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

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We continue to keep increasing and perfecting our solutions and service. At the same time, we operate actively to do research and enhancement for Voltmeter, Semiconductor Laser, Magnetoresistive Sensor, We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.

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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We've been convinced that with joint efforts, the enterprise between us will bring us mutual benefits. We are able to assure you product or service quality and aggressive cost for China Wholesale Spring Constant Factories – LMEC-19 Doppler Effect Experiment – Labor , The product will supply to all over the world, such as: Ghana, Thailand, Poland, All our staffs believe that: Quality builds today and service creates future. We know that good quality and the best service are the only way for us to achieve our customers and to achieve ourselves too. We welcome customers all over the word to contact us for future business relationships. Our products are the best. Once Selected, Perfect Forever!

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This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.