... IF, S, I, PeakFrequency Range20 Hz ~ 12.5 kHzMeas. Upper Range>130 dBSelf—generated Noise< 30 dBA ... L95, SDNOYESIntegral TimeNOManual, 10 s, 1 m, 5m, 10 m, 20 m, 30 m, 1 h, 2 h, 4 h ... , 8 h, 12 h, 16 h,24h Manual, 10 s, 1 m, 5 m, 10 m ... , 20 m ... , 30 m, 1 h, 2 h, 4 h ...