Product Design and Architecture
The SFA2000B micro laser rangefinder module employs a sophisticated modular design approach that integrates four key components into an ultra-compact package. The system operates on a 905nm laser wavelength and utilizes TTL serial communication, ensuring both stability and efficiency in its operation.
Technical Specifications: Maximum Performance in Minimum Space
The engineering achievement of the SFA2000B becomes evident when examining its comprehensive technical specifications. This precision laser measurement device delivers professional-grade performance despite its miniature dimensions:
| Parameter | Specification |
|---|---|
|
Ranging range |
0.1-2000m |
|
Accuracy |
±1m |
|
Laser Wavelength |
905nm |
|
Power Supply |
3.3V (3.3V-5V range) |
|
Peak Current |
≤500mA |
|
Communication |
UART-TTL (3.3V) |
|
Response Time |
≤100ms |
Engineering Innovations Behind Miniaturization
Advanced Optical System Design
The key to achieving coin-sized dimensions lies in the innovative optical architecture. The SFA2000B employs precisely calibrated micro-optics that maintain optical path integrity within a dramatically reduced space. The careful alignment of transmitting and receiving antennas ensures accurate laser distance measurement while minimizing the overall footprint.
Power Management Breakthrough
Despite its compact size, the SFA2000B incorporates sophisticated power management systems that enable efficient operation with peak consumption of ≤1.5W at 1Hz operation. The implementation of intelligent power cycling allows this miniature rangefinder system to operate efficiently without thermal compromise.
Mechanical Interface Optimization
The mechanical design represents a marvel of engineering efficiency, achieving optimal space utilization through innovative component placement and packaging solutions.
Interface and Communication Protocol
Electrical Interface Specifications
The device features a streamlined electrical interface with clear pin definitions:
Power supply requirements: 3.3V with 3.3V-5V operating range
Communication protocol: UART-TTL with multiple baud rate options
Connector type: 0.8WTB series for reliable connections
Communication Protocol Details
The SFA2000B supports comprehensive communication capabilities:
Default baud rate: 115200bps (with 9600bps/38400bps/57600bps options)
Data format: 1 start bit, 8 data bits, no parity, 1 stop bit
Operating modes: Single measurement, continuous measurement (1Hz/5Hz/10Hz), and stop commands
Optical Window Integration Guidelines
For optimal performance, specific guidelines are provided for protective optical windows:
Recommended material: H-K9L optical glass for 300nm-2100nm range
Coating specification: Anti-reflection coating for 855nm-955nm wavelength
Transmission rate: ≥99.5% for optimal performance
Mechanical tolerances: Wedge angle ≤3′ for precision alignment
Applications and Use Cases
The SFA2000B’s compact dimensions enable innovative applications across multiple sectors:
Robotics and Automation
Integration into autonomous systems for obstacle detection and navigation, leveraging the device’s compact lidar capabilities and rapid response time.
Portable Measurement Instruments
Enhancement of handheld measurement devices with professional-grade laser ranging technology for field applications.
Industrial Monitoring Systems
Implementation in space-constrained industrial environments for precision distance measurement applications and monitoring.
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