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How to solve the problem that the instantaneous flow of electromagnetic flowmeter is zero

How to solve the problem that the instantaneous flow of electromagnetic flowmeter is zero

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  • Time of issue:2015-12-25
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(Summary description)The electromagnetic flowmeter sometimes encounters "there is only a cumulative amount, and the instantaneous flow rate is always 0" during the operation of the electromagnetic flowmeter. I believe the user must be at a loss. Today, I will help you relieve your doubts.

How to solve the problem that the instantaneous flow of electromagnetic flowmeter is zero

(Summary description)The electromagnetic flowmeter sometimes encounters "there is only a cumulative amount, and the instantaneous flow rate is always 0" during the operation of the electromagnetic flowmeter. I believe the user must be at a loss. Today, I will help you relieve your doubts.

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2015-12-25
  • Views:
Information

The electromagnetic flowmeter sometimes encounters "there is only a cumulative amount, and the instantaneous flow rate is always 0" during the operation of the electromagnetic flowmeter. I believe the user must be at a loss. Today, I will help you relieve your doubts.

We first need to know what caused this situation?

1. The medium is not conductive;

2. There is flow in the pipeline but it is not full;

3. There is no flow in the electromagnetic flowmeter pipe;

4. The electrode is covered and not in contact with the liquid;

5. The flow rate is less than the lower limit of flow cutoff set in the meter head;

6. The parameter setting in the meter header is incorrect;

7. The sensor is damaged.

Now that we know what the reason is, how should we avoid this kind of problem now. When selecting and installing electromagnetic flowmeters, you need to pay attention to:

1. First clarify the measurement requirements of this unit. There are several measurement requirements that should be clarified, mainly including: measuring medium, flow rate, medium temperature ℃, medium pressure, installation form (flange type, clamping type), etc.

2. Prerequisites for selecting electromagnetic flowmeters

1) The measured medium must be a conductive liquid (that is, the measured fluid is required to have the lowest limit of conductivity);

2) The measured medium should not contain too much ferromagnetic medium or a lot of air bubbles.

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