... 3.CE Cetification FEATURESA pocket real-time noise signal analyzerFFT analysis on noise or vibration90dB Level Linearity RangeDifferent software could ... Class 1Filter type: Digital band-pass filterMeasuring Parameters: Lfmi, Lfmeq,1s, Lfmeq,T, Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak ... : 10 Hz~20 kHz25FFT analysis functionFFT analysis software for noise (S6291 -00404)Line Number: 200 lines on the ...