WS302 – LoRaWAN Sound Level Sensor SPL, Leq, Lmax – Milesight | DistrIoT
Milesight
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WS302 – LoRaWAN Sound Level Sensor SPL, Leq, Lmax – Milesight

Capteur WS302 Milesight LoRaWAN, mesure sonore 30–120 dB (A/C), IP30, SPL/Leq/Lmax, NFC, autonomie étendue, montage mural discret.

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Description détaillée

WS302 – LoRaWAN Sound Level Sensor SPL, Leq, Lmax – Milesight

General Description

The Milesight WS302 is a LoRaWAN® sound sensor designed to monitor ambient noise in indoor environments. It measures SPL, Leq, and Lmax over a range of 30 to 120 dB, with A/C frequency weighting and a fast response mode. Easy to configure via NFC, it is suitable for applications in schools, offices, hospitals, or light industry. It mounts discreetly on a wall and operates on replaceable batteries for long battery life.

Targeted Applications

  • Acoustic monitoring in schools, hospitals, offices
  • Noise pollution control in urban environments
  • Sound analysis in public spaces
  • Smart building management

Highlights

  • Sound measurement from 30 to 120 dB (A and C)
  • Accuracy ±3 dB with 0.1 dB resolution
  • A/C Weighting and Fast Time Weighting
  • Current SPL outputs, Leq, Lmax
  • LoRaWAN® Class A transmission
  • Easy setup via NFC
  • Powered by 2 replaceable 2700 mAh batteries
  • Adhesive or screw wall installation

Technical Specifications

Transmission
Technology LoRaWAN®
Supported frequencies CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1/2/3/4
Transmit power 16 dBm (868 MHz), 22 dBm (915 MHz), 19 dBm (470 MHz)
Sensitivity -137 dBm @300bps
Fashion OTAA / ABP – Class A
Sound Measurement
Measuring range 30 to 120 dBA, 35 to 120 dBC
Precision ± 3 dB (from 0 °C to +45 °C)
Resolution 0.1 dB
Frequency band 30 Hz to 8 kHz
Weighting Frequency: A and C (software)
Time: Fast
Units of measurement SPL, Leq, Lmax
Configuration and Functions
Configuration Via NFC (mobile application)
Button 1 Power / Reset button
LED indicator 1 status/alarm LED
Physical Characteristics
Food 2 × replaceable ER14505 2700 mAh batteries
Operating temperature -20°C to +60°C
Relative humidity ≤ 95% (non-condensing)
Protection index IP30
Dimensions 68 × 65 × 20.5 mm
Material / Color PC + ABS, white
Facility Flat surface (screws or 3M tape)

Interfaces and Connectors

The WS302 features a power/reset button, LED status or alarm indicator, and is quickly set up via NFC from a mobile app.

Pack Contents

  • 1 × Milesight WS302 Noise Sensor
  • 2 × ER14505 2700 mAh Batteries
  • 1 × Mounting kit (adhesive + screws)
  • 1 × Quick Installation Guide