Electromagnetic flowmeter full scale display reasons and solutions

Case introduction

1. Introduction

Electromagnetic flowmeter is one of the most widely used flowmeters in the field of industrial production. Its main features are accurate measurement, stable and reliable, and it is widely used for measuring various liquid flow rates. However, during use, electromagnetic flowmeters sometimes have full-scale display problems, which seriously affects their normal use, so they must be solved in time.

2. Reasons for full-scale display

1. Pipeline design

The usage conditions and installation location of the electromagnetic flowmeter are restricted by the pipeline design. If the pipeline design is unreasonable, the flow rate will be too fast or too slow, which will lead to inaccurate display of the flow meter and full-scale display problems.

2. Improper selection

Improper selection is also one of the reasons for the full-scale display of the electromagnetic flowmeter. When selecting a model, users tend to ignore factors such as the usage environment of the flow meter and the characteristics of the medium, resulting in inappropriate selection and inability to meet actual needs, resulting in inaccurate display.

3. Measure medium changes

During use, the medium measured by the flow meter may change. For example, small metal particles, impurities, etc. may cause local current short circuits, resulting in Full scale display. In addition, changes in medium temperature and pressure will also affect the use of the flow meter.

3. Solution

1. Increase the length of the measuring pipeline

If the unreasonable pipeline design causes the flow rate to be too fast or too slow, you can increase the length of the measuring pipeline or Add a flow modifier during installation to change the flow rate to solve the problem of full-scale display.

2. Re-select the appropriate electromagnetic flowmeter

In terms of type selection, the appropriate electromagnetic flowmeter should be selected based on the actual application requirements. At the same time, the characteristics of the medium must also be considered, and appropriate electrode materials, electrode shapes and other parameters must be selected according to the specific situation to ensure that the selected electromagnetic flowmeter can accurately measure.

3. Clean the flowmeter regularly

The full-scale display problem caused by changes in the medium can be solved by regular cleaning to ensure the cleanness of the measuring components and prevent the electromagnetic flowmeter and pipes from being damaged. Effect of accumulated impurities on measurement.

IV. Conclusion

During the use of electromagnetic flowmeters, full-scale display is a common problem. The reasons are both pipeline design and selection issues and medium changes. In order to solve this problem, corresponding measures should be taken based on the specific situation to ensure the accuracy and stability of the electromagnetic flowmeter.