Application of electromagnetic flow meter scale in the water supply enterprise

Abstract: the application of electromagnetic flow meter scale in the water supply enterprise information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Electromagnetic flowmeter is based on Faraday's law of electromagnetic induction to measure volume flow meter, is only applicable to the conductive liquid flow measurement, output current and the instantaneous flow linear relationship, not by the fluid physical properties ( Temperature, pressure, density and viscosity) In the shadows. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the electromagnetic flow meter scale applications in water supply enterprise the article details. Electromagnetic flowmeter is based on Faraday's law of electromagnetic induction to measure volume flow meter, is only applicable to the conductive liquid flow measurement, output current and the instantaneous flow linear relationship, not by the fluid physical properties ( Temperature, pressure, density and viscosity) The influence, the cumulative flow by the pulse signal output. A wide range of electromagnetic flow meter to measure the same electromagnetic flowmeter can reach 1, 100, its diameter can be from 1 cm to 2 m above. In recent years, electromagnetic flowmeter with its high measuring accuracy, good stability, the advantages of the quick has been more and more widely used in water supply enterprises. 1 the application of electromagnetic flowmeter in water supply enterprises ( 1) Used as clearing water meter. Settlement meter is an important settlement tool of water supply enterprise economic income. Flow meter management program for electromagnetic flowmeter purchase ( Cost included in the installation cost) Unified filing for the record, the quality of the calibration report, installation ( 2 lock management: 1, the user 1 water department) Unified report, set the coefficient of the archive, use and check regularly. In monitoring of water data: large diameter can 24 hours of GPRS data transmission, real-time and set up the flow of abnormal alarm; Small diameter using mobile GSM timing acquisition, so as to realize the effective monitoring of the data. （ 2) Installed on the urban pipeline for area measurement. Area with table to measurement of the perimeter of the large pipe water supply, water recovery from this area, considering such as difference is too big, need to leak or check illegal situation. Through the area measurement, the total & other; Recovery & throughout; Decomposition, from local to overall themselves to grasp, provides the evaluation basis for the management by objectives. At present four suburb town huizhou tap water corporation network power tube diameter is larger, part for DN600 and DN800, large flow, the pipe is relatively new, leakage is not much, so we chose the model selection of the in measuring accuracy, high sensitivity, good stability and is used to measure the wide range of electromagnetic flowmeter. （ 3) Used in water plant water metering. Used in the measurement of waterworks water electromagnetic flowmeter is mainly for the production and management to provide effective basis. Installed in waterworks water electromagnetic flowmeter zui direct role is to provide real-time water, easy to automatic control, water purification coagulant dosage and chlorine computational medicine, chlorine consumption, power consumption, consumption for water purification processing and control the cost effectively and to provide real-time basis; On the other hand, when the water pump room normal boot, you can through the water meter display abnormal flow, timely reflect sheung shui pipeline tube or abnormal failure such as unit. Factory water flowmeter can participate in the urban pipeline scheduling with the factory water pressure, to ensure that the appropriate water supply pressure; Can also provide reference for the operation of the pump unit. Electromagnetic flowmeter, though less disturbance, measuring accuracy and stability are relatively well, but in order to more accurate measurement and long-term stability of the commonly used imported ultrasonic flowmeter with precision grade check regularly. We purchased a portable time difference ultrasonic flowmeter and the portable handheld ultrasonic flow measurement system ( With ultrasonic thickness meter) Regularly check the instrument error of measurement. After three or four years of actual use, with the accuracy grade of electromagnetic flowmeter and ultrasonic flowmeter measurement reading error is within 3%, basic can accept that. Electromagnetic flowmeter in the problems in the use of 2. 1 lightningproof settlement meter or area measuring electromagnetic flowmeter, in rural areas of relatively empty, especially in the thunderstorm weather cover larger area of guangdong, the lightning protection of electromagnetic flowmeter is a more serious test. After strict well grounding, power protection, installation of the electromagnetic flowmeter in open ground the probability of being struck by lightning or high. We four used in the measurement of regional traffic flow meter every year at least two damaged by lightning, and repair, can only buy new converter, the high cost. Other water usually use in the electromagnetic flow meter building inoue, do network and installation of lightning rod to lightning protection, the effect is very obvious, but the water department to solve the land use right, and the coordination with the surrounding environment planning issues, program is more complex. So zui is simple and effective way is to improve the lightning protection performance of flow meter itself, such as can not fundamentally solve, separation should be made for the internal circuit protection, so even if the lightning damage, can also decrease the cost of replacement. 2. 2 power supply problem due to the electromagnetic flowmeter to external power supply, causing outdoor installation is not convenient, also limit the use of electromagnetic flowmeter pipe network in the suburbs. In addition, the electromagnetic flowmeter do not bring their own power, once the electricity, will cause data loss is used as the settlement of a water meter flowmeter, such measurement and calculation of the blackout period lack water also puts forward a new problem, usually to discuss water supply enterprises and users are case handling, increase a lot of work. If electromagnetic flowmeter can bring their own power, can fundamentally solve this problem, will also promote the popularization and application in clearing water meter.

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