Product details

Doppler source for TESS Acoustics

Doppler source for TESS Acoustics

Item no.: 13289-30

  • Description
  • Scope of Supply
  • Related Experiments
  • Downloads and Documents
  • Videos

Function and Applications

Acoustic source to demonstrate the Doppler effect.
Integrated loudspeaker, 2 sinus tones with different frequencies selectable (audible and ultrasound), volume tunable.


  • Compact, with integrated hook, thus can be mounted on a cart or spring
  • Tunable volume
  • 2 sinus tones with different frequencies selectable: audible for demonstration of the Doppler effect, and ultrasound for quantitative measurements of the frequency shift

Equipment and Technical Data

  • Selectable frequencies: 4,6 kHz (audible) und 19 kHz (ultrasound)
  • Volume tunable
  • Power supply: Monobloc battery 9 V
  • Dimensions: (90 x 65 x 28) mm
  • Weight (incl. battery): 115 g 
Device Name Item no. Qty
Battery 9 V 07405-00 1,00
Document     Filesize
1328930e.pdf Operating instructions, English 664.86 KB

The doppler effect

The doppler effect

Follow us on
Facebook YouTube
PHYWE - excellence in science
  • 0