The Brief History of Flow Meters
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 have 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