Abstract: in the condition of electromagnetic flow meter scale downtime maintenance several big key information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Electromagnetic flowmeter in downtime when not in use, we have to respond to the electromagnetic flowmeter is scientific and reasonable maintenance and maintenance method. 很多人发现在购买电磁流量计使用一段时间以后再次使用发现测量数据的不准确。 In fact this. More flow meter manufacturers choose model price quote you are welcome to inquire, here is in the electromagnetic flow meter scale maintenance downtime state several key article details. Electromagnetic flowmeter in downtime when not in use, we have to respond to the electromagnetic flowmeter is scientific and reasonable maintenance and maintenance method. 很多人发现在购买电磁流量计使用一段时间以后再次使用发现测量数据的不准确。 In fact this is not the quality problem of the electromagnetic flowmeter itself exists. Because the user does not operate according to the instruction methods in maintenance and maintenance. So lead to the instrument measurement is not accurate, so to learn how to maintenance of instruments is crucial. First, zero check and adjustment of the electromagnetic flowmeter maintenance electromagnetic flowmeter in operation before, after electrify must in the electromagnetic flow sensor with fluid under stationary state adjust the zero point. Operation also will stop flow for zero check for conditions of use on a regular basis, especially on precipitation, easy pollution electrode, the cleaning liquid containing solid phase, at the beginning of the run should be checked more, to gain experience to determine the normal inspection cycle. Ac excitation mode of electromagnetic flowmeter with rectangular wave excitation, are more likely to produce zero drift, so more attention should be paid to check and adjust. Give an example of application of sediment failure error. One is drilling cementing engineering, the total flow perfusion slurry is an important process parameters, often with high-pressure electromagnetic flowmeter. Instrument intermittent use, with finish to wash after sensor tube, the rest of the time are hollow tubes. 由于清洗不彻底测量管内壁残留水泥浆固化成薄层，近二个月积聚形成绝缘层包覆了整个电极表面，导致运行不正常到zui终不能工作。 Another is electrolytic cutting process on the test rig, saturated salt water flow is controlled by electromagnetic flowmeter, clearance after using a period found that traffic signal gradually weakened, 2 months after the signal is zero. 原因是电解切削过程中氧化铁沉积管壁形成短路所致。 Clear stratification is back to normal immediately. Second, how to prolong the life of electromagnetic flowmeter by first electromagnetic flowmeter installation shall meet the requirements of manufacturer instructions and related national standards requirements, otherwise life will not be too long, so it is important to note that installation. To regularly check grounding system, including the grounding line, grounding, grounding terminals, such as whether contact is good, the grounding system will have a strong current or electromagnetic induction. 2, pay attention to the instrument of waterproof; Wiring mouth, protection tube, seal joint, watchcase seal; 3, regularly check the lining of electromagnetic flowmeter, often use time, especially in the medium impurity fluid easily causing serious abrasion of the lining; 4, often should check the piping installation, such as whether there is leakage, pipeline vibration situation, the bolt is loose, the bracket is reliable; 5, anticorrosion and thermal insulation of flow meter should be inspected regularly. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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Abstract: the implementation of vortex flow meter scale voltage compensation method of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Vortex flowmeter is mainly used for industrial piping medium fluid flow measurement, has convenient installation and maintenance, high cost performance, the application of a wide range of features. Vortex flow meter used in petroleum, chemical, metallurgical, thermal, textile, paper and other industries of superheated steam,. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a vortex flow meter scale voltage compensation method of the article details. Vortex flowmeter is mainly used for industrial piping medium fluid flow measurement, has convenient installation and maintenance, high cost performance, the application of a wide range of features. Vortex flow meter used in petroleum, chemical, metallurgical, thermal, textile, paper and other industries of superheated steam and saturated steam, compressed air and gas, water and liquid measurement and control. The volume of saturated steam and superheated steam under the influence of temperature and pressure is very big. Meter below to share with you about the voltage compensation method of vortex flowmeter. 