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905nm Laser Rangefinder Module 2.5km SF-DYA2502B

The SF-DYA2502B Miniature Laser Rangefinder is a compact, ultra-lightweight solution for high-precision distance measurement. Weighing just 45g and measuring 50.5×37.5×22.5mm, it delivers up to 2500m range (±1m accuracy) with 1Hz/2Hz frequency modes, ideal for drones, robotics, industrial automation, and outdoor equipment. Operates in extreme temperatures (-40°C to +60°C) with low power consumption (≤2W).

Key Selling Points

  • ​Ultra-Compact & Lightweight (45g)
  • Long-Range Precision (2500m, ±1m accuracy)
  • Robust Performance (-40°C to +60°C)
  • Low Power Consumption (≤2W)
  • ​Easy Integration (TTL interface, plug-and-play)

Applications:

  • Drones
  • AGVs
  • surveying tools
  • smart traffic systems
  • forestry equipment
  • security devices
  • sports rangefinders

Key Features

  • Single/continuous (1Hz/2Hz) measurement
  • Self-diagnostic function with temperature feedback
  • Anti-interference design for stable outdoor use
  • Laser safety compliant (905nm, Class 1M)

Specifications

Operating Wavelength 905nm
​Ranging Capacity ≥2500m (for large targets)
​Blind Zone ≤15m
​Accuracy ±1m
​Measurement Frequency Single-shot, 1Hz, 2Hz
​Weight ≤45g
​Dimensions ≤50.5mm×37.5mm×22.5mm
​Power Supply Voltage 4.5V–5.5V DC
​Power Consumption Standby: ≤1W
Average: ≤2W@(5V, 1Hz)
Environmental Operating Temperature: -40°C to +60°C

Note: All performance specifications and interfaces can be customized to meet specific requirements.


Electrical Interface

Electrical Interface Requirements:

  • ​Power Supply Voltage: 4.5V–5.5V
  • ​Standby Power Consumption: ≤1W
  • ​Average Power Consumption: ≤2W @5V, 1Hz
  • ​Pin Definitions: Power and communication port pin definitions are listed in Table 1.

Table : Power and Communication Port Pin Definitions

Pin Number Label Electrical Definition Signal Direction
P-1 5VIN+ Positive power input Power supply to the rangefinder
P-2 5VIN+ Positive power input Power supply to the rangefinder
P-3 5VIN- Negative power input Power supply to the rangefinder
P-4 5VIN- Negative power input Power supply to the rangefinder
P-5 POWER_CTR Low-power control port Active high, from host to rangefinder
P-6 GND Ground line Ground line
P-7 UART_TXD Signal input port Data output from rangefinder to host
P-8 UART_RXD Signal output port Data input from host to rangefinder

Notes:

  • Pins P-1/P-2 (5VIN+) and P-3/P-4 (5VIN-) are duplicated for enhanced power stability.
  • “Host” refers to the external controller or system interfacing with the rangefinder.
  • Signal direction descriptions align with TTL communication standards.


Compliance

  • CE, RoHS, IEC 60825-1 (Laser Safety)

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