China Wholesale Measuring Hearing Factories – LMEC-21 Vibrating String Experiment(string sound meter) – Labor
China Wholesale Measuring Hearing Factories – LMEC-21 Vibrating String Experiment(string sound meter) – Labor Detail:
Main Experiments
1. The relationship between string length, linear density, tension and standing wave frequency is studied;
2. The propagation velocity of wave is measured when the string vibrates;
3. Inquiry experiment: the relationship between vibration and sound; 4. Innovation and research experiment: Research on the electrical mechanical conversion efficiency of standing wave vibration system.
Main technical parameters
Description |
Specifications |
Electromagnetic induction sensor probe sensitivity | ≥ 30db |
Tension | 0.98 to 49n adjustable |
Minimum step value | 0.98n |
Steel string length | 700mm continuously adjustable |
Signal source | |
Frequency band | Band i: 15 ~ 200hz, band ii: 100 ~ 2000hz |
Frequency measurement accuracy | ±0.2% |
Amplitude | Adjustable from 0 to 10vp-p |
Dual trace oscilloscope | Self-prepared |
Product detail pictures:

Related Product Guide:
Persisting in "High quality, Prompt Delivery, Aggressive Price", we have established long-term cooperation with clientele from both equally overseas and domestically and get new and old clients' higher comments for China Wholesale Measuring Hearing Factories – LMEC-21 Vibrating String Experiment(string sound meter) – Labor , The product will supply to all over the world, such as: Sheffield, Albania, Pretoria, Only for accomplishing the good-quality product to meet customer's demand, all of our products have been strictly inspected before shipment. We always think about the question on the side of the customers, because you win, we win!

After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.

Write your message here and send it to us