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