Pocket real-time noise signal analyzer class 1 statistical, 1/1OCT,1/3 OCT analysis FFT, reverbration time measuring SPECIFICATIONS NoModelAWA62911NameReal Time Signal Analyzer2Fulfils StandardsIEC ... ~143 dB10Frequency Weighting.Parallel (simultaneous) A, C, Z. Realized by digital filtering11Time WeightingParallel F, S, I, Peak C+, Peak C-12A ...