How does the electromagnetic flow meter measure the low temperature medium

Abstract: The information on how to measure low temperature medium by electromagnetic flow meter is provided by excellent flow meter and flow meter manufacturers. How does the electromagnetic flowmeter measure low temperature medium? When measuring low temperature medium, the transmitter is limited by two conveniences, one is the low temperature resistance of the material, and the other is the electrical insulation of the transmitter. For media above -20 degrees in general, such as frozen brine, usually the transmitter. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details of how electromagnetic flowmeters measure low temperature media. How does the electromagnetic flowmeter measure low temperature medium? The transmitter is limited by two conveniences, one is the low temperature resistance of the material, and the other is the electrical insulation of the transmitter. For medium above -20 degrees, such as frozen brine, usually the lining material of the transmitter can be used. However, the choice of PTFE material is that the thermal expansion and contraction of PTFE is more serious. It is easy to make the electrode leak. The main problem when measuring cryogenic media is the electrical insulation of the transmitter. When the measuring tube is filled with flowing low temperature medium, the phenomenon of condensation water droplets or condensation water frost easily occurs on the outer wall of the measuring tube and the transmitter. This will reduce the insulation resistance between the signal circuit, the excitation circuit and the housing, or even short-circuit. In this case, we can seal the case with resin or sealant. The method of filling transformer oil in the electromagnetic flowmeter shell is used to ensure the insulation, and the cavity inside the electromagnetic flowmeter shell can also be directly filled with resin to isolate the electrical part from the air. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'How to measure low temperature medium with electromagnetic flow meter'

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