Name: Sound Level Sensor - WS302-915M
Price: 70 USD
Availability: InStock

About this product

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

Key points:

The WS302 offers accurate sound level measurement with a measurement range of 30-120 dBA and a ±3 dB accuracy.
It supports different weighting methods (A-weighting and C-weighting) based on the scenario.
The sensor has a minimalistic modern design and can be easily configured via NFC.
It has a long battery life of up to 4 years and is compatible with LoRaWAN® gateways and network servers.

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
Operation
Configuration	NFC
Button	1 × Power/Reset Button
LED	1 × Status/Alarm Indicator
Physical Characteristics
Power Supply	2 × 2700 mAh ER14505 Li-SOCl Replaceable Batteries
Operating Temperature	-20°C to +60°C
Relative Humidity	≤95% (Non-condensing)
Ingress Protection	IP30
Dimension	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

Design
Battery	2 * 2700mAh 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)
NFC Enabled	Yes
IP Rating	IP30
Communication	LoRaWAN
Measuring Range
Measuring Range:	30 dBA ~ 120 dBA, 35 dBC ~ 120 dBC
Measurement Unit:	SPL Actual, Lea, Lmax
Frequency Weighting:	A and C Weighting (Software Switchable)
Time Weighting:	Fast Weighting