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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 microphones 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 the 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! 

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.

Type Approved
Type Approved
technologia MEMS
MEMS Microphone
class 1 sound level meter
Class 1 Sound Level Meter

Noise Monitoring Station

Catalogues

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.

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.

Sound Monitoring Device

Features

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.
SV307A Noise monitoring station

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.
SV307A Noise monitoring station

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!
SV307A Noise monitoring station

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.

Sound monitoring

Applications

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.
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noise monitoring

Noise monitor

Videos

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.

Noise monitor price

SV 307A – Noise monitoring station

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.

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Open list

SF 307A_3 - License for 1/1 and 1/3 octave to SV 307A

SF 307A_3 - License for 1/1 and 1/3 octave to SV 307A

The firmware function of 1/1 and 1/3 octave allows the determination of the influence of high or low frequencies on overall values and helps to identify noise sources.

SF 307A_15 - License of Audio Recording to SV 307A

SF 307A_15 - License of Audio Recording to SV 307A

The firmware option of Audio Recording to WAV. It is synchronized with a noise time-history and can be played back in the software enabling the noise sources recognition. Audio Recording can be triggered on threshold or time.

SvanNET_1A - Account for 1 station - 1 year

SvanNET_1A - Account for 1 station - 1 year

SvanNET Automatic Monitoring Services: Automatic control of 1 measurement point;







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    Noise Monitoring System

    Specification

    SV 307A – Noise monitoring station

    Applications

    Sound measurements
    Environmental noise

    Hardware Features

    Number of channels 1
    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

    Sound measurements features

    Standards Class 1: IEC 61672-1:2013, Class 1: IEC 61260-1:2014
    Type approvals PTB Type Approval
    Microphone type MEMS patented
    Preamplifier type Integrated
    Linear operating range to IEC 61672 30 dBA Leq÷128 dBA Peak
    Total measurement range 23 dBA Leq÷128 dBA Peak
    Internal noise less than 23 dBA Leq
    Frequency range 20 Hz ÷ 20 kHz
    Weighting filters A, B, C, Z, LF
    Time constants Slow, Fast, Impulse
    Profiles per channel 3
    Min logging step 100 ms
    Statistics Ln (L1-L99)
    Statistics in octaves or third octaves
    Noise directivity detection
    Audio recording option
    Audio streaming option
    1/1 octave option
    1/3 octave option

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