The SV 971A is a Class 1 Sound Level Meter and Sound Exposure Meter designed for professional noise measurements, offering a compact, lightweight form with a new wide-range microphone (120 dB) and Bluetooth® connectivity for mobile app integration. The device provides a wide LAeq measurement range (24–137 dB) and Peak up to 140 dB in a single range, ensuring accuracy and ease of use for both occupational and environmental applications.
Advanced features include RT60 and STIPA measurements, audio recording, and real-time frequency analysis, all supported by dedicated software and a mobile app. A full set of accessories and efficient power management further extend its versatility, making the SV 971A a reliable solution for health and safety professionals conducting comprehensive noise assessments and reporting.
A Class 1 Sound Level Meter is a precision instrument that complies with the IEC 61672-1:2013 standard and its European counterparts (such as BS EN 61672-1 and DIN EN 61672-1), ensuring strict performance requirements for linearity, frequency response, and temperature stability. These standards guarantee high accuracy and reliability, making Class 1 meters the preferred choice for professionals who require dependable sound level measurement in environments such as environmental monitoring, workplace safety, and building acoustics.
Class 1 standards define superior accuracy for demanding noise measurements
Real-time frequency analysis enhances sound measurement versatility.
Mobile connectivity streamlines advanced acoustic assessments.
Adherence to standards and proper calibration ensures reliable results.
Precision and compliance define measurement reliability.
Integrated firmware and software streamline sound data management.
Classroom acoustics are optimized through precise room parameter measurements.
Automatic calibration simplifies preparation and enhances measurement reliability.
Get all the details on the SV 971A’s full range of features, including advanced frequency weightings, LAeq and Peak measurement capabilities, and real-time frequency analysis. Download the product PDF now to see how the SV 971A can streamline your workplace noise evaluations and ensure compliance with health and safety standards.
Compliance with ISO, OSHA, MSHA, and ACGIH guidelines ensures reliable workplace noise assessments.
The SV 971A Class 1 Sound Level Meter meets IEC 61672 and ANSI/ASA S1.4 standards, providing the accuracy required for occupational noise measurements in line with global regulations. Equipped with a noise dose meter, it calculates noise dose and exposure, supporting industrial hygiene professionals in effective noise risk evaluations and hearing loss prevention.
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Compliance with ISO 16283 ensures accurate sound insulation assessments.
The SV 971A supports advanced sound insulation measurements in line with ISO 16283 standards, using new hardware and updated software for precise results. RT60 Reverberation Time and STIPA speech intelligibility assessments are integrated, enabling detailed evaluation of building acoustics. A dedicated mobile app streamlines the measurement process, making the SV 971A a versatile solution for professionals conducting sound insulation and acoustic quality studies.
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Accurate STIPA measurements ensure clear speech transmission in public address systems.
The SV 971A evaluates speech transmission indexes using the STIPA method, providing precise intelligibility assessments for public address systems in diverse environments. A dedicated mobile app streamlines measurement and reporting, while STIPA signals can be played through system loudspeakers or dedicated reference speakers to ensure reliable and repeatable results.
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Type 1 precision and wide measurement range support reliable environmental noise surveys.
The SV 971A complies with IEC 61672 for both Type 1 and Type 2 measurements, delivering the accuracy needed for environmental noise assessments and regulatory compliance. Advanced features such as real-time frequency analysis and mobile app integration enable professionals to conduct comprehensive environmental noise surveys, analyze data efficiently, and meet strict standards for noise monitoring and control.
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Discover the standards behind professional noise measurement.
See how a Class 1 sound level meter meets IEC 61672 accuracy requirements and why it’s essential for precise, compliant measurements.
Watch the video to learn more about Class 1 sound level meters.
Explore the advanced features of the SV 971A.
Find out how this compact, lightweight meter offers a 120 dB dynamic range microphone and Bluetooth® connectivity for mobile app integration.
Watch the video to see the SV 971A in action.
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Class 1 Sound Level Meter – SV 971A
| The kit includes the SV 971A Class 1 sound level meter • SV 18A detachable preamplifier • ACO SV 7152 omni-directional microphone (IEC 61094-4 compliant) • SA 22 windscreen • 32 GB microSD card • four AAA batteries • USB cable • USB drive with user manual • factory calibration certificate • 36-month warranty card upon registration. |
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SVANPC++_BA - Building Acoustic Module License The optional PC software module provides a very powerful extension to the mobile application with the advanced calculations of reverberation time and sound insulation. |
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SVANPC++EM - Environmental Module License The PC software module is designed for data post-processing from noise and vibration measurements. It provides all necessary functionalities for marking / removing / recalculation... |
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SF 971A_P2 - options package to SV 971A: RT60 and STIPA Firmware options package to SV 971A: RT60 reverberation time and STIPA. Both functions are supported by a mobile application for measurement of sound insulation in accordance... |
Class 1 Sound Level Meter – SV 971A
Applications
Hardware Features
Sound measurements features
