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- Third octave bands for evaluating Specific Noise Sources in accordance with BS 4142 in the presence of substantial Residual Noise.
- Octave bands for specifying suitable hearing defenders in a Noise at Work Assessment.
- Real time octave and third octave band measurements.
- Full Class 1 integrating logging sound level meter capability.
- Leq, Lmax, Lmin, and Statistical Indices in all octave/third octave bands.
- Sub-channel for simultaneous measurement of two time/frequency weightings.
- Truly portable, lightweight and easy to use.
- Exceptionally large full-information display.
- Ability to autostore all third octave bands every 10 ms allowing a full time/energy/frequency analysis of complicated time-varying noise sources.
- Measures reverberation times in all third octave bands simultaneously when used with NA Version 3.0 Software.
- 4 alkaline C cells allow 8 hours continuous use (third octave analysis).
- Outdoor kit available.
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