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Eisco™ Doppler Effect Demonstration Apparatus

Load batteries, swing the device in a full circular motion experience the doppler effect first hand. The EISCO Doppler Effect Demonstration Apparatus is the perfect demonstration of the Doppler effect in a classroom.

Supplier:  Eisco™ DEF2013

Catalog No. S12907

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  • The buzzer is 92dB while standing still, but changes frequency when spun
  • Buzzer housing has a simple on/off switch and is constructed of rugged ABS plastic
  • Nylon cord is 2 ft. 8 in. attached to a rugged ABS handle 8.5 in. long, 1 in. dia.)
  • Demo comes with a 9 V battery installed


ABS Plastic
9V battery (installed)


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