Several points should be paid attention to in the use of turbine flow meter

Abstract: The information on several points that should be paid attention to in the use of turbine flowmeters is provided by excellent flowmeter and flowmeter manufacturers. The technical specialist of Weinan and Shunda flowmeter manufacturers introduced the turbine flow sensor and display instrument to form a turbine flowmeter. The sensor has the characteristics of high precision, good repeatability, long life and simple operation. Can be widely used in petroleum, chemical industry, metallurgy, papermaking. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the details of the articles that should be paid attention to in the use of turbine flowmeters. The technical specialist of the flow meter manufacturer introduced the turbine flow sensor and the display instrument to form the turbine flow meter. The sensor has the characteristics of high precision, good repeatability, long life and simple operation. It can be widely used in petroleum, chemical, metallurgy, papermaking and other industries to measure the instantaneous volume flow and total volume of liquids. The following technologies remind users to pay attention to the following points in the use of turbine flowmeters: 1: The power cord of the transmitter adopts a metal shielded wire, and the grounding should be good and reliable. The power supply is DC 24V, 650Ωimpedance. 2: The transmitter should be installed horizontally, avoid vertical installation, and ensure that there are suitable straight pipe sections before and after it, generally 10D in the front and 5D in the rear. 3: Ensure that the flow direction of the fluid is consistent with the direction of the arrow on the instrument shell, and must not be installed in reverse. 4: The measured medium must not corrode the turbine, especially the bearing, otherwise measures should be taken. 5: Pay attention not to collide with the magnetic induction part. 6. The installation of the instrument adopts flange connection, threaded connection and clamping type; 7. During installation, the liquid flow direction should be consistent with the direction of the arrow indicating the flow direction on the sensor shell, and the upstream straight pipe section should be≥10DN, the downstream straight pipe section should be≥5DN (DN is the inner diameter of the pipe). 8. The sensor should be kept away from the external magnetic field. If it cannot be avoided, necessary measures should be taken; 9. In order not to affect the normal transportation of liquid during maintenance, bypass pipes should be installed outside the straight pipe sections at both ends of the sensor; 10. When the sensor is installed in the open air , please do a good job of waterproofing the amplifier plug; 11. For the connection between the sensor and the display instrument, the connection method should be selected according to the power supply of the amplifier.“Instructions for use”At the same time, users are reminded to maintain and maintain regularly to ensure the normal and accurate operation of the turbine flowmeter. 1. If it is a newly purchased liquid turbine flowmeter (within half a year), if the failure of the flowmeter itself is eliminated, it is recommended to check whether there is a strong magnetic field around and whether the fluid is stable (instability can be installed with a rectifier). 2. If it is a liquid turbine flowmeter for more than half a year, or the measured medium is not clean or corrosive, the bearing may be worn, and a filter should be installed upstream of the flowmeter to replace the internal impeller of the turbine flowmeter. And it needs to be re-calibrated, because the repeatability of the turbine flowmeter generally cannot maintain the factory characteristics after half a year. 3. The uneven distribution of flow velocity and the existence of secondary flow in the pipe are important factors affecting the turbine. Therefore, it is necessary to ensure that the front and rear straight pipe sections are 10D upstream and 5D downstream. In order to eliminate the secondary flow, a rectifier should be installed. 4. The turbine has high requirements on the cleanliness of the fluid. Installing a filter in front of the flowmeter can ensure the cleanliness of the fluid. 5. In order to ensure that the fluid is single-phase, if necessary, an air eliminator should be installed upstream of the flow meter. For liquids that are easy to gasify, a certain back pressure should be guaranteed downstream of the flow meter. The size of the back pressure can be taken from the flow sensor under the maximum flow rate. 2 times the pressure plus 1.2 times the vapor pressure of the liquid to be measured at the highest temperature. Flowmeter manufacturers insist“Technology, Innovation, Quality, Service”development policy, continue to uphold“Build an industrial aircraft carrier and contribute to the national economy”The purpose of the company is to actively participate in the market competition with high-quality products, preferential prices and excellent services, and sincerely cooperate with friends from all walks of life, new and old customers to create brilliance together. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Several points that should be paid attention to in the use of turbine flow meter'

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