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Flowmeter Development History
Feb 02, 2018

Flowmeter development history

As early as 1738, the Swiss Daniel Bernoulli used differential pressure method to measure the water flow based on the first Bernoulli equation. The Italian G.B. Venturi study later measured the flow with a venturi and published the results in 1791.

In 1886, the American Hechel application of Venturi control into a practical measurement of water flow measurement device.

From the early to mid-20th century, the original measurement principle gradually matured. People no longer limited their ideas to the original measurement methods, but started a new exploration.

By the 1930s, there was another method of measuring the flow of sonic waves using a method of measuring the flow of liquid and gas by sonic waves. However, until the Second World War, no great progress was made. Until 1955, there was a Mark The advent of Sen flowmeters, used to measure the flow of aviation fuel.

After the 1960s, measuring instruments began to develop toward precision and miniaturization.

With the rapid development of integrated circuit technology, the ultrasonic (wave) flowmeter with phase-locked loop technology has also been widely used, and the microcomputer is widely used to further improve the capability of flow measurement, such as the application of laser Doppler velocimetry After the microcomputer, can handle the more complex signals.


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