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Have you observed eight common causes of errors in electromagnetic flowmeters?

(Summary description)  Everyone should be familiar with electromagnetic flowmeters, but things that seem quite simple, one circle at a time, in fact, there are many mysteries in it, and problems often occur. Once a problem occurs, it is actually quite troublesome, right Today, we will analyze how to deal with problems when we encounter problems in the field.

Have you observed eight common causes of errors in electromagnetic flowmeters?

(Summary description)  Everyone should be familiar with electromagnetic flowmeters, but things that seem quite simple, one circle at a time, in fact, there are many mysteries in it, and problems often occur. Once a problem occurs, it is actually quite troublesome, right Today, we will analyze how to deal with problems when we encounter problems in the field.

Information

  Everyone should be familiar with electromagnetic flowmeters, but things that seem quite simple, one circle at a time, in fact, there are many mysteries in it, and problems often occur. Once a problem occurs, it is actually quite troublesome, right Today, we will analyze how to deal with problems when we encounter problems in the field.

  A 1 Bubbles in liquid to be tested

  This is a common phenomenon. It can be caused by the external liquid or the internal liquid dissolving, but the electromagnetic flowmeter can't distinguish the liquid or the air bubble, so it will produce an error when it is calculated together.

  1. As shown in the figure above, it is not easy to install at the highest point of the pipeline, change the installation position

  2. If the installation position is not easy to replace, you can install a gas collector upstream of the flow meter and vent it regularly.

  A 2 The liquid to be tested is not full

  It can be said that a non-full tube is an extreme case containing air bubbles. The liquid in the tube is not full, and the top contains a large number of air bubbles. If the liquid has not passed the electrode, the measurement result will be greatly reduced. This is a mistake in engineering design.

  Figure 2 is the installation diagram for the correct installation of the electromagnetic flowmeter. Keep in mind that it is correct.

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