What type of flow meter is suitable for measuring wastewater _ Electromagnetic flow meter for wastewater

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I. Issues to Consider Before Choosing an Electromagnetic Flow Meter for Wastewater There are many customers who are unsure as to what type of flow meter should be used for measuring wastewater; therefore, we will explain how to select the appropriate model. First, it is necessary to take into account the characteristics of the wastewater: Characteristics of wastewater: 1. Wastewater is somewhat corrosive, and its pH level can be either acidic or alkaline. 2、There will be some magazines in the water, possibly some solid substances. We will consider this issue from the above two aspects: first, it is necessary to address the issue of corrosion prevention, and second, it is important to ensure that the solid substances in the wastewater do not affect the meters. II. Selection of electromagnetic flowmeters for wastewater Typically, there are three types of flowmeters used to measure liquids: ultrasonic flowmeters. These flowmeters measure the flow rate of water by utilizing the propagation of sound waves within the liquid; since it is the propagation of sound waves that is used for measurement, the presence of solid particles in the water will inevitably affect the transmission of these sound waves. Therefore, ultrasonic flowmeters are not very suitable for measuring wastewater. Liquid turbine flowmeters measure flow rate by means of an impeller located inside the meter; the flow rate is determined based on the frequency of rotation of this impeller. However, if there are impurities in the pipeline, the impeller will damage quickly, so this type of flowmeter is not suitable for use. Electromagnetic flowmeters, on the other hand, operate on the principle of Faraday’s law of electromagnetic induction to measure flow rate. The QTLD type of electromagnetic flowmeter complies with the standard JB/T9248-2015 “Electromagnetic Flowmeters”. It is an inductive instrument used to measure the volumetric flow rate of conductive media. While enabling on-site monitoring and display, it can also output standard current signals for recording, regulation, and control purposes, thereby facilitating automatic control and allowing for the remote transmission of signals. The part of this flow meter that comes into contact with the pipeline can be designed specially, and can be made of rubber, PTFE, ceramic, and so on. The perfluorine compound here is an excellent anti-corrosion material; it can withstand strong acids and strong bases, thus enabling the issue of corrosion caused by wastewater to be resolved.