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Why is it important to have electromagnetic flowmeter scale ground

by:Sincerity     2020-10-20
Abstract: why it is important to electromagnetic flowmeter scale grounding information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Intelligent electromagnetic flowmeter is based on a standard manufacturing system and the development of changzhou feng instrument its advanced design idea ensures high precision and high reliability of the product, compared with the old electromagnetic flowmeter, it has high measurement precision, reliability and stability. More flow meter manufacturers choose model price quote you are welcome to inquire, here is why it is important to electromagnetic flowmeter scale grounding article details. Intelligent electromagnetic flowmeter is based on a standard manufacturing system and development, its advanced design concept for ensures high precision and high reliability of the product, compared with the old electromagnetic flowmeter, it has high measurement precision, high reliability, good stability, complete function, long life and other advantages. An important part of the electromagnetic flowmeter in the grounding part, talk about the importance of today. Because the potential electromagnetic flowmeter signal is small signal itself, encounter interference immediately rinse the normal signal. Grounding can avoid the potential of the produced fluid in pipe flushing, and measuring the zero electric potential zero and medium are the same, to avoid 'error. Is a ground loop, and then ground loop line. If they are with lining, grounding electrodes. Electromagnetic flowmeter signal is weak, only 2 in full range. 5 ~ 8 mv, flow rate is low, only a few microvolts, outside a slight interference will affect the accuracy of measurement, therefore, transmitter shell, shielded wire, measuring tube and pipe should be grounded in the transmitter, and to set up the ground alone, can in no way connected to the common ground of electric machine and appliances or fluctuation conduit road. Converter part has passed the grounding cable, so you are the ground again, in order to avoid ground potential and introduce different interference. How to choose the electromagnetic flowmeter grounding ring? At present, the electromagnetic flowmeter is mainly for the water supply enterprise specially designed water metering trade, has the waterproof, anti-corrosion, anti interference and the ability of the lightning protection. Electromagnetic flowmeter have no moving parts of the pipeline, unimpeded flow components, almost no additional pressure loss in the measurement. About grounding ring choice, do a simple introduce below. 1. Protection ring: lining F46 sensors, appropriate chooses protection grounding ring on the flange by screws, to protect the flanging lining is not damaged. 2. 1 cr18ni9ti grounding ring is made of stainless steel, special requirements when you order it can be shown separately. 3. Standard ground ring: about electrolytic corrosion protection in the plastics and internal and external walls are insulated pipeline cathodic protection, the sensor must be installed on both sides of grounding ring. 4. With neck protection ring: if the medium wear sex is stronger, should choose to take neck guard ring to protect lining. Liquid volume flow is measured with electromagnetic flowmeter, are not affected by the temperature of the liquid, the effects of parameters such as pressure, density, viscosity, so the need for correction or parameter compensation calculation. So the electromagnetic flowmeter is widely used in chemical, petroleum, metallurgy, chemical fiber, cement manufacturing, and other industrial production departments. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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