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1. Does the electromagnetic flowmeter need to undergo third-party verification before use?
Before leaving the factory, the manufacturer of the electromagnetic flowmeter will conduct a large-scale verification on the imitation Sakura factory calibration equipment, and only after passing the inspection can it be shipped. The calibration equipment of manufacturers can only be put into use after passing the acceptance of the national quality inspection department, and the national metrology department also conducts regular spot checks every year. So under normal circumstances, the inspection report issued by the manufacturer also has the effect of proving that the quality is qualified. When conducting trade settlement or major project acceptance, the owner usually proposes that the electromagnetic flowmeter needs to undergo third-party verification to check whether the products installed by the contractor are qualified products. So whether a third-party verification is needed or not depends mainly on the willingness of the property owner, and the relevant costs usually incurred are borne by whoever proposes it. The standard table on the manufacturers calibration device needs to be verified and corrected by a third-party every year.
2. How to improve the accuracy of plug-in electromagnetic flow meters?
1、 Accurate selection of electromagnetic flow meters; Firstly, it is necessary to achieve a reasonable selection of the diameter of the plug-in electromagnetic flowmeter sensor: the selection of this indicator will have a decisive impact on the flow velocity of the fluid in the pipeline, and will also have a significant impact on the output potential parameters. Therefore, in the process of sel
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2、 The reasonable installation of electromagnetic flowmeter firstly, from the perspective of pipeline installation requirements, the flow velocity distribution in the electrode plane state has begun to show certain differences compared to the initial verification data. The main indicator that causes a special flow velocity distribution during this process is the configuration level of the upstream pipeline connections of the sensor. If there are problems or defects in pipeline installation, it may cause significant displacement of the electromagnetic flowmeter during its normal use. At the same time, from the perspective of practical engineering applications, the installation of the front and rear straight pipe sections of the sensor needs to ensure t
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