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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.

LightWare SF11/C (120 meter)

LightWare SF11 C R395.jpg
LightWare SF11 C R395.jpg

LightWare SF11/C (120 meter)


by LightWare Optoelectronics

The LightWare SF11/C is a long range (0-120m), light weight laser altimeter designed for above-ground-level measurement from UAVs (multi-copter or fixed wing).  It is directly compatible with Pixhawk flight controllers.  

SKU# R395-SF11-C

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The SF11/C is a compact, lightweight laser altimeter for above-ground-level measurement from small fixed wing or multi-rotor craft.  Typical applications include; FAA height limit warning, precision photography, terrain following and assistance with takeoff, landing and hovering.  It is directly compatible with the Pixhawk and other flight controllers.  

The SF11/C laser altimeter makes accurate distance measurements to solid surfaces up to an altitude of 120 meters and water up to 40 meters.

It includes digital (serial and I2C) and analog (12bit) outputs along with a micro USB configuration port.  

Ships complete with power, interface and micro USB cables.  


  • Compatible with Pixhawk, APM compatible and other flight controllers.
  • Very compact and lightweight at 35 grams.
  • Accurate AGL altitude measurements on ground, foliage and water.
  • Fast update rate of 20 readings per second.
  • Includes serial, I2C, USB and analog interfaces with programmable capabilities.
  • Easy to configure using the built-in menu and LightWare Terminal software.
  • Fully calibrated and ready to run.
  • Accurate, reliable altitude measurements in sunlight or dark conditions.
  • Not affected by: speed, wind, changes in barometric pressure, noise, ambient light, terrain or air temperature.
  • Ships complete with power, interface and micro USB cables.


Copter Pixhawk interface instructions

LightWare SF11/C Product Manual Rev 6

LightWare Nominal Beam Pattern Chart


Range 0-120 meters (natural targets), 2-40 meters (moving water)
Resolution 1cm
Update rate 20 readings per second
Accuracy +/-0.1 meter (70% reflective target @ 20 C)
Power supply voltage 5.0V +/- 0.5VDC
Power supply current 200mA (maximum) 
Outputs & interfaces Serial, I2C (up to 400kHz) & analog with maximum latency of 65ms
Dimensions 30 x 56.5 x 50mm
Weight 35g (excluding cables)
Connections Plug & socket, micro USB
Laser power 20W (peak), <15mW (average), Class 1M
Optical aperture 51mm
Beam divergence 0.2 degrees
Operating temp. 0-40 C
Approvals FDA accession number: 1410968-002 (2016/01)