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    Waterproof Noise Sensor, TTL

    YS-S02-02 is a noise sensor with a sealed waterproof housing, with a power supply voltage of 5-12VDC and a power consumption of approximately 0.12W. Adopting serial TTL communication interface, supporting three protocol modes: active, passive, and modbusRTU.
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    Delivery date: 6-12 days

    The baud rate (supports 9600, 19200, 38400, 57600, 115200) and module address (active mode does not have an address and does not require configuration) of the waterproof noise sensor can be set through configuration software to be suitable for different environments. The sensor housing is sealed and assembled with silicone foam strips, and the microphone head is internally convex with waterproof and sound permeable film added at the opening to achieve waterproof function. The external interface adopts a 4-chip aviation socket and is equipped with corresponding plugs, making it more convenient for customers to operate during application docking.


    Model ATO-YS-S02
    Operating Voltage 5-12VDC
    Power Consumption 0.12W
    Interface TTL-3.3V
    Measurement Range 30-130dB
    Frequency Range 31.5-8kHz
    Weighting Method A-Weighting
    Resolution Ratio 0.1dB
    Response Time 400ms
    Protocol Mode Active mode / Passive mode / ModbusRTU
    Byte Format Default Baud Rate 115200, 8 Data Bits, 1 Stop Bit, No Checksum
    Custom Baud Rate Support(9600、19200、38400、57600、115200)
    Custom Address Support(1-247, except passive mode)
    Operation Temperature -20 - 60℃
    Dimension 55×102×30 (H) mm



    • 5-12VDC ultra wide working voltage.
    • A-weighted sound pressure level calculation method.
    • TTL hardware communication interface.
    • ADS+PC waterproof shell design.
    • Built in microphone head, waterproof and sound permeable.
    • 30-130dB sound pressure detection range.
    • 31.5-8kHz frequency response.

    Dimension Drawing (unit: mm)Waterproof noise sensor dimension

    DetailsWaterproof noise sensor details

    ApplicationWaterproof noise sensor application

    Tips: What are the advantages of waterproof noise sensor?

    • Versatile Applications:
      Suitable for both indoor and outdoor use, the waterproof feature allows the sensor to function in diverse environments, expanding its utility for applications such as environmental monitoring, industrial settings, or smart city initiatives.
    • Robust Performance in Harsh Conditions:
      The waterproof design ensures the sensor's functionality even in adverse weather conditions, extreme temperatures, or situations where exposure to liquids is possible, contributing to its resilience and reliability.
    • Extended Lifespan:
      The waterproof casing protects the internal components from water damage, increasing the overall lifespan of the sensor and reducing the need for frequent replacements or maintenance.
    • Accurate Noise Measurement:
      Despite challenging environmental conditions, the waterproof noise sensor maintains its accuracy in measuring sound levels, providing reliable data for noise monitoring, control, and analysis.
    • Remote Monitoring in Wet Environments:
      In applications where remote monitoring is essential, such as monitoring noise levels near bodies of water or in rainy areas, the waterproof sensor ensures continuous operation without compromising accuracy.
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