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

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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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In the past few years, our company absorbed and digested advanced technologies both at home and abroad. Meanwhile, our company staffs a team of experts devoted to the development of China Wholesale Spring Constant Factories – LMEC-19 Doppler Effect Experiment – Labor , The product will supply to all over the world, such as: Benin, Rio de Janeiro, Chile, So far our merchandise have been exported to east Europe, the Middle East, Southeast, Africa and South America etc. We have now 13years experienced sales and purchase in Isuzu parts at home and abroad and the ownership of the modernized electronic Isuzu parts checking systems. We honor our core principal of Honesty in business, priority in service and will do our best to provide our customers with high quality items and excellent service.

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With a positive attitude of regard the market, regard the custom, regard the science, the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.