The correct installation of electromagnetic flowmeter scale is of great significance

Abstract: the electromagnetic flowmeter installation scale is significant information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Electromagnetic flowmeter in industry has held the dominant position of the flow measurement, only the correct installation and use, in order to guarantee the life and precision of the instrument. And the correct installation of electromagnetic flowmeter, to improve its measuring precision and prolongs the service life of flowmeter has the long term. More flow meter manufacturers choose model price quote you are welcome to inquire, the following is the correct installation of electromagnetic flowmeter scale is of great significance to the article details. Electromagnetic flowmeter in industry has held the dominant position of the flow measurement, only the correct installation and use, in order to guarantee the life and precision of the instrument. And the correct installation of electromagnetic flowmeter, to improve its measuring precision and prolongs the service life of flowmeter has the long-term significance. How can it be the correct installation of the electromagnetic flowmeter zero error? 1, straight pipe required 3 d5d ( D for pipe diameter) , all types of valves, elbow in front, after you install the instrument, enough to make sure there is a straight pipe, is in line with the general principles for flow patterndistribution pipe installation as tea is inevitable, reducer, flowmeter, should be put before the pipeline, 10 d, all kinds of valve 90 & deg; 5 d bend, straight tee the general requirements of the pipe diameter. 2, installation position and direction of the sensor is installed vertically zui as the ideal, but must pay attention to the fluid flow. Must be horizontal axis horizontal electrodes. As an axis vertical electrode, gas in upper electrode simple dirt and impact contact electrode, electrode includes the following scale, easy to set the fluid, the surface errors such as this. Location is liquid, at any time, at zero measuring tube. In order to prevent the illusion caused by program, you need to select measuring liquid catheter. The design of the pipeline, it is necessary to make sure that you don't create bubbles, air bubble liquid flowmeter, therefore, in order to prevent the throttle valve to reduce the effect of pressure in the pipeline, upstream of the valve you need to install it. In order to avoid the measurement error of sensors around the electromagnetic interference ( For example, high power motor, transformer, etc. ) It is impossible to have. 3, grounding potential electromagnetic flowmeter to measure fluid circuit as the determination of zero potential, most of the opportunity, through point grounding of the electrical connection in the sensor output signal and the current body of liquid measurement, the halfway point of the grounding potential input converter. In addition, the output signal of electromagnetic flowmeter sensor, the velocity of 2. 5? 8. 0 mv full scale is very small, only very small, the output is slight interference, there are only a few millivolts, affect the accuracy of the meter. In order to reduce the electrical interference, in order to ensure the normal operation of the electromagnetic flowmeter, electromagnetic flowmeter on the ground, you should pay attention to the following points. A, tube sensor, shell, shielded wire, converter and secondary instrument measurement must be grounded. B, the sensor must be grounded to an independent converter, absolutely, the resistance of motor is connected to the ground, process piping, must be less than or equal to 10 & Omega; 。 C, in the field of converter grounding, shielding equipment control room above ground multiterminal the secondary side of the ground, will go to don't need to avoid introducing various interference [ 1] The possibility of. D, sensors installed in a metal tube, the sensor can ground connection, depending on the manufacturer's requirements, the pipe flange side to form a reliable ground loop. The ground equipment, it must be a separate grounding, grounding line and other electrical equipment connected together is not allowed. 4 a and to eliminate, piping flange and fracture, installation flow timing should tilt or correction of the pipeline, and the installation of the distance deviation between two flanges. If the installation on the long overhead lines, flow meter between the two flanges should have the bearing support line, prevent pipeline vibration stress. B, eliminate pipe welding slag in the foreign bodies, etc. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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