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Octave Band Analyzer

Octave Band Analyzer

Real-time analyzers or octave-band analyzers are special sound level meters that divide noise into its frequency components. Electronic filter circuits are used to divide the sound or noise into individual frequency bands. Most octave-band filter sets provide filters with the following center frequencies: 31.5, 63, 125, 250, 500, 1,000, 2,000, 4,000, 8,000, and 16,000 Hertz (Hz). For a more detailed analysis, the spectrum is sometimes measured in one-third octave bands.

Real-time analyzers or octave-band analyzers are used to:
Help determine the adequacy of various types of frequency-dependant noise controls; Select hearing protectors because they can measure the amount of attenuation (how much a sound is weakened) offered by the protectors in select octave bands; Analyze the frequency content of noise.

If you need assistance selecting or configuring an octave band analyzer for your sound or noise measurement application please contact us at toll free 1.866.363.6634 or email us at sales@calright.com.

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