrs in each X, Y, and Z direction
55 to 200Hz 98m / s2 sweep of 2min for 1hr in each X,Y and Z direction
Shock resistance 196m/s2 (20G) each X,Y and Z direction 10 times.
Insulation resistance 10MΩ, DC 500V
Protective structure IP65
EMC standards (EMI)
EN55011:2009 + A1:2010
EN61000-4-3:2006 + A1:2008 + A2:2010
Weight 130g
Material Upper case: Polycarbonate, Lower case: Aluminum
Dimensions (W×D×H) 50×50×70mm

*1. In the case of installing the sensor parallel to the Emitter/Receiver surface. Minimum detectable size of the object can be set by Area Designer.
*2. Under the factory standard testing condition using white Kent sheet.
*3. Initial setting is 66msec. ON/OFF delay function switching is possible by Area Designer. Response time can be further delayed by a maximum of 1scan during the area switching.
*4. Initial setting is synchronization master. Synchronization slave setting is possible using Area Designer



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