0.5 level electromagnetic flowmeter

Electromagnetic flowmeter is currently widely used in petroleum, chemical, metallurgy, textile, paper, environmental protection, food and other industrial sectors and municipal management, water conservancy construction, river dredging and other fields. With the continuous development of the industrial level, our requirements for electromagnetic flowmeters are getting higher and higher. The electromagnetic flowmeter is required to have a longer service life, higher measurement accuracy, and better corrosion resistance.　　 Many small partners hope that the meters they use can achieve 100% accuracy and eliminate all errors, but in fact, this is impossible to achieve. In measurement, the degree of precision of any kind of measurement can only be relative, and it is impossible to achieve absolute accuracy. There will always be errors caused by various reasons. The accuracy grade is a way to describe the degree of precision of the instrument. The accuracy grades of industrial instruments in my country are: 0.005, 0.02, 0.05, 0.1, 0.2, 0.35, 0.4, 0.5, 1.0, 1.5, 2.5, 4.0, etc. The smaller the number of stages here, the higher the accuracy (accuracy). So how is the accuracy calculated, and what does the 0.5-level electromagnetic flowmeter mean? The absolute value of the difference between the measured value and the true value is compared with the true value. If the number in front of the obtained percentage is less than 0.5 and greater than 0.2, the general accuracy is Called 0.5 level. For example: the measured value is 100.5 or 99.5, the true value is 100, and the obtained percentage is 0.5%, so the accuracy is 0.5. But if the number in front of the percentage is less than or equal to 0.2, it is called 0.2-level accuracy.　　 Therefore, under normal circumstances, the 0.5-level electromagnetic flowmeter can already be applied to most industrial occasions, but there are still many small partners who blindly pursue accuracy and ignore other problems in the selection. For example, the installation of electromagnetic flowmeter and electromagnetic flowmeter installation place should avoid strong vibration and abnormal temperature changes. Therefore, when installing the electromagnetic flowmeter, avoid equipment with relatively strong electromagnetic fields, such as large motors, transformers, and inverters, as far as possible, and the electromagnetic flowmeter should be installed in an environment that is easy to install and maintain. Sufficient liquid to be measured in the pipeline is the primary condition when selecting the installation position of the sewage flowmeter. At the same time, the installation position is best to be selected at the place with relatively small flow pulse, and even the devices that have local resistance to elbows, valves, pumps, etc. ; When installing the electromagnetic flowmeter for measuring two-phase liquid, try to avoid the cut-off and easy-to-separate parts. The flow control valve of the electromagnetic flowmeter, especially the anticorrosive sewage flowmeter, should be installed in the pipe under test at the upstream end of the sensor, and the flow control valve should be installed in the pipe under test at the downstream end of the sensor, so that it is easy to make the flow control valve fully open during measurement. Status, easy to measure.　　 In fact, if the correct installation method can be selected, it is equivalent to increasing the accuracy of the electromagnetic flowmeter from other aspects. For example, it can prevent interference caused by vibration or transformer. At the same time, it can also avoid the dissatisfaction phenomenon caused by the wrong installation method, and make the measured flow rate and the actual flow rate have a large deviation... These are all methods that can improve the accuracy of the electromagnetic flowmeter.　　Through the above description, I believe that everyone has a certain understanding of the accuracy of the electromagnetic flowmeter, and at the same time realizes the importance of electromagnetic flowmeter installation. However, the specific installation still needs to be judged according to the on-site environment, and these tasks generally require professional technical engineers to complete. The editor here recommends an automation instrument manufacturer-Kaidi Sensing Technology Co., Ltd., which is a professional manufacturer of electromagnetic flowmeters. Their products have high precision, and at the same time, there are professional technical engineers in the company to provide technical services for everyone. Regarding the installation of the 0.5-level electromagnetic flowmeter, we can help you solve it.

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