Split type electromagnetic flow meter scale sensor installation guide

Abstract: the split type electromagnetic flow meter scale sensor installation guide information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Split type electromagnetic flowmeter sensor is a kind of volume flow measuring instrument, the characteristics of split type electromagnetic flowmeter consists of sensor and flow converter of two parts. Is the main component of the measuring tube, electrode, excitation coil, iron core and magnetic yoke and shells. Pass. More flow meter manufacturers choose model price quote you are welcome to inquire, here is split type electromagnetic flow meter scale sensor installation guide for details. Split type electromagnetic flowmeter sensor is a kind of volume flow measuring instrument, the characteristics of split type electromagnetic flowmeter consists of sensor and flow converter of two parts. Is the main component of the measuring tube, electrode, excitation coil, iron core and magnetic yoke and shells. Sensor of measuring tube is a lining insulation of permeability alloys short tube. Is must be the electrical conductivity of a liquid or slurry flow body, be should not contain more ferromagnetic material flow or bubble, should according to the measurement of body temperature, pressure, corrosion and wear characteristics choose corresponding pressure levels, lining materials, electrode materials and instrument. In the process of measurement, it is not affected by the temperature of the measured medium, viscosity and density with conductivity ( In a certain range), The influence of. Just after liquid equipment calibration, it can used to measure the flow in the other conductive liquid, so the installation of sensor is particularly important, mainly do the some requirements; Preferred split type electromagnetic flowmeter sensor of straight pipe upstream and downstream of the installation points has certain requirements, otherwise it will affect the accuracy of measurement. If sensors installed upstream of point reducer, sensors upstream should be not less than 15 d straight pipe sections, such as the downstream straight pipe section should be not less than 5 d. If sensors installed upstream of point is gradually expanding, sensors upstream should be not less than 18 d straight pipe sections, such as the downstream straight pipe section should be not less than 5 d. If the upstream of sensor installation points 90 & deg; Bend or sub, sensors upstream should be not less than 20 d straight pipe sections, such as the downstream straight pipe section should be not less than 5 d. If the sensor installed upstream of point on the same plane has two 90 & deg; Elbow, sensor should not be less than 25 d upstream straight pipe sections, such as the downstream straight pipe section should be not less than 5 d. If the sensor installed upstream of point in different plane has two 90 & deg; Elbow, sensors upstream should be not less than 40 d straight pipe sections, such as the downstream straight pipe section should be not less than 5 d. Flow control valve or pressure regulating valve installed on the downstream side of the sensor 5 d as far as possible, if must be installed in the upstream of the sensor, the sensor should not be less than 50 d upstream straight pipe sections, such as the downstream straight pipe section should be not less than 5 d. Pay special attention to the sensor installed upstream of point relatively close if equipped with valve, switch valve and affect the service life of the sensor is great, very easy to cause * sexual damage to the sensor. Sensors to avoid the overhead of very long pipe installed on the sensor, so that over time, as the drop sensor is very easy to cause between the sensor and the flange seal leakage, if necessary when installation, must be set separately in the upstream and downstream of sensor 2 d pipe clamp device. Split type electromagnetic flowmeter installation attention split type electromagnetic flowmeter sensor should be installed vertically, and fluid flows from bottom to top, in order to meet the solid and liquid two is in a state of mixed. The reason is if there is solid in the medium ( Sand, gravel particles, etc. ) Prone to precipitation. Have fish and weeds in another line of fish swimming in the pipeline, will cause the flowmeter output swing; Hang back and forth near the electrode weeds can also cause the output of the meter is not stable. Set at the entrance of upstream flow meter metal screen blocking fish and weeds into the measuring tube. Split type electromagnetic flowmeter to prevent negative pressure pipe set improper operation will cause negative pressure sensor inside. Contraction after cooling, the pipe pressure is in danger of forming negative pressure. The negative pressure caused by the lining and metal vessel, cause leakage electrode. In the vicinity of a split type electromagnetic flowmeter with negative pressure to prevent valve, open the valve on atmospheric pressure, in order to prevent to produce negative pressure in the sensor. Split type electromagnetic flowmeter downstream attached to a vertical line, if use flow upstream of the valve to close or adjust the flow sensor, the sensor will form a negative pressure measuring tube. In order to prevent negative pressure, need to add back pressure or use downstream to adjust and close the flow valve. Split type electromagnetic flowmeter proper maintenance space, large diameter flowmeter are often installed in instrument well, for the sake of pipeline installation, wiring, inspection and maintenance convenience, need to have the appropriate space. For observation, connection and maintenance convenience, instrument installation should have a certain height from ground, in order to facilitate cleaning, installation. Let's talk about how to better use, production installation of LDG model split type electromagnetic flowmeter, correct installation flowmeter can have twice the result with half the effort, flow measurement is more accurate and reliable.

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