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Home / Computer Hardware, Monitors & Peripherals / Noise Sensor Module RS485 Industrial-Grade Noise Decibel Detector with UART Sound Level Meter for Dust and Noise Monitoring

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Communication Interface RS485 & UART
Power Supply DC 5V - 24V
Noise Measurement Range 30dB - 130dB
Measurement Accuracy ±1.5dB
Frequency Weighting A-Weighted
Operating Temperature -20°C to 60°C
Ingress Protection IP65
Housing Material ABS Plastic & Aluminum
Protocol Support Modbus RTU
Product Dimensions 85mm x 65mm x 30mm

5 reviews

A

Anonymous

Apr 05, 2026

Rating: 5/5

Perfect for factory floor

Installed this on our assembly line to monitor noise levels. The RS485 connection was stable and data logging is accurate.

A

Anonymous

Apr 01, 2026

Rating: 5/5

Easy integration

UART interface made it simple to connect to our microcontroller. Reading decibel levels in real-time is straightforward.

A

Anonymous

Mar 19, 2026

Rating: 4/5

Reliable monitoring

Does exactly what it says. We use it for environmental reporting. Stable readings over long periods.

A

Anonymous

Mar 01, 2026

Rating: 4/5

Good value industrial sensor

Works well with our PLC system. Accuracy seems consistent compared to our handheld meter. Deducting one star because the wiring diagram was slightly unclear.

A

Anonymous

Jan 20, 2026

Rating: 5/5

Robust build quality

The housing feels very durable. We are using it in a dusty workshop environment and it has held up well for three months so far.

5 FAQ

Q: What protocol does the RS485 use?

A: It supports Modbus RTU protocol over the RS485 interface for industrial integration.

Q: Is this compatible with Arduino?

A: Yes, you can connect via the UART interface using 3.3V or 5V logic levels.

Q: Can this withstand rain if mounted outside?

A: The module has an IP65 rating, making it resistant to dust and water jets, suitable for outdoor mounting.

Q: Does it require external calibration?

A: The sensor comes pre-calibrated from the factory. Recalibration is recommended annually depending on usage.

Q: What is the maximum cable length for RS485?

A: RS485 can support cable lengths up to 1200 meters depending on the baud rate and cable quality.

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