Parameters
☆Resonant frequency of piezoelectric transducer :f=35KHz±3KHz;
☆Test media: air; measuring method: standing wave method, phase method.
Parameters of signal source
☆Output signal: Sinusoidal wave, frequency: 20~50KHz continuously adjustable, 5 LED digit display;
SV1 type sound speed measuring instrument: Measuring distance: S=0~300mm; resolution ratio: 0.01mm