SVANTEK Class 1 Sound Level Meter SV 971A
The SV 971A is a Class 1 Sound Level Meter and Sound Exposure Meter designed for professional acoustic measurements. It features an omnidirectional, pre-polarised microphone, providing a 120 dB range from 17 dBA Leq to 140 dB Peak in a single span. The device maintains IEC 61672-1 linearity from 24–137 dB LAeq over 5 Hz to 20 kHz frequency range, covering acoustics, noise at work regulations, community noise, and environmental sound pressure levels. Built-in A, C, Z, and LF weightings, Fast, Slow, and Impulse time weightings, and IEC 61260-1-compliant octave filters allow this compact instrument to handle both low noise background monitoring and impulsive noise tasks.
Bluetooth® enables remote control and data review, while the 32 GB data logger stores high-rate time histories. The SV 971A provides up to 24 hours of battery life and maintains Class 1 accuracy from –10 °C to +50 °C and 10–90% RH, ensuring reliability in the field. Advanced functions—RT60, STIPA, audio recording, and real-time analysis—are managed by dedicated software and a mobile app. The meter is fully type approved to IEC 61672-1 Class 1. A wide range of accessories and a typical price of €2,500–€4,000 make the SV 971A a comprehensive and versatile solution for acoustic professionals.
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.
To keep that performance traceable, the meter should undergo annual ISO 17025-accredited calibration, perform routine field checks with a 94 dB or 114 dB /1 kHz acoustic calibrator whose results and timestamps are stored in the instrument’s log.
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.
Class 1 Sound Level Meter – SV 971A
Applications
Hardware Features
Sound measurements features
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