Model 831 Manual Model 831 Specifications A-3
Sound Level Meter Specifications
FFT Specifications
Table A-3 FFT Specifications
Multiple Language Support
Field-upgradable firmware: keeps instrument current with the latest measurement features
Two-year limited warranty
RMS Time weighting: Slow, Fast or Impulse
Frequency Weightings A, C or Z
Peak detector Frequency weighting A, C or Z
Reference range: 0 dB Gain and Octave Band
Analysis Normal Range
Exchange rates: 3, 4, 5, or 6 dB with optional 831-IH
Sample rate: 51,200 Hz
Peak rise time s
Integration Method Linear or Exponential
Table A-2 Sound Level Meter Specifications
Frequency Span 100 Hz - 20 kHz in a 1-2-5 sequence
FFT Lines 400, 800, 1600, 3200, or 6400
Windowing Functions Hanning, Flat-Top, or Rectangular
Frequency Weighting A, C, or Z
Zoom Graphical
Units dB re 20 Pa
Output Magnitude
Table A-1 Model 831 Features
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