... C Sound Level Measuring Range50~143 dB10Frequency Weighting.Parallel (simultaneous) A, C, Z. Realized by digital filtering11Time WeightingParallel F, S, I, Peak C+, Peak C ... -12A/D Bits24 bits13Level Linearity Range>90 ... simultaneously complete all center frequencies and A, C, Z weighting.)21Statistical analysis FunctionStatistical analysis ...