What are the causes and solutions for the error caused by the target flow meter in use?

Abstract: The information on the causes of errors and solutions for target flowmeters in use are provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. Target flowmeters began to be used in industrial flow measurement in the 1960s. They are mainly used to measure the flow of high viscosity and low Reynolds number fluids. They have gone through two development stages of pneumatic meters and electric meters. SBL series intelligent target flowmeters are the original strain gauges. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details of the causes of errors and solutions for target flowmeters in use. Target flowmeters began to be used in industrial flow measurement in the 1960s. They are mainly used to measure the flow of high viscosity and low Reynolds number fluids. They have gone through two development stages of pneumatic meters and electric meters. SBL series intelligent target flowmeters It is based on the measurement principle of the original strain gauge (capacitive) target flowmeter, using the latest force induction sensