Class 1 sound level meter SV 971A

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The SV 971A is a Class 1 Sound Level Meter and Sound Exposure Meter designed for professional use, recognized for its compact size, lightweight, and inclusion of advanced features like a new microphone with a large dynamic range of 120 dB and low-power Bluetooth® connectivity for mobile application integration. The 971 series offers a wide LAeq measurement range (24 to 137 dB linear measurement range, with a Peak of 140 dB) in a single range, ensuring accuracy and ease of use for professionals in the field. Additionally, the device adds new features like RT 60 and STIPA measurements for reverberation time and speech intelligibility, supported by a separate mobile application. Additionally, it includes a range of options and accessories to extend its capabilities, along with software support for comprehensive noise level analysis and reporting, catering to health and safety specialists’ needs. The SV 971A is equipped to handle a broad spectrum of noise measurement tasks, making it suitable for occupational noise measurements and basic environmental measurements, real-time frequency analysis, audio recording, and time-history logging, all within a device that emphasizes power efficiency and user convenience. Measurement standards like ISO, OSHA, MSHA, or ACGIH dictate the specifications required for sound level meters based on the International Electrotechnical Commission (IEC) or the American National Standards Institute (ANSI) standards, distinguishing between Class 1 and Class 2 meters. By understanding these measurement standards, one can determine the necessary instrument specifications for their specific application.