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Microelectronics Packaging and Material

Sound Level Meter

Purpose

Material Characterization Centre

SV 971A is a class 1 sound level meter fitted a microphone offering wide range measurements and long-term stability of sensitivity. The 1/1 and 1/3 octave functions provides real-time analysis at low and high frequencies.

Sound level meter with digital display and mobile app showing real-time decibel readings

Capability

SV 971A is a class 1 sound level meter fitted a microphone offering wide range measurements and long-term stability of sensitivity. The 1/1 and 1/3 octave functions provides  real-time analysis at low and high frequencies. The Bluetooth interface enabling current results to be previewed on a smartphone or tablet as well as controlling the measurement Start / Stop and Markers.

Specifications

  • Detector Resolution : 0.1 dB

  • Linear Operating Range : 27 dBA RMS - 140 dBA Peak

  • Dynamic Range : 20 dBA RMS - 40 dBA Peak

  • Frequency Range : 5 Hz - 20 kHz (+/- 3 dB)

  • Octave Analysis : 1/1 Octave and 1/3 Octave

  • Communication Interfaces : USB 2.0, Bluetooth® 5.2

  • Acoustic Calibrator : Class 1, 4 dB / 114 dB at 1 kHz

Applications

The SV 971A is equipped to handle a broad spectrum of noise measurement tasks, making it suitable for:

  • Occupational noise measurements

  • Environmental noise monitoring

  • Sound insulation measurements in building acoustic materials

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