1, a one-time compensation method determine the working parameters of the steam & ndash; According to temperature and pressure, vortex street flowmeter work under working state parameters to determine steam density, the density as the future of steam in the process of the flow measurement orifice * density is calculated. At work to compensate the actual changes of steam or correction, this is known as a compensation method based on one-time calculation. If in the running, the working parameters of steam consistent with the design value, the steam flow measurement accuracy can be guaranteed. If some deviation from the actual working condition parameters, the deviation is very large, even is the deviation of measurement results can be quite large. One-time compensation method, at the beginning of the automatic detection technology adopted by way of measurement, measurement result error is big, can be used as a rough measurement. This design method in the present widespread flow throttling device in the design manual is still in use. 2, on-line density compensation method with the wide application of microelectronics technology in the instrument. Computing functions of vortex flowmeter, compensation correction function, the cumulative function, historical data storage function, the digital filter function, the function, of output, digital communication function and so on can be easily implemented. Online density compensation has become a kind of indispensable basic steam metering instrument functions and is widely used. Here introduce the classification of the vapor density compensation: { 1} Saturated vapor density compensation online. Vortex flowmeter can realize the integration of temperature compensation, the temperature and pressure of saturated steam has a strict one-to-one correspondence relationship between. The density of saturated steam can be the temperature or the pressure of a single function. According to the size of the saturated steam temperature or pressure value, through the look-up table method or the formula to calculate method ( IFC1967 or IAPW - 1997). To get real-time density value. In the flow measurement, the vortex street flowmeter can choose temperature compensation or pressure compensation type flowmeter. To select flowmeter with temperature compensation capability. Open flowmeter temperature sensor, real-time detection test steam temperature, and obtained the corresponding density value. { 2} On-line density compensation superheated steam is superheated steam to saturated steam heating again after a kind of special quality of steam. It broke the inherent in the saturated steam temperature and pressure strict one-to-one relationship. Vortex street flowmeter in flow measurement in the process of superheated steam can be viewed as a single medium. Is the density of superheated steam temperature and pressure of the comprehensive function. In order to select the temperature, the vortex flowmeter pressure compensation type. In actual use, at the same time open real-time sensor measuring temperature and pressure steam temperature, pressure, density values can be according to the density of superheat steam tables or density calculation formula for accurate calculation. Meter factory as a professional research and development type flowmeter production enterprises, over the years, always adhere to the quality and brand, brand for the development of the production concept, perseverance, research, difficult, research and development of new technologies, new products constantly, for the overwhelming majority of customers with reliable quality, comply with the requirements of products, and at the same time, and many enterprises established long-term cooperative relations, set sail together with all my colleagues look forward to working with you. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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Many of the mass flow meter listed here can be purchased for less money, but in general we recommend paying a slightly higher price for significantly improved performance. These are our top choices and their recommended configurations.
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Abstract: The price information of sulfuric acid flow meter is provided by excellent flow meter and flow meter manufacturers. Sulfuric acid flowmeter is one of the key products of Huaian Runtai. Huaian Runtai is a professional manufacturer of sulfuric acid flowmeter. If you need to know the price or quotation of sulfuric acid flowmeter, please contact our sales department. The nominal diameter of sulfuric acid flowmeter has DN25 sulfuric acid flowmeter and DN50 sulfuric acid. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details about the price of sulfuric acid flowmeters. LDE series intelligent electromagnetic flowmeter (sulfuric acid flowmeter) consists of two parts: sensor and converter. It works based on Faraday's law of electromagnetic induction and is used to measure electrical conductivity greater than 5μThe volume flow rate of S/cm conductive liquid is an inductive instrument for measuring the volume flow rate of conductive medium. In addition to measuring the volume flow of general conductive liquids, it can also be used to measure the volume flow of strong corrosive liquids such as strong acid and alkali, and uniform liquid-solid two-phase suspension liquids such as mud, ore pulp, and paper pulp. Widely used in petroleum, chemical, metallurgy, textile, paper, environmental protection, food and other industrial sectors and municipal management. Features of the flowmeter 1. It is not affected by changes in the density, viscosity, temperature, pressure and conductivity of the medium during measurement; 2. There are no obstructing flow parts in the measuring tube, no pressure loss, and the requirements for straight pipe sections are low; 3. The nominal diameter of the series DN15～DN3000. There are various options for sensor lining and electrode materials; 4. The converter adopts a novel excitation method, with low power consumption, stable zero point and high accuracy. The flow range can reach 1500:1; 5. The converter can be integrated with the sensor or separate; 6. The converter adopts 16-bit high-performance microprocessor, 2x16LED