... IEC 61260 class 1 3.CE Cetification FEATURESA pocket real-time noise signal analyzerFFT analysis on noise or vibration90dB Level ... ; 10 Hz for graph17Main Parameters of Integrating MeasurementLxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak+, Cpeak-, LAFmax, LAFmin, LAFeqT, LASeqT ... hours continuously. 9 V external power supply is also acceptable35Dimensions310(H) × 90(W) × 38(D),mm36Weight0.5 kg (include ...