SV 303 Class 1 Urban Noise Monitoring Terminal
The SV 303 is a state-of-the-art Noise Monitoring Terminal designed to revolutionise urban noise management in smart cities

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Meeting Class 1 standards as per IEC 61672-1:2013 and IEC 61260-1:2014, the SV 303 guarantees exceptional accuracy in noise measurement. Its extensive LAeq measurement range, from 30 to 130 dB, ensures comprehensive coverage of urban soundscapes, capturing everything from the quiet of nighttime to the bustling activity during the day. With its robust environmental resilience, the SV 303 operates effectively in temperatures from -20°C to 60°C and up to 95% humidity, making it suitable for diverse urban conditions.
The SV 303 is an affordable solution, making it ideal for multipoint noise monitoring across urban areas. By providing precise, real-time noise data, it enables city planners and policymakers to develop effective strategies to mitigate noise pollution, significantly improving the quality of life for residents. Its seamless integration with existing urban monitoring systems via USB and UART interfaces ensures adaptability and ease of deployment, establishing the SV 303 as an essential tool for creating quieter, healthier, and more livable cities.
Easy Integration with Existing Monitoring Systems:
Designed for seamless integration, the SV 303 can be easily added to existing urban monitoring infrastructures, such as those for air quality, dust, and weather. Its versatile interfaces, including USB and UART, allow it to be installed wherever there is a power source and communication network. This flexibility makes the SV 303 an invaluable addition to any city’s monitoring toolkit, enhancing overall environmental management capabilities.
The SV 303 is specifically designed to address the challenges of urban noise in smart cities. Complying with IEC 61672 standards, it provides accurate, real-time data on noise levels, empowering city planners and policymakers to develop effective strategies for noise mitigation. This compliance ensures the highest level of precision and reliability in noise measurement. With its capability for real-time noise mapping, the SV 303 facilitates immediate assessment and response to noise pollution, significantly improving public health and quality of life. Its robust design and reliable performance ensure it can operate seamlessly in diverse urban environments, making it an essential tool for modern city management.
SV 303 – Noise Monitoring Terminal Specification
Applications:
| Environmental noise |
Hardware Features
| Number of channels | 1 |
| Auto-calibration | |
| Remote system check | |
| Keyboard lock | |
| Remote communication | |
| Bluetooth | |
| Communication Interfaces | USB, UART |
| LED indicator | |
| Display | |
| Keyboard | 4 keys |
| Memory | internal 8GB |
| Battery type | Li-Ion |
| Operating time | 6-8 hours |
| Operating temperature range | -20 °C to 60 °C |
| Humidity range | up to 95 % RH |
| Weight | 1200 g |
| Size | 600 x 66mm |
Sound measurements features
| Standards | Class 1: IEC 61672-1:2013, Class 1: IEC 61260-1:2014 |
| Microphone type | MEMS patented |
| Preamplifier type | Integrated |
| Linear operating range to IEC 61672 | 30 dBA Leq÷130 dBA RMS |
| Total measurement range | 23 dBA Leq÷133 dBA Peak |
| Internal noise | less than 23 dBA RMS |
| 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 | |
| 1/1 octave | option |
| 1/3 octave | option |
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