TDM-1911 Automatic Distortion Meter 0.01% - 30% Audio Distortion Meter
TDM-1911 high- precision audio speakers headphones signal detection automatic audio distortion tester. Distortion Range: 0.01% To 30% 6 Full Scale. Input Resistance: 100KΩ. Test Level Range: 100M V To 100V 7 Ranges.