< >

SKD-40S 40m Mini Laser Distance Measurement


SKD-40S laser distance measuement  is the smallest one in our laser distance sensor series.  Due to its small size and light weight, it is called mini-type laser distance sensor.

The weight is only 90 grams, the dimension is 67*59*26 mm. The accuracy is +/- 2mm in its full measurement range which is 40 meters.


Fields of application

For Industrial Automation 

■ Monitoring and positioning of mini installations or systems

■ Distance measurement in the areas of mini-type device

■ UAV, mini robots, smart car obstacle avoidance

laser distance measurement of SKD-40s


■ Long detection range (0.2~40m)

■ High measuring accuracy (typical precision ±2mm)

■ Sampling frequency 3~5Hz

■ Small size and light weight

Dimension 67x59x26mm Weight 90g

Good waterproof and dustproof performance with aluminum alloy shell (the highest level IP67)

■ Easy to use

Automatic measurement by simple commands from computer

■ Fast to install

Using 4 screws can be quickly and firmly installed

■ Kinds of digital output type

RS232/485/422 serial data output

■ Fully customized service based on 17+ years industry experience

click here to check more customers applications


Unmanned-drone surveying with SKD-50S laser distance sensor
Unmanned-drone surveying with SKD-50S laser distance sensor
Smart car obstacle avoiding with SKD-20S laser distance sensor
Smart car obstacle avoiding with SKD-20S laser distance sensor



Sensor modelSKD-40S
Measuring range0.2~40m*
Measuring accuracytyp:±2mm
Sampling frequency3~5Hz
Smallest unit displayed1mm
Laser class2
Laser type635nm,<1mW
Measuring mode

-trigger measuring

-continuous measuring




Operation modecommands by computer
Output type

-digital output


RS232/RS485/TTL output

Power supplyDC 9~24V/1A
Power consumption<3W
Temperature range




-25℃ to 70℃

-10℃ to 50℃

Dimension67 x 59 x 26mm

*Use a target plate to increase the measurement range during daylight or if the target has poor reflection properties.