Lightware SF23-B Laser Rangefinder (50 m)

LightWare LiDARSKU: RB-Lwo-02
Manufacturer #: SF23/B

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  • Lightware SF23-B Laser Rangefinder (50 m)
  • Features a very low power LiDAR
  • Can run from voltages as low as 3.2 V
  • Operates from a small solar panel or coin cell battery
  • Is able to take 1 to 10 readings per second

The Lightware SF23-B Laser Rangefinder (50 m) is a very low power LiDAR that can be used in energy critical applications where batteries or solar cells are used. It is a small form factor, general purpose LiDAR sensor that measures the distance to objects by timing a laser flash. It measures up to 50 m in outdoor conditions.

The SF23/B LiDAR is rated laser Class 1 eye safe. Do not view the laser with magnifying optics such as microscopes, binoculars or telescopes. The SF23/B LiDAR communication interfaces include A serial port (3.0 V logic level) with configurable baud rate to connect to a host controller. A shutdown control line. A general purpose control line.

The SF23/B requires a clear line-of-sight to measure distance to a target surface. It can be mounted with a vertical or horizontal lens orientation. Accuracy is not generally affected by the colour or texture of the target surface, nor the angle of incidence of the laser beam. The SF23/B is tolerant to changes in background lighting conditions, wind and noise.

  • 1 x Lightware SF23-B Laser Rangefinder (50 m)


  • 32 x 30 x 22 mm
  • Measuring range: 0.2 to 50 m (80% reflective, large target)
  • Measuring speed: 1 to 20 readings per second (configurable)
  • Interfaces: Serial
  • Integration: User APIs, LightWare Studio
  • Safety: Eye safe laser emission Class 1
  • Environmental: Open frame, no IP rating
  • Resolution: 1 cm
  • Accuracy: ±10 cm
  • Power supply voltage: 3.1 - 5.5 V
  • Power supply current: < 5 mA, 100 mA
  • Outputs & interfaces: Serial (3.0 V logic), shutdown, control
  • Weight: 10 g (excluding cables)
  • Beam divergence: < 0.5°
  • Operating temperature: -10 - +50 °C

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