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Integrating sound level meter / class 1 / data logging
820 Larson Davis


  • Type:


  • Precision class:

    class 1

  • Other characteristics:

    data logging

  • Noise level:

    Min.: 20 dB

    Max.: 190 dB


There exists a need to select an instrument that will do just what you need it to do. The 820 was designed with this in mind. The Model 820 is the perfect environmental noise analyzer, maintaining all of the features of the 812 but with added memory, modem capability, daily and exceedance histories.

The 1/2" condenser microphones used with our Model 820 allow for a wider dynamic range and greater level of accuracy. The Models 812 and 820 meet the IEC and ANSI requirements for Type 1, Precision Integrating Sound Level Meters.

Fundamental to each of these instruments is an integrating sound level meter. Each features true RMS and dual Peak detectors that operate simultaneously. Each has Slow, Fast, and Impulse detector rates. Each has A and C frequency weighting filters.


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