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History of Flowmeters
The concept of flow meters and flow measurement became known to people as early as a thousand years ago, particularly as water conservancy, farming and irrigation became important to human civilizations. Flow meters serve two purposes: the first is process control and check and the second is for improving product quality which reduces material costs and increases efficiency. Flow meters are frequently used in industries such as petrochemicals, pharmaceuticals, home energy, pulp and building and metallurgy. The development and use of flow meters has changed with time, but their requirement remains the same: precision and accuracy.
Ancient Civilizations
In ancient Egypt, people utilized weir rudiments to assess the flow of the Nile River. This provided an indication of whether the harvest would be favorable or unfavorable. In China, around 256 BC, the State of Qin implemented the Dujiangyan irrigation system as a way to control floods and provide water conservation. The infrastructure of this irrigation system is located on the Min River which is tributary of the Yangtze River. Before Dujiangyan irrigation system was implemented, water from the Min River would rush down the Min Mountains and abruptly reach the Chengdu Plain, causing an abrupt buildup of silt, leaving the area susceptible to flooding. The governor of the state of Qin and his son headed up the construction of the Dujiangyan irrigation system. It harnessed the power of the river by way