Milesight LoRaWAN® Sound Level Sensor WS302

Designed to measure and monitor sound levels in various environments

Core Components

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Where to buy

Connect this hardware to Blynk in no time

Use a ready-made blueprint project, or a firmware example to build your own functionality.

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Firmware Example

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Channels

Connectivity

LoRaWAN

Applications

Industrial IoT

Smart Factory

Smart Buildings

Environmental Monitoring

Utilities and Metering

Construction

Healthcare

HVAC

Medical

Smart Home

About Product

WS302 is a LoRaWAN®-enabled sound level sensor that is designed to measure and monitor sound levels in various environments. Key features:

Accurate Sound Level Measurement
LED Alarm Indicator
1.5~4 Years Battery Life
Easy Configuration via NFC

Product details

Core Components:

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Accessories:

CPU:

Channels:

Memory:

Connectivity:

LoRaWAN

Programming Language:

Supported Blynk Tech:

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Applications:

Industrial IoT

Smart Factory

Smart Buildings

Environmental Monitoring

Utilities and Metering

Construction

Healthcare

HVAC

Medical

Smart Home

Features:

Support multiple weighting measurements to suit different scenes: A weighting, C weighting, fast weighting
Support measuring various kinds of values to judge the sound level accurately: actual value, equivalent continuous value, and max value
Equipped with an LED indicator to indicate threshold alarms
More than 4 years battery life
Built-in NFC for easy configuration
Compliant with standard LoRaWAN® gateways and network servers
Quick and easy management with Milesight IoT Cloud solution

Wireless Transmission:

Technology: LoRaWAN®
Frequency: CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power: 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity: -137 dBm @300bps
Mode: OTAA/ABP Class A

Measurement:

Range: 30 dBA to 120 dBA, 35 dBC to 120 dBC
Accuracy: ± 3 dB (0°C to +45°C)
Resolution: 0.1 dB
Frequency Range: 30 Hz to 8 kHz
Frequency Weighting: A and C Weighting (Software Switchable)
Time Weighting: Fast Weighting
Measurement Unit: SPL Actual, Leq, Lmax

Others:

Configuration: NFC
Button: 1 × Power/Reset Button
LED: 1 × Status/Alarm Indicator

Physical Characteristics:

Power Supply: 2 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries
Battery Life* (10 min interval): Over 4 Years (Fast time weighting disabled), Over 1.5 Years (Fast time weighting enabled)
Operating Temperature: -20°C to +60°C
Relative Humidity: ≤95% (Non-condensing)
Ingress Protection: IP30
Dimensions: 68 × 65 × 20.5 mm (2.68 × 2.56 × 0.81 in)
Material & Color: PC+ABS, White
Installation: On the flat surfaces with screws or 3M tapes