Velocity of Sound Switches
For the direct measurement of the velocity of sound in air using a pair of microphones and an electronic timer able to measure to 1ms (IPC-4269-W). Two independent electronic switch circuits start the timer when a pulse of sound is received by the built in microphone and stop it when the sound reaches the second microphone placed a known distance from the first. A 10m lead, fitted with 4mm plugs, is supplied. Timer connections are made via 4mm colour coded sockets on the top panel. Supplied with instructions and microphone, but without battery or timer.
Description: Velocity of Sound Switches
Part Number: IPC-4269-W
Electrical Supply: 9V Battery, type PP3
Dimensions: Control unit: 75 x 100 x 40mm, Microphone: 55 x 110 x 22mm