Abstract: in the condition of electromagnetic flow meter
scale downtime maintenance several big key information produced by excellent flow meter, flow meter manufacturer to offer you the quotation.
in downtime when not in use, we have to respond to the electromagnetic flowmeter is scientific and reasonable maintenance and maintenance method.
In fact this.
More flow meter manufacturers choose model price quote you are welcome to inquire, here is in the electromagnetic flow meter scale maintenance downtime state several key article details.
Electromagnetic flowmeter in downtime when not in use, we have to respond to the electromagnetic flowmeter is scientific and reasonable maintenance and maintenance method.
In fact this is not the quality problem of the electromagnetic flowmeter itself exists.
Because the user does not operate according to the instruction methods in maintenance and maintenance.
So lead to the instrument measurement is not accurate, so to learn how to maintenance of instruments is crucial.
First, zero check and adjustment of the electromagnetic flowmeter maintenance electromagnetic flowmeter in operation before, after electrify must in the electromagnetic flow sensor with fluid under stationary state adjust the zero point.
Operation also will stop flow for zero check for conditions of use on a regular basis, especially on precipitation, easy pollution electrode, the cleaning liquid containing solid phase, at the beginning of the run should be checked more, to gain experience to determine the normal inspection cycle.
Ac excitation mode of electromagnetic flowmeter with rectangular wave excitation, are more likely to produce zero drift, so more attention should be paid to check and adjust.
Give an example of application of sediment failure error.
One is drilling cementing engineering, the total flow perfusion slurry is an important process parameters, often with high-pressure electromagnetic flowmeter.
Instrument intermittent use, with finish to wash after sensor tube, the rest of the time are hollow tubes.
Another is electrolytic cutting process on the test rig, saturated salt water flow is controlled by electromagnetic flowmeter, clearance after using a period found that traffic signal gradually weakened, 2 months after the signal is zero.
Clear stratification is back to normal immediately.
Second, how to prolong the life of electromagnetic flowmeter by first electromagnetic flowmeter installation shall meet the requirements of manufacturer instructions and related national standards requirements, otherwise life will not be too long, so it is important to note that installation.
To regularly check grounding system, including the grounding line, grounding, grounding terminals, such as whether contact is good, the grounding system will have a strong current or electromagnetic induction.
2, pay attention to the instrument of waterproof;
Wiring mouth, protection tube, seal joint, watchcase seal;
3, regularly check the lining of electromagnetic flowmeter, often use time, especially in the medium impurity fluid easily causing serious abrasion of the lining;
4, often should check the piping installation, such as whether there is leakage, pipeline vibration situation, the bolt is loose, the bracket is reliable;
5, anticorrosion and thermal insulation of flow meter should be inspected regularly.
Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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