905nm Laser Rangefinder Module 600m SFA600A

The SFA600A Micro Laser Rangefinder is a high-precision, compact ​laser rangefinder​ module designed for integration into advanced systems requiring accurate distance measurement. Operating on a 905nm laser wavelength, this module combines robust performance with minimal size and weight, making it ideal for applications where space and reliability are critical. With a simple TTL-UART interface and low power consumption, the SFA600A delivers seamless integration for professional and industrial use.

Key Features

  1. High Accuracy & Long Range
    • Measures distances up to ​600 meters​ with an accuracy of ​±1 meter​ (within 400 meters).
    • Capable of targeting buildings and other standard surfaces (reflectivity ≥0.3).
  2. Ultra-Compact Design
    • Weighs only ​25 grams​ with dimensions of ​24×24×47.5mm, enabling integration into lightweight platforms like drones and robotics.
  3. Dual Measurement Modes
    • Single-shot mode​ for on-demand measurement.
    • 1Hz continuous mode​ for periodic monitoring.
  4. Low Power Consumption
    • Operates at ​3.3V​ with average power consumption under ​1W, ideal for battery-powered systems.
  5. Environmental Durability
    • Works in temperatures from ​​-20°C to 60°C, with storage tolerance from ​​-40°C to 70°C.
  6. Simple Integration
    • Standard TTL-UART communication (115200bps) and a 4-pin connector for straightforward interfacing.

Technical Specifications

ParameterSpecification
Laser Wavelength905nm
Transmitter ApertureΦ6.8mm
Receiver ApertureΦ19mm
Ranging Capability≥600m (Target: Building, Reflectivity: 0.3, Relative Humidity ≤60%, Visibility ≥10km)
Blind Zone≤10m
Ranging Accuracy≤±1m (≤400m), ≤±2m (>400m)
Correct Measurement Rate≥98%
False Alarm Rate≤2%
Ranging FrequencySingle-shot, 1Hz
Baud Rate115200bps
Weight≤25g
Dimensions≤24mm×24mm×47.5mm
Electrical InterfaceHost: LNN100-157128-200-4P
Rangefinder: A1002WR-S-4P
Supply Voltage3.3V
Standby Power Consumption≤0.6W
Average Power Consumption≤1W
Operating Temperature-20℃~60℃
Storage Temperature-40℃~70℃
FunctionLaser Ranging

Applications

The SFA600A ​laser measuring tool​ is engineered for:

  • Drones & UAVs: Altitude measurement, obstacle avoidance, and terrain mapping.
  • Robotics: Navigation, positioning, and environment sensing.
  • Industrial Automation: Distance monitoring in manufacturing and logistics.
  • Portable Instruments: Handheld ​range finder​ devices for surveying and construction.