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Doppler Effect Demonstration Apparatus, 92dB buzzer, 0.8m tether

SKU DEF2013
Original price $49.99
Original price $49.99 - Original price $49.99
Original price $49.99
Current price $30.49
$30.49 - $30.49
Current price $30.49
  • The buzzer is 92 dB while standing still, when spun a student can easily hear the shift in frequency
  • Buzzer housing has a simple on/off switch and is constructed of rugged ABS plastic
  • Nylon cord is 2'8" attached to a rugged ABS handle 8.5in long, 1in diameter)
  • Demo comes with a 9V battery installed
In Stock - 14 Available
Expected to Ship Today
Original price $49.99
Original price $49.99 - Original price $49.99
Original price $49.99
Current price $30.49
$30.49 - $30.49
Current price $30.49
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The perfect demonstration of the Doppler effect in a classroom (with caution of course). Swing the Doppler effect apparatus and students will be able to hear the change in frequency