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Boulder, CO, 80301


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Robotic and automation sensors for 1D laser rangefinders (LIDAR), 2D scanning lasers or LIDARs, 3D time-of-flight cameras, digital compasses, programmable USB hub, programmable ethernet controlled relays, programmable USB controlled relays.

Hokuyo UST-20LX Scanning Laser Rangefinder

Hokuyo UST-20LX Scanning Laser Rangefinder R360.jpg
Hokuyo UST-20LX Scanning Laser Rangefinder R360.jpg

Hokuyo UST-20LX Scanning Laser Rangefinder


by Hokuyo Automatic Co., LTD.

The UST-20LX is a scanning laser range finder with a .02 to 20 meter range.  The sensor's interface is Ethernet.  Scanning rate is 25 milliseconds across a 270° range.  A 12/24VDC power source is required.

SKU# R360-UST-20LX

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All necessary wiring/cabling is included.  Please refer to the technical documentation below for wiring instructions.  Note: Reversing the power polarity will damage the sensor!  

If a need arises to adjust this sensor's network settings (such as the IP address), Hokuyo recommends using the URG Benri software tool.Please refer to Hokuyo's Technical Documentation linked in the Downloads tab.


Technical Documentation

URG Benri Data Viewing Tool

Hokuyo Comparison Chart

Product Datasheet


For Indoor Use

LIGHT SOURCE                                                                Semiconductor laser diode (FDA approval, Laser safety class 1)

SCANNING RANGE                                                          0.02 to 20m 270-degree

MEASURING ACCURACY                                                 +/-40mm

ANGULAR RESOLUTION                                                 0.25 degrees (360/1 ,400)

SCANNING FREQUENCY                                                40Hz (2,400rpm)

MULTI ECHO FUNCTION                                                 N/A

COMMUNICATION PROTOCOL                                       SCIP 2.2

COMMUNICATION                                                           Ethernet 100 BASE-TX

DI/0 INTERFACE                                                             Scanner synchronous and Failure output

POWER SOURCE                                                            12V or 24VDC

POWER CONSUMPTION                                                0.15A or less (on 24VDC)

AMBIENT ILLUMINANCE                                               10,000 lx or less

PROTECTIVE STRUCTURE                                             IP65

WEIGHT                                                                          130g

SIZE (W X D X H) MM                                                    50 x 50 x 70