TDM-1911 Automatic Distortion Meter 0.01%-30% Audio Signal Distortion Analyzer 110V~220V Description: TMD-1911 series automatic distortion tester to measure 400Hz or 1000Hz signal is small to 0.01% of distortion, while 20Hz AC signal relative to the level of 100KHz was measured as a measure of distortion, can be performed, such as radios, modulation check tape recorders and other audio products, the level of distortion and simultaneously two meter display, the distortion measure fundamental frequency suppression circuit having a wide range of the filter, measurements. Features: 1. Level and distortion together display with two ports accurately. 2. Lightweight, easy operation. 3. With wide range filter, can test accurately even impurities in signal. 4. Certification CE, ROHS Approved Specification: Item: TDM-1911 Distortion Meter Voltage: AC110V/AC220V±10% 50/60Hz Test Level Range: 100MV - 100V 7 Ranges Measuring Frequency: 400Hz±10% 1KHz±10% 2 Point Frequency Distortion Range: 0.01% - 30% 6 Full Scale Input Resistance: 100KΩ Dimensions: 283*264*155mm Weight: About 4KG