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Speed of Sound Apparatus

Item # 97-6700

Regular price $159.00
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The Speed of Sound Apparatus determines the speed of sound easily by measuring the time taken for the sound to travel between two microphones.

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Additional Details

This easy-to-use apparatus for determining the speed of sound in air ties quantitative evidence to a conceptual definition of sound. The unit contains two sensitive microphones connected to a control circuity that will start and stop a millisecond timer. Alternatively, the outputs may be monitored on a storage or pc oscilloscope. The apparatus produces a sharp sound in line with the two microphones and then records the time taken for the sound to travel between them. The speed of sound apparatus is supplied with a 9V battery, a 6-meter connecting cable, and full instructions.

Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.

Resources

What’s Included

  • 1 x microphone control unit 
  • 1 x microphone slave unit 
  • 1 x 9 V PP3 Battery 
  • 1 x 6 m connecting cable

Features & Specs

Features 

  • Dedicated unit for a time of flight method to measure the speed of sound in air 
  • Little setup/configuration required 
  • Easy to understand and interpret method 
  • Versatility - demo using a timer for instant time delay read out, or extend to a lab activity using oscilloscope connections to see independent sound signals 

Specifications 

  • Dimensions: L x W x H: 100 x 110 x 65 mm 
  • Weight: 375g 
  • Input Voltage: 9V PP3 Battery

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