Acoustic source to demonstrate the Doppler effect. Integrated loudspeaker, 2 sinus tones with different frequencies selectable (audible and ultrasound), volume tunable.
| Selectable frequencies | 4,6 kHz (audible) und 19 kHz (ultrasound) |
| Power supply | Monobloc battery 9 V |
| Weight (incl. battery) | 115 g |
All units adapted for 110V/60Hz. Contact us for volume pricing and grant assistance.