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HOKUYO Laser Range Finder

Product Code: UBG-05LN
Excl. VAT: £1,495.00 Incl. VAT: £1,794.00
You will earn 1495 Robo Points for buying this product

The UBG-05LN is a programmable laser distance measuring and obstacle detection scanner.

  • Automated Guided Vehicles

  • Robotics

  • Security

  • Automation


  • Operating principle is that semicircular field is scanned by laser(λ=785nm) and the coordinates is calculated by measuring distance to object and its step angle and it detects obstacles in setting area.
  • Scanning angle(detecting area) is 180° and detecting area can be free to set with 0.1 to 5m(length) and 4m(width) and it can set detecting distance with 3 steps output per each area.
  • It can change the detecting area(31 kinds max.) that was set beforehand by outer bit input.
  • Power source is 24VDC and current consumption is 150mA or less.
Model Number UBG-05LN
Power Source 24VDC (available operating range 18 to 30VDC, ripple within 10%)
Current Consumption 150mA or less but rush current 300mA is required when start-up (when 24VDC)
Light Source Semiconductor laser diode (λ=785nm), Laser safety class 1 (FDA)
Detectable Object

White paper with 1252 (Installing in parallel with projecting/receiving surface)

Detecting range Area with 0.1 to 5m (length) and 4m (width) (origin point is the scanning center)
Accuracy*1 ±20mm at 1m or less, 2% of measurement at 1m or more
Repeatability*1 ±10mm at 1m or less, 2% of measurement at 1m or more
Detecting are setting Output 1 : It is free to set from 0 to 5m for optical axis direction with 7 points pointer. Output 2, 3 : (1) Linear setting to progressive direction (2) Fan-shaped setting to optical axis direction (3) Percentage (%) setting against output 1 pointer
Hysteresis 6.25% of detecting distance

Photo-coupler/open-collector output (30VDC 50mA or less)

Output 1 : OFF when detected in area Output 2 : OFF when detected in area Output 3 : OFF when detected in area Output 4 (Trouble output) : ON during normal operationNote1)

Output response time 210msec or less(scanning speed 100msec/rev.)Note2)
Input Photo-coupler input(Anode common, Each input ON current 4mA) Detecting area changeover Set area No. by [Input 1], [Input 2], [Input 3], [Input 4] and [Input 5] Emission-stop by getting all [Input 1], [Input 2], [Input 3], [Input 4] and [Input 5] to ON (OFF : H level input, ON : L level input)
Input Responce Time Input taking-in cycle : 1 scanning time (100msec) (1msec when choosing emission-stop by outer input
Starting Time Within 10sec from putting power source on (It may exceed this time depending on the starting condition)
Indicators Power lamp (Green) : Flickers when troubled or started Output 1 lamp (Orange) : Lights up when detected in area Output 2 lamp(Orange) : Lights up when detected in area Output 3 lamp (Orange) : Lights up when detected in area
Connection Cable 1m Long
Ambient illuminanceNote 3) Halogen/mercury lamp : 10,000lx or less, Fluorescent lamp : 6,000lx (Max.)
Ambient temperature/ humidity -10 to +50 degrees C, 85%RH or less(Not condensing, not 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
Protective structure IP64 (IEC standard)
Weight 185g (260g with cable)
Life 5 years (motor life)
Material Front case : polycarbonate, rear case : ABS

*2 Accuracy test is made by standard reflector when shipment

Note 1) Output 1 to 3 show the state that detecting object is existing when trouble output was executed.

Note 2) More 1 scanning is delayed if area changeover was made.

Note 3) It may cause malfunctions when receiving strong light such as sun light etc.


Colours Signals
Black Output 1
White Output 2
White (Blue) Output 3
Orange Output 4 (Trouble output)
Gray Output common minus
Red Input common plus
Green Input 1
Yellow Input 2
Purple Input 3
White (Yellow) Input 4
White (Purple) Input 5
Brown +VIN?24VDC?
Blue -VIN
Yellow (Red) Serial input (RXD)
Yellow (Green) Serial output (TXD)
Yellow (Black) Serial GND

Note 1) Colors in parenthesis indicate ink color of both sides line printing. Note 2) Connect unused input wires to input common plus(Red) or open it. Connect unused output wires to output common minus(Gray) or open it. Note 3) Input/output direction is mentioned on the basis of UBG-05LN.

Input/Output Circuit

UBG-05LN Input/Output Circuit

External Dimensions

UBG-05LN External Dimensions

System Structure

UBG-05LN System Structure

* Scanning angle 180° and step angle 0.36° with 500 steps


Product Attachments

View FileHOKUYO UBG-05LN Specifications    Size: (246.99 KB)
View FileHOKUYO UBG-05LN Datasheet    Size: (178.02 KB)
View FileSoftware Utility    Size: (2.65 MB)

Whenever possible, items which are in stock are dispatched the same day, or the next working day.

Large and/or heavy items are dispatched by UPS courier service and these orders must be placed before 15:00hrs (GMT) to ensure same day dispatch.

Small items are normally sent using a Royal Mail service for UK orders, and International Airmail or UPS for overseas orders

Returns Policy

HOKUYO Laser Range Finder

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