MAD-201C - Distortion Meter

Auto range and distortion measurement/Auto or hold function selectable/7 distortion range:0.1%~100%/Frequency:20Hz~20KHz continuously adjustable in 3 ranges/3 Sopt frequency:400Hz,1KHz,10KHz/12AC voltage ranges:1mvrms~300Vrms/Device of distortion measurement and comination of two single channel millivoltmeter/X axle and axle output enable observation of lissajou's figure