China Wholesale gravitational acceleration Factory – LMEC-16 Apparatus of Sound Velocity Measurement and Ultrasonic Ranging – Labor
Experiments
1. Measure the velocity of sound wave propagating in the air by the method of resonant interference.
2. Measure the velocity of sound wave propagating in the air by the method of phase comparison.
3. Measure the velocity of sound wave propagating in the air by the method of time difference.
4. Measure the distance of a barrier board by the method of reflection.
Parts and Specifications
|
Description |
Specifications |
| Sine wave signal generator | Frequency range: 30 ~ 50 khz. resolution: 1 hz |
| Ultrasonic transducer | Piezo-ceramic chip. oscillation frequency: 40.1 ± 0.4 khz |
| Vernier caliper | Range: 0 ~ 200 mm. accuracy: 0.02 mm |
| Experimental platform | Base board size 380 mm (l) × 160 mm (w) |
| Measurement accuracy | Sound velocity in air, error < 2% |
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