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Noise Monitoring Station Class 1 SV 307A

SV307A noise monitoring station is an all-in-one environmental noise monitoring station based on a patented MEMS microphone technology covered by a lifetime warranty. The SV307A Noise monitoring station has been designed for permanent environmental noise monitoring in all weather conditions – it uses smart solutions to control the internal temperature and detect any hardware failures. The new housing is made of strong material that protects internal electronics: class 1 sound level meter with 4G and GPS modems. The measurement data includes noise levels, statistics, and spectra together with audio files that can be triggered on level or time. The advanced triggering provides also the possibility of noise prediction to alarm the user before certain noise levels are reached. For the remote monitoring applications, the SV 307A connects to the SvanNET Service, where all measurement data is accessible via a web interface. Moreover, SvanNET makes it possible to connect to SV 307A to listen to the live noise from the microphone!

Type Approved

MEMS Microphone

Class 1 Sound Level Meter

SV 307A Approved by PTB as Class 1 Sound Level Meter

In 2022, the Physikalisch-Technische Bundesanstalt (PTB) has granted the world’s first type approval to a Class 1 Sound Level Meter that uses a MEMS microphone for SV 307A Noise Monitor. This is an important turning point in the history of MEMS microphones in environmental noise monitoring.

Sound Monitoring Device

Class 1 Sound Level Meter Approval

The world’s first Noise Monitoring Station with MEMS microphone approved as Class 1 Sound Level Meter

In March 2022, the Physikalisch-Technische Bundesanstalt (PTB) granted the world’s first type of approval to a Noise Monitoring station with a MEMS microphone. The SV 307A received the certificate of conformance to the Class 1 Sound Level Meter specified by IEC 61672. It is an important turning point in the history of MEMS microphones in environmental noise monitoring.

All-in-one Noise Monitoring Terminal

made for environmental monitoring

The new version of the SV 307A has an improved external housing for operation in conditions of high sunlight exposure and low temperatures, a new high-speed 4G modem for remote monitoring, and an improved microphone in the MEMS technology with a lifetime warranty. The continuous environmental noise monitoring system can be powered by AC mains or solar panels and the large internal battery can power the system for 5 days.

Patented dual system check

environmental monitoring with smart solutions

The hardware addons for environmental monitoring include a multi-microphone array inside of an ½” microphone housing. Using such an array one can make a dynamic system check continuously based on real acoustic signal measured. In case the levels measured by the reference microphone and the measurement microphones differ by more than a particular threshold, the SV 307A system check triggers an alarm. Additionally, the inbuilt sound source producing the level of about 100 dBA at 1 kHz can be used for automated or manual system checks.

Noise, meteo, dust

connect the weather or dust monitor

The SV 307A can be integrated directly with dedicated weather monitoring module or dust monitor. Sound level meter measurement data are combined with all meteorological values such as wind speed, wind direction, rain, humidity, or dust particles PM2.5 or PM10 when external sensors are connected. Moreover, the advanced triggering system can use noise, weather, or dust parameters for alarm triggering!

Remote Monitoring Service

Noise and vibration measurement combined in one platform

The SV 307A includes the basic license for the SvanNET Remote Communication Service which can be upgraded to the Automatic Monitoring Services. The Automatic Service offers fully automated management of multi-point noise and building vibration measurement (peak particle velocity). Tools such as Automatic Files Download, Data Storage, Advanced Alarms, Data Sharing, and Reporting enable unattended noise and building vibration measurement. The functionality of SvanNET allows for group monitoring stations in Projects so that alarms and reports are defined for each Project separately. The data files are also grouped automatically by Project assignments.

Class 1 Sound Level Meter Approval

The world’s first Noise Monitoring Station with MEMS microphone approved as Class 1 Sound Level Meter

All-in-one Noise Monitoring Terminal

made for environmental monitoring

Patented dual system check

environmental monitoring with smart solutions

Noise, meteo, dust

connect the weather or dust monitor

Remote Monitoring Service

Noise and vibration measurement combined in one platform

SV 307A Noise Monitor

Learn more about the new features of SV 307A and its superior specifications conforming to class 1 sound level meter in accordance to IEC 61672 requirements. Find out more about smart environmental noise monitoring functions such as advanced triggering or audio streaming.

Download PDF

Application Note on Environmental Noise & Vibration Monitoring

See an example of the use of multi-point environmental noise and vibration monitoring in a building demolition project in London.

Download PDF

Sound monitoring

Environmental monitoring

Permanent noise monitoring

The SV 307A meets class 1 sound level meter specifications and has been designed for continuous, remote noise monitoring in all weather conditions. The remote monitoring is fully automatic, as SV 307A measures and stores noise levels, statistics, and spectra. The measurement time is synchronized with a GPS. Additionally, it can record triggered audio in a form of WAV files. The measurement data is stored in 32 GB internal memory and transferred via a 4G modem to the SvanNET Web Service, where data can be viewed and organized in the form of reports. The SV 307A uses a patented system check to continuously verify the microphone performance and triggers an alarm whenever the microphone failure is detected.

Noise monitor

Video: NEW SV 307A Noise Monitor

Discover unique features of the world's No 1 Noise Monitoring Station meeting class 1 sound level meter performance.

Video: It's here: All-in-one Noise Monitoring Station

Learn more about remote noise monitoring and the newest version of the all-in-one noise monitoring station.

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SV 307A – Noise monitoring station

The SV 307A is an integrated Noise Monitoring Terminal which means that the sound level meter has been integrated with a 4G modem and outdoor enclosure. The waterproof power supply is also provided for continuous operation in the field. Each SV 307A has its factory calibration certificate and 36-MONTHS WARRANTY CARD. The part of the kit is the new MEMS microphone with a life-time warranty.

SV 36 - Class 1 Sound Calibrator 94dB / 114dB @ 1kHz

Sound Calibrator Class 1, 94dB & 114dB at 1 kHz

SA 209 - Windscreen (130 mm) for SV 200 and SA 27x

Windscreen (130 mm) for SV 200 and SA 27x

SF 307A_P1 - License package (1/1 & 1/3 octave analysis options and audio events recording) for SV 307A

License package (1/1 & 1/3 octave analysis options and audio events recording) for SV 307A

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Noise Monitoring System

SV 307A – Noise monitoring station

Applications

Sound measurements

Environmental noise

Hardware Features

Number of channels

Auto-calibration

Remote system check

Keyboard lock

Remote communication

Bluetooth

GPS module

Communication Interfaces

4G, USB, RS232

LED indicator

Display

Keyboard

8 keys

Memory

uSD 32 GB

Battery type

Li-Ion

Operating time

5-6 days

Operating temperature range

-20 °C to 60 °C

Humidity range

up to 99 % RH

Weight

2200 g

Size

680 x 80 mm