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CR822C Type 2 Integrating Sound Level Meter with Octave Band Filters

  • Type 2 to IEC 60651, IEC 60804 and ANSI S1.4
  • IEC 61672-1:2003 Class 2.
  • Simultaneous Leq, SPL, Lmax,  and Peak, Ln's.
  • "A", "C" and "Z" (flat from 10 Hz to 20 kHz ? 1.5 dB) frequency weightings on channel 1, "C" on channel 2 for simultaneous Peak measurements.
  • Octave band filters.
  • RMS "Fast" and "Slow" time weightings.
  • Clear graphical display with backlight.
  • Rugged cast aluminum case
  • Seven Measurement ranges, covering:
    • 25 to 140 dB(A), Peak 143 dB(C)
    • Octave Bands: 19 dB(Z) to 140 dB(Z)
  • Noise floors
  • Powered by two AA cell batteries.
  • Dimensions:
    • 11.8" x 2.9" x 0.9", 15.8 ounces
    • 300mm x 75mm x 25mm, 450g
  • Measurements stored for display or transfer to computer using the software provided.
Type 2 Octave Band Sound Level Meter

The CR822C has many applications but was specifically designed for the measurement of occupational noise. As required by the regulations, this is an integrating sound level meter of Type 2 specification. For work areas with very high noise levels the Octave Band filters give the ability to estimate the level at the ear with various hearing protectors - this calculation is carried out automatically by the software from a built in database of hearing protectors.

Despite all the functions, this instrument could hardly be quicker and easier to use. Just switch on, press the run key and wait for the averaged level to settle.

Deaf Defier Software

The Deaf Defier software and download cable are provided at no extra cost with the CR822C. Click here for more information.


Additional Documentation


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