What are the monitoring instruments used in the water treatment process?

The task of detection is to convert useful information in natural or artificial systems into observable physical quantities that have an exact correspondence with them, and then use sensing elements to transform the physical quantities into electronic instruments that are easy to process, display, transmit, and further utilize, that is, to implement the traditional concept of non electric measurement technology, and to complete the integrated body of all parts of this non electric measurement process called instruments and meters.

Water treatment engineering belongs to the process industry, and the commonly used detection instruments in the process industry, such as temperature, pressure, pressure difference, flow rate, flow velocity, liquid level, water level, etc., are almost all applicable to water treatment engineering. In addition, water treatment engineering also requires many specialized monitoring instruments and meters, especially online water quality monitoring and analysis instruments. Not only do they need to monitor water environment and sewage discharge, but they also need to prevent and control water pollution and engineering restoration, such as the production of water with five conventional parameters《pHDissolved oxygen (DO), turbidity particle concentration (SS), conductivity, and water temperature detectors, online chemical oxygen demand (COD), biochemical oxygen demand (BOD), nitrogen and nitrogen (NH3-N), nitrate nitrogen (N03-N), total phosphorus (TP), total nitrogen (TN), total organic carbon (TOC) and other analyzers, as well as more types of detection instruments specifically serving water treatment projects, such as sewage flow meters, clay parameter (concentration, gas boundary, sedimentation) detectors, coagulation/flocculation effect detectors, etc. The measurement principles used by various instruments also involve many disciplines, including physics, chemistry (including electrochemistry and biochemistry), physical chemistry, mathematics, microbiology, botany, soil science, tri state science, bionics, toxicology, etc. The successful production and formation of instruments and meters for products are also the result of the integration of various modern high-tech fields such as microelectronics, micromechanics, network technology, information technology, and control technology. In short, engineers engaged in the research and development, production, use, maintenance, and other related work of water treatment and air measurement technology equipment need to master a considerable amount of professional knowledge in order to adapt to the rapidly changing modern development needs of the water industry.