URM12 Ultra Long Range Ultrasonic Distance Sensor (70~1500cm)

SKU: SEN0310

The URM12 Ultrasonic Distance Sensor is designed for precision in distance ranging and obstacle avoidance, featuring a 1500cm detection range, 15° angle, RS485 interface, and Modbus-RTU protocol support, ideal for level measurement and robotic applications.

Front of black cylindrical ultrasonic sensor with RS485 and IP65 waterproof rating.-DFRobot product sku:SEN0310 image.
  • Docs
  • Tech Specs
  • 1. Example Code for Arduino-Read Measured Distance

    This article provides a detailed guide on how to use Arduino and RS485 Shield to measure distance using the URM12 ultrasonic sensor. It includes hardware and software preparation, wiring diagrams, and sample code to perform accurate distance measurement.

    2. Example Code for Arduino-Read Onboard Temperature Sensor

    This article guides users through setting up an Arduino system to read onboard temperature sensors using an RS485 shield. It covers hardware and software preparation, offers a sample code, and explains the wiring diagram needed for successful implementation.

    3. Example Code for Arduino-Modify Module Address

    This article provides a detailed guide on modifying module addresses using Arduino, including hardware preparation, software setup, and sample code implementation for effective use with RS485 shield.

    4. Example Code for Arduino-Modify Module Baud Rate

    The article provides a comprehensive guide on modifying the baud rate for Arduino modules using RS485. It includes hardware requirements, software setup, and detailed sample code. Ideal for Arduino enthusiasts looking to enhance their projects with specific baud rate configurations.

    Reference

    This article provides comprehensive information on RS485 communication interface and Modbus-RTU protocol for sensors, including library installation in Arduino IDE, detailed register descriptions, and the principles behind ultrasonic sensor detection in various environments.

    Specification

    Parameter Value
    Operating Voltage DC 9-24V
    Rated Power 4.8W
    Effective Detection Range 70 ~ 1500cm
    Distance Resolution 1cm
    Distance Accuracy 1%
    Temperature Resolution 0.1℃
    Temperature Accuracy ±1℃
    Measuring Frequency 3Hz
    Operating Temperature -10℃~+70℃
    Operating Humidity Range RH<75%
    Acoustics Frequency 38~42KHz
    Direction Angle 15°±2°(-6dB)
    IP Grade IP65
    Communication Interface RS485

    Pinout

    SEN0310-Pinout

    Wiring Order

    No. Wire Color Function
    1 Black (thick line) Shielded cable
    2 White VCC
    3 Black (thin line) GND
    4 Orange RS485-A
    5 Brown RS485-B

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