... PERFORMANCE SPECIFICATIONS Standard: Complies with IEC 61672 class 1 Freq. Range: 10 Hz ~ 16 ... 8h, 24h or 1 min~59 min Integrating Measurment Software (Basic): Lp, Leq, Lmax, Lmin, LAE, ... E ,Tm Statistical Analysis Software (S00101 available): Lp, Leq, Lmax, Lmin, L5, ... Oct Real-time Analysis Software (S00202 available): Filter character fulfils IEC 61260 class 1, filter center ...