... insulation resistance tester, LCR meter, stabilizer, voltage stabilizer, withstand voltage and current tester, withstand voltage tester, inductance meter, ground bund meter ... Sin,Triangle,Puls,Ramp·Signal Type: single,FM,AM,Sweep·Sweep Type: Linear,Log·Sweep Rate: ... Generator8 digit LED display (including 3 digits for voltage)Frequency and width displayed simultaneouslyOutput waveforms: sine, square ...