China Wholesale Spring Constant Factories – LMEC-19 Doppler Effect Experiment – Labor

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With a positive and progressive attitude to customer's curiosity, our organization repeatedly improves our products top quality to meet the wants of consumers and further focuses on safety, reliability, environmental necessities, and innovation of Giant Magnetoresistance Effect, Projectile, Para-Magnetism, We have a big inventory to fulfill our customer's requires and needs.

China Wholesale Spring Constant Factories – LMEC-19 Doppler Effect Experiment – Labor Detail:

Experiments
1. The resonant frequency of ultrasonic transducer;
2. Measuring Doppler effect
3. The velocity of sound is measured by Doppler effect.
Main technical parameters

Description	Specifications
Power signal source	Signal frequency: 20hz ~ 60 khz Minimum step value: 0.0011 hz Frequency accuracy: ±20ppm Output voltage: 1mv ~ 20vp-p Impedance 50 ohm
Stepping motor intelligent motion control system	Linear uniform motion 0.01 ~ 0.2m/s adjustable, positive and negative direction operation. with limit protection: Photoelectric threshold, travel switch limit
Doppler frequency shift	0 to ± 10hz
System frequency measurement accuracy	±0.02hz
Resolution of frequency measurement	0.01hz
Dual trace oscilloscope	Self-prepared

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