The LightWare SF30/C is a high speed, light weight laser rangefinder for mapping and obstacle detection by robotic vehicles such as UAVs with a range up to 100m.
Available in 50 Meter or 100 Meter ranges, please choose from the drop down menu above.
Overview
Detect Obstacles and Create maps
The SF30 high speed laser rangefinder is designed to detect obstacles or create maps from moving ground-based or arial vehicles. Using a time-of-flight system to make very fast and accurate distance and speed measurements, accuracy is not affected by the colour or texture of the surface, nor the angle of incidence of the laser beam. The SF30 is virtually immune to background light, wind and noise, making it an ideal sensor to detect unexpected obstacles.There are two members of the SF30 family: the SF30/B has a maximum measuring range of 50 meters; the SF30/C has a maximum measuring range of 100 meters.
The SF30 can take up to 20010 readings per second and can be incorporated into scanning systems to create 2D SLAM maps or 3D images. The configurable features and multiple hardware interfaces make the SF30 easy to connect with different types of controllers.
Operating from a regulated 5 V DC supply, the SF30 includes a serial port, analog voltage, alarm, and USB interfaces that can be easily connected to a flight controller or a standard processing platform. Each interface on the SF30 can be configured using a simple software menu that is accessible through the built-in, micro-B USB port.
The interfaces are as follows:
- Serial port: Provides distance readings and other communications to an embedded host controller
- Analog port: An analog voltage proportional to the distance reading
- Alarm: A logic level signal that warns when the distance measured is below a preset value
- USB port: Connects to a Terminal application for alarm set-point, update rate, and exposure time customization.
Readings can be taken as isolated “snapshots” at a moment determined by the update rate and exposure time settings, or they can be combined using a digital filter into a smoothed time series. At the full speed of 20010 readings per second, a single flash of laser light is used to take a measurement. The synchronisation signal marks the instant of the laser flash ensuring that the time of the measurement is known precisely.
There are two members of the SF30 family: the SF30/B has a maximum measuring range of 50 meters; and the SF30/C has a maximum measuring range of 100 meters.
The Acroname Support Engineering Team can help you decide if the LightWare SF30/B (50m) and SF30/C (100m) are right for your needs and systems. Support is also available for setup and troubleshooting. Call or email our US-based support team.
- Very fast update rate of 18316 readings per second on all models.
- Measuring range > 100m (SF30/C only).
- Serial port, analog voltage, alarm and USB interfaces.
- USB port to change the alarm set-point, update rate and resolution.
- The host controller can change settings on the fly via the serial port.
- Compact and lightweight - 35 grams.
- Easy to configure using the built-in menu and LightWare Terminal software.
- Fully calibrated and ready to run.
- Accurate, reliable measurements in sunlight or dark conditions.
- Not affected by speed, wind, changes in barometric pressure, noise, ambient light, terrain or air temperature.
- Speed output mode displays distance and speed through analog port
- ISO9001:2008 Certified
Power up the SF30
The SF30 gets power from either a regulated +5 V DC supply on the main connector or via the USB port when it is connected to a PC. There are a number of digital and analog interfaces on the main connector and either one or a combination of interfaces may be connected to a host controller. The built-in micro-B USB port can be used to input settings and to test the performance of the SF30.
Power supply option 1: USB
The SF30 can be powered directly from the USB port of a PC or laptop. This is particularly useful for testing the SF30 before it is installed in your system and also for changing the settings in readiness for the final application.
Power supply option 2: Regulated +5 V DC
The second power supply option is to connect a regulated voltage of 5 ± 10% V DC to the main connector. If the power wires are more than 30 cm long, we recommend using a 100uF, 6.3V decoupling capacitor, or other noise suppression components to reduce the chance interference being picked up or transmitted by the wires.
| Characteristics | ||
| Range |
0.2 … 100 meters (natural targets) 0.2 … 175 meters (reflective targets) |
|
| Resolution | 1 cm | |
| Update rate | 20010 readings per second (max) | |
| Accuracy | ±0.10 meters (70% reflective target @ 20°C) | |
| Outputs & Interfaces | USB, serial & analog | |
| Power supply voltage | 5.0 V ± 0.5 V DC | |
| Power supply current | 250 mA (maximum) | |
| Outputs & Interfaces | USB, serial & analog | |
| Dimensions | 30 x 56.5 x 50 millimeters | |
| Weight | 35 grams (excluding cables) | |
| Connections | Plug & socket, micro USB | |
| Laser Power | 20 W (peak), <18 mW (average), Class 1M | |
| Optical aperture | 51 millimeters | |
| Beam divergence | 0.2° | |
| Operating temp. | 0 ... 40°C | |
| Approvals | FDA: pending | |
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