To ensure the measurement accuracy of the smart target flow meter, correct installation is very important

Abstract: In order to ensure the measurement accuracy of the intelligent target flow meter, the correct installation is very important. The information is provided by the excellent flow meter and flow meter manufacturers. To ensure the measurement accuracy of the smart target flowmeter, correct installation is very important. The installation requirements of the intelligent target flowmeter include: 1. The transmitter should be installed in a dry and ventilated place indoors. Avoid installing in a place where the ambient temperature is too high, and should not be subjected to strong force. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is to ensure the measurement accuracy of the smart target flowmeter. Correct installation is very important. Article details. To ensure the measurement accuracy of the smart target flowmeter, correct installation is very important. Among them, the installation requirements of the intelligent target flowmeter include: 1. The transmitter should be installed in a dry and ventilated place indoors. Avoid installing in places with high ambient temperature, should not be subjected to strong vibration, and try to avoid equipment with strong magnetic fields, such as large motors, transformers, etc. Avoid installing in places with corrosive gas. The installation site is convenient for maintenance. This is the environmental condition to ensure the normal operation of the transmitter. 2. In order to ensure that the measuring tube of the transmitter is filled with the measured medium, the transformer is generally installed vertically, and the flow direction is from bottom to top. Especially for liquid-solid two-phase flow, it must be installed vertically. If only horizontal installation is allowed on site, it must be ensured that the two electrodes are on the same horizontal plane. 3. Valves and bypasses should be installed at both ends of the transmitter. 4. The AC potential of several millivolts measured by the electrode of the target flow transmitter is based on the liquid potential in the transmitter. In order to stabilize the liquid potential and keep the equal potential between the transmitter and the fluid to ensure stable measurement, the transmitter casing and both ends of the metal pipe should be well grounded, and the converter casing should also be grounded. The grounding resistance cannot be greater than 10, and cannot be shared with the grounding wire of other electrical equipment. If it is not possible to ensure good contact between the transmitter housing and the metal pipes, use metal wires to connect them. And then reliable grounding. 5. In order to avoid interfering signals, the signal between the transmitter and the converter must be transmitted with shielded wires. It is not allowed to put the signal cable and the power cable in parallel in the same cable steel pipe. The length of the signal cable should generally not exceed 30m. 6. The installation site of the converter should avoid strong AC and DC magnetic fields and vibration, and the ambient temperature is—20-50℃, no corrosive gas, relative humidity not more than 80%. 7. In order to avoid the influence of the relative measurement of the flow rate, the flow control valve should be set downstream of the transmitter. For small-diameter transmitters, since the distance from the center of the electrode to the inlet end of the flowmeter is equivalent to several times the length of the diameter D, the upstream straight pipe may not be specified. However, for flowmeters with larger diameters, there should generally be a straight pipe section above 5D in the upstream, and generally no straight pipe section is required in the downstream. Other factors: 1. Environmental humidity The atmospheric humidity in the environment is also one of the problems affecting the use of the flowmeter. For example, high humidity will accelerate atmospheric corrosion and electrolytic corrosion and reduce electrical insulation, and low humidity will induce static electricity. Rapid changes in ambient or medium temperature can cause humidity problems such as condensation on the surface. 2. Ambient temperature Changes in ambient temperature will affect the electronic part of the flowmeter and the flow sensor part. For example, temperature changes can affect changes in sensor size, heat transfer through the flowmeter housing, changes in fluid density and viscosity, etc. When the ambient temperature affects the electronic components of the display instrument, the component parameters will be changed. The flow sensor and the secondary display instrument should be installed in different places, such as the secondary display instrument should be installed in the control room to ensure that the electronic components are not affected by temperature. It should be said that the influence of ambient temperature should not be one of the main influences of uncertainty when estimating the total uncertainty of flow measurement. 3. Electrical interference Power cables, motors and electrical switches will all generate electromagnetic interference. If relevant measures are not taken, it will become the cause of errors in flow measurement. 4. Safety The flowmeter should be selected in accordance with relevant specifications and standards to be suitable for use in explosive hazardous environments, and on-site requirements should be made in accordance with explosion-proof standards. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'To ensure the measurement accuracy of the smart target flow meter, correct installation is very important'

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