display, convenient parameter setting and reliable programming; 7. Flow rate It is a two-way measurement system with three built-in totalizers: forward total, reverse total and difference total; it can be displayed. Zhuang, reverse flow, and has a variety of outputs: current, pulse, remote digital communication, HART; 8. The converter adopts surface mounting technology, with self-test and self-diagnosis functions; measurement accuracy is not affected by fluid density, viscosity, temperature, pressure Due to the influence of changes in conductivity and conductivity, the sensor induced voltage signal has a linear relationship with the average flow rate, so the measurement accuracy is high. There are no obstructions in the measuring pipe, so there is no additional pressure loss; there are no moving parts in the measuring pipe, so the sensor life is extremely long. Since the induced voltage signal is formed in the entire space filled with magnetic field and is an average value on the pipe surface, the straight pipe section required by the sensor is short, and the length is 5 times the pipe diameter. In the sensor part, only the lining and electrodes are in contact with the liquid to be measured. As long as the materials of the electrodes and linings are reasonably selected, they can be resistant to corrosion and wear. The converter adopts the latest and most advanced single chip microcomputer (MCU) and surface mount technology (SMT) in the world, with reliable performance, high precision, low power consumption, stable zero point and convenient parameter setting. Click on the Chinese display LCD to display the cumulative flow, instantaneous flow, flow rate, flow percentage, etc. Bidirectional measurement system, which can measure forward flow and reverse flow. The use of special production technology and high-quality materials ensures that the performance of the product remains stable for a long time. Electromagnetic flowmeter classification: split-type electromagnetic flowmeter, integrated electromagnetic flowmeter Split-type electromagnetic flowmeter is an inductive instrument that measures the volume flow of conductive media in the pipe according to Faraday's law of electromagnetic induction. It adopts single-chip embedded technology to realize digital excitation. At the same time, the CAN field bus is used in the electromagnetic flowmeter, which is the first in China, and the technology has reached the domestic leading level. The split-type electromagnetic flowmeter can output 4-20mA current signal for recording, adjustment and control while satisfying on-site display. It has been widely used in chemical industry, environmental protection, metallurgy, medicine, papermaking, water supply and drainage and other industrial technologies and management department. In addition to measuring the flow of general conductive liquids, the split-type electromagnetic flowmeter can also measure liquid-solid two-phase flow, high-viscosity liquid flow and volume flow of salt, strong acid, and strong alkali liquids. Features The instrument has a simple and reliable structure, no moving parts, and long working life. There are no shut-off and blocking parts, and there is no pressure loss and fluid blockage. No mechanical inertia, fast response, good stability, can be used in automatic detection, adjustment and program control systems. The measurement accuracy is not affected by the type of the measured medium and its temperature, viscosity, density, pressure and other physical parameters. Different combinations of PTFE or rubber lining and electrode materials such as Hc, Hb, 316L, Ti can meet the needs of different media. Various flowmeter models such as pipeline type and insertion type are available.
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Abstract: The information on the application fields and use precautions of the precession vortex gas flow meter is provided by the excellent flow meter and flow meter production and quotation manufacturers. Precession vortex gas flowmeter is a kind of velocity flowmeter widely used in crude oil production, storage and transportation. Because it has no moving parts and has temperature and pressure correction function, it can measure natural gas standards under harsh field conditions. flow value, . For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the application field of the precession vortex gas flowmeter and the details of the article. Precession vortex gas flowmeter is a kind of velocity flowmeter widely used in crude oil production, storage and transportation. Because it has no moving parts and has temperature and pressure correction function, it can measure natural gas standards under harsh field conditions. The flow value has a high cost performance, and can meet the internal production and operation management requirements of the enterprise. At present, in petroleum and petrochemical systems, the flowmeter is mainly used in the following situations: (1) It is used for the measurement of associated gas in the crude oil production process. It is mainly installed at the natural gas outlet at the upper part of the oil-liquid separator. , and mixed into the gathering pipeline and transported to the transfer station. Since the associated gas contains a certain amount of light hydrocarbons, carbon dioxide, water and other media, with the change of temperature and pressure, the above components in a saturated state will be condensed from the natural gas, and the content<At 15%, the measurement accuracy≤±Therefore, this flowmeter is widely used in crude oil production sites, accounting for 95% of gas flowmeters. (2) It is used for crude oil transfer, gathering and transportation stations, and natural gas storage and transportation measurement after being processed by oil-gas-water three-phase separators. In natural gas light hydrocarbons, carbon dioxide, water and other media content<5% of the case, the measurement accuracy≤±3%. (3) It is used for the measurement of natural gas consumption in the production boilers, hot water heating furnaces and other energy-consuming facilities of crude oil gathering and transportation stations. The steam and hot water generated by the above heating facilities are used as energy-carrying working fluids for heat tracing in crude oil storage and transportation. Keep warm. Because natural gas is relatively pure, the measurement accuracy is≤±2%. Since the precession vortex flowmeter is a kind of velocity flowmeter, when the fluid accelerates the vortex flow through the throttling, pressure loss will occur. Therefore, the following problems should be avoided in use: (1) The quality of the measurement medium is guaranteed to be For a single Newtonian body, if there are many impurities in crude oil and trace particles, it should be separated and filtered before the flow meter, otherwise the measured value will be greater than the actual value. (2) The selection of the flow meter should be based on the actual flow of the medium, rather than the diameter of the installed pipeline, which is very important. (3) It is necessary to avoid the measurement error caused by the selection of the pressure sensor and the change of temperature and pressure sensor errors. Since the pressure sensor range of the currently used intelligent precession vortex flowmeter is 2.0Mpa, the actual range pressure of the gas is 2.0Mpa.≤±When it is 0.3Mpa, the measurement error of natural gas in the standard state will increase. At the same time, because most of the intelligent precession vortex flowmeters used in oil fields are used for non-custodial custody transfer, the flowmeters have not been calibrated on time, resulting in zero-point drift of the pressure and temperature sensors, resulting in increased errors in the delivery of natural gas. The flowmeter is regularly calibrated and calibrated. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Precession Vortex Gas Flow Meter Application Fields and Precautions for Use'
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Abstract: The solution information of LWGY-4 turbine flowmeter without display is provided by the excellent flowmeter and flowmeter manufacturer and quotation manufacturer. The solution for LWGY-4 turbine flowmeter without display (2) 3. The measured value of the flowmeter does not match the actual value ; (2) When the liquid flow rate is too low. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the solution article details of the LWGY-4 turbine flowmeter without display. The solution for LWGY-4 turbine flowmeter without display (2) 3. The measured value of the flowmeter does not match the actual value ; (2) When the liquid flow rate is too low, the measured liquid contains tiny bubbles, and the bubbles rise above the pipe and gradually accumulate, the liquid flow area will change, and the gas will generate interference signals, which will affect the measurement accuracy; (3) The signal cable of the turbine flowmeter is poorly connected or the insulation performance of the cable decreases during use, resulting in inaccurate measurement; (4) The parameter setting of the converter is inaccurate. 2. Solution (1) Check whether the transmitter circuit board is in good condition. If the junction box enters the water or is corroded by the corrosive liquid to be tested, it may cause the performance of the electrical appliance to be degraded or damaged. The circuit board should be replaced at this point. (2) Ensure that the flow rate of the liquid to be measured in the pipeline is above the minimum flow limit value, so that the transmitter can work normally. (3) Check whether the signal cable connection and the insulation performance of the cable are in good condition. If the signal cable is loose, reconnect it; if it is found that the insulation of the cable does not meet the insulation requirements, it needs to be replaced. Set the converter setting value, and check the zero point and full scale value of the converter. Fourth, the output signal exceeds the full-scale range 1. Reason analysis The reasons for this kind of failure are roughly: (1) The signal cable wiring is wrong or the cable connection is disconnected; (2) The parameter setting of the converter is incorrect; (3) The converter does not match the sensor model. 2. Solution (1) Check whether the signal loop is connected normally or not. If the signal loop is disconnected, the output signal will exceed the full scale value. At this time, the signal cable needs to be reconnected correctly. At the same time, it is necessary to check whether the insulation performance of the cable is in good condition. If it does not meet the requirements, it needs to be replaced with a new cable. (2) Check in detail whether the parameter settings, zero point and full scale of the converter meet the requirements. (3) If it is found that the model of the converter and the sensor do not match, it needs to be exchanged with the manufacturer. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'LWGY-4 Turbine Flow Meter No Display Solution'
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