Ultrasonic Apparatus Mini Set comprises transmitter receiver and slave transmitter with experiment manual-(ELS-241-535)

Ultrasonic Apparatus Set - Demonstrate the wave nature of sound at relatively short wavelength. Investigate reflection interference of sound waves etc. Transmit speech over microphone or set up a voice link with an FM radio. The equipment operates at a frequency of 40KHz giving a wavelength in air of approximately 8.3mm. Comprising: - Ultrasonic’s transmitter Ultrasonic receiver Ultrasonic slave transmitter Mini set with 2 Aluminium reflectors and perforated plate