1.Automatic shift and distortion measurement function
2.Automatic or keep selecting function
3.Distortion measuring range: 0.1% -100% 7 files
4.Frequency range: continuously adjustable from 20Hz-20KHz 3 files
5.Fixed frequency: 400Hz,1KHz,10KHz 3 points
6.AC voltage measuring range: 1mV-300Vrms 12 files
7.More extensive rapid distortion of the signal measurements, the single needle automatic range millivoltmeter combination of instruments.

Distortion measurement
Measuring range: 0.1%-100%;Error:80dB
Residual distortion degree: <0.03%

AC voltage measurement
Measuring range: 1mVrms-300Vrms
Residual noise: Input resistance: 100Kohm +/-10%
Maximum input voltage: <400V

Supply voltage: 220V/110V+/-10%;50Hz/60Hz
Dimensions: 255×310×155mm
Weigh: 5.5Kg