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1. What are the brands of electromagnetic flowmeter? Electromagnetic flowmeter is a widely used flow measurement instrument in the field of industrial automation, with a wide range of applications including chemical, petrochemical, power, water treatment, food, and other industries. There are many brands of electromagnetic flow meters in the market, some of which are highly praised for their excellent performance and stability. For example, common electromagnetic flow meter brands from the United States include KNKE, ABB, Swiss ENDRESS+HAISER, German KROHNE, etc. These brands of electromagnetic flow meters have the characteristics of high accuracy and good reliability, and have been widely used. The electromagnetic flowmeter of KNKE brand has a wide range of applications in the field of industrial automation. The electromagnetic flowmeter of KNKE brand adopts high-precision sensors and advanced digital signal processing technology, which has the advantages of high accuracy, good reliability, and strong anti-interference ability. In addition, KNKEs electromagnetic flow meters can be customized according to the needs of users to meet the demands of different industries. Of course, when choosing a brand of electromagnetic flowmeter, it is necessary to choose according to the actual situation. In addition to considering brand reputation and product quality, appropriate models and specifications should also be selected based on the requirements of the application scenario. In addition, it is also necessary to pay attention to the after-sales service and technical support of different brands to ensure timely resolution of problems that arise during use. Electromagnetic flowmeter is one of the indispensable instruments in t
2. How to troubleshoot when encountering a situation where the electromagnetic flowmeter has a full range of 21.5
When the electromagnetic flowmeter displays a full range of 21.5, it is necessary to first confirm whether the value is instantaneous flow or cumulative flow, and then gradually troubleshoot in the order of signal circuit, medium working condition, equipment body, and system configuration
1. Verify the range configuration and display type.
Confirm whether the 21.5 displayed on the instrument is the instantaneous flow value or the cumulative flow value. Accumulated flow overflow at full range is mostly a numerical cycle reset, while instantaneous flow overflow at full range is an abnormal over limit display2. Check the range setting parameters of the flowmeter to confirm whether the current set measurement upper limit matches the actual working conditions. If the actual instantaneous flow exceeds the set upper limit, the instrument will trigger a full range protection display
3. Refer to the fault code manual that comes with the instrument to confirm whether there is an alarm code for the corresponding over range. Some brands of instruments will label the cause of the fault in E-xx format.
2. Troubleshooting signal circuits and external interference 1 Check the stability of the e
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