SECURUS/Hardware/Noise level sensor

Sound-level sensors for noise monitoring

A sound-level sensor measures loudness at its location. Depending on the device, current, averaged and maximum levels are available. SECURUS shows them over time and reports configured breaches.

Milesight

WS302

Sound level sensor

Measures the sound level in dB, for classrooms, offices, libraries and stairwells.

Measuring range: 30–120 dBA, 35–120 dBC
Accuracy: ±3 dB
Frequency range: 30 Hz–8 kHz, A and C weighting
Values: current level, Leq, Lmax
Power supply: Battery, 2 × 2,700 mAh (ER14505)
Battery life: up to 5 years (10-min interval)
Protection rating: IP30

Technical datasheet (PDF)

Technical data according to the manufacturer's datasheet, battery life under the stated conditions. All devices shown transmit via LoRaWAN. In addition to these examples, we also use LoRaWAN devices from other manufacturers depending on requirements.

Define the measurement location and usage periods

Location and sound sources shape readings. Position the sensor for the question you want to investigate. Noise monitoring in shared spaces benefits from comparable locations and clearly defined time periods.

Relevant use cases

Noise level

FAQ

Sensor selection questions

Can the sensor listen to conversations?

No. The measurement described here provides sound levels, not audio recordings.

Which device is right for you?

We select the right device with you, integrate it into SECURUS and deliver it ready for use.

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