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    Picture of Noise Sensor, Ceiling Mounted, 4-20mA/0-5V/RS485 Picture of Noise Sensor, Ceiling Mounted, 4-20mA/0-5V/RS485

    Noise Sensor, Ceiling Mounted, 4-20mA/0-5V/RS485

    1 review(s) | Add your review
    SKU: SUCH-NS-300XD2
    $88.51
    ● Ceiling-mounted noise sensor for indoor noise monitoring ● Measurement range: 30–130dB/ 30–120dB ● 4-20mA/0-10V/0-5V/RS485 outputs with 0.1dB ● Operating temperature -20℃~+60℃ for building noise monitoring
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    🚚 Free shipping
    🕒 Delivery date: 6-12 days
    🔁 30-day Returns
    Overview

    Ceiling-mounted noise sensor is a high-precision sound measurement device with a measurement range of 30~130dB/30~120dB, a resolution of 0.1 dB, and a frequency response range of 20 Hz to 12.5 kHz. SUCH noise sensor uses a high-sensitivity condenser microphone, ensuring stable signal, high accuracy, and a response time of ≤3 seconds. It operates in ambient temperatures of -20℃ to +60℃ and humidity levels of 0%RH to 80%RH. Noise detection sensor features a wide measurement range, good linearity, and easy installation, and supports multiple output methods including 4-20mA, 0-10V, 0-5V, and RS485. It is widely used for noise monitoring in homes, offices, workshops, automobiles, and industrial environments.

    Feature

    • Equipped with a high-sensitivity capacitive microphone for stable signals, precise measurement, and excellent linearity.
    • Supports multiple analog and digital output interfaces, suitable for home, office, and industrial environments.
    • Ceiling-mounted design for an attractive appearance and convenient installation and maintenance.

    Dimension (Unit: mm)

    Noise sensor ceiling mounted dimension

    Installation

    Noise sensor ceiling mounted installation

    Wiring Method

    Type Line Color Description
    Power supply Brown Power supply positive
    Black Power supply negative
    Output Blue Noise signal positive
    Green Noise signal negative

    Four-wire wiring diagram

    4-wire wiring diagram

    Three-wire wiring diagram

    3-wire wiring diagram

    Specs
    DC Power Supply (Default) 10~30V DC
    Maximum Power Consumption Current output: 1.2W
    Voltage output: 1.2W
    Transmitter Circuit Operating Temperature -20℃~+60℃，0%RH~80%RH
    Resolution 0.1dB
    Measurement Range Analog: 30~120dB; RS-485: 30~130dB
    Frequency Range 20Hz~12.5kHz
    Response Time ≤3s
    Stability Less than 2% over the service life
    Noise Accuracy ±0.5dB (at reference pitch, 94dB@1kHz)
    Output Signal 4-20mA, 0-10V, 0-5V, RS485
    Load Capacity Current output: Output resistance ≤250Ω
    Voltage output: ≤600Ω

    PDF computingCeiling Mounted Noise Sensor User Manual (RS485)

    Application
    Workshop

    Workshop

    Household noise

    Household Noise

    Warehouse

    Warehouse

    FAQ
    ❯

    A ceiling-mounted noise sensor is a sound monitoring device installed on the ceiling to measure and track environmental noise levels in real time.

    ❯

    It should be installed on the ceiling in a stable area away from vents or strong noise sources to ensure accurate measurements.

    ❯

    It is suitable for homes, offices, workshops, vehicles, and industrial environments.

    1 review(s)
    5.0 1
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    Elliot Granger | 10/15/2026 9:20 AM
    A practical noise sensor for a fixed installation
    I needed a noise sensor that could be mounted overhead and stay out of the way. The ceiling-mounted design worked well for our layout, and I chose the output that matched our monitoring system. I also had to think about where to mount it, since I didn’t want it too close to an air vent. It’s been handy for keeping an eye on noise levels without having to take manual readings all the time.
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