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WS302 Sound Level Wireless Sensor

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Product code: WS302-915M

Order Me In, Once ordered this item will likely dispatch before the 25th of October 2025, call 1300 737 871 (NZ 0800 737 871) to confirm.

The WS302-915M is a wireless sound level LoRaWAN sensor.

  • 30 to 120 dBA Measurement Range.
  • Choose A-weighting or C-weighting based on scenarios. Usually, A-weighting is appropriate for quiet environments while C-weighting is for noisy environments.
  • Minimalistic and modern design that allows it to blend-in in different settings like offices and classrooms.

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$119.60 AUD + GST
 $131.56 AUD Inc. GST
Note: Requires a Gateway to utilise the IoT Cloud software
The WS302 is an advanced LoRaWAN Sensor for monitoring noise/sound level in decibels (dB) with ease.Support reporting of three sound level values (maximum sound level, sound pressure level, and equivalent continuous sound level) based on different weighting methods.Support multiple weighting measurements to suit different scenarios: A weighting, C weighting, fast weighting.
2 Year Warranty (1 Year Manufacturer Warranty + Bonus 1 Year Instrument Choice Warranty)
WS302-915M Features
- Support multiple weighting measurements to suit different scenarios: 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

Specifications

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
-137dBm at 300bps
Work Mode
OTAA/ABP Class A
Range
30 dBA to 120 dBA, 35 dBC to 120 dBC
Accuracy
+/- 3 dB (0 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
Configuration
NFC
Button
1x Power/Reset Button
LED
1x Status/Alarm Indicator
Power Supply
2x 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 to +60 C
Relative Humidity
less than 95% (Non-condensing)
Ingress Protection
IP30
Dimension
68 x 65 x 20.5 mm (2.68 x 2.56 x 0.81 in)
Material & Color
PC+ABS, White
Installation
On the flat surfaces with screws or 3M tapes

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Our Australian experts have access to a huge range of products from national and international suppliers.

If for any reason you have trouble using this form please email the following address and your enquiry will still receive a response from a scientist within 3 business hours: scientists@instrumentchoice.com.au