Distortion Meter 20Hz-20kHz

Auto range and distortion measurement Auto or hold function selectable 7distortion ranges: 1%-100%Frequency: 20Hz~20KHz continuously adjustable in 3 ranges 3 spot frequency: 400Hz, 1KHz, 1GKHz 12 AC voltage range: ImvYms ~ 300VrmsDevice of distortion measurement and combination of two single channel MillivoltmeterXaxle and Y axle output enable observation of Lissajou's figure