... machine, printer(with rechargeable battery), microphone(TL14423), bracket, CD, fan cover, horologe screwdriver, briefcase Modal TL6288BMeasuring range ... SD,Ld,Ln,Ldn,1/1 frequency spectrumFilter characteristics1/1 frequency intervalcentre frequency: 31.5Hz,63Hz,125Hz,500Hz, ... microcomputer communication to print measured data and frequency spectrum histogramSound calibration TL6020/6020A sound level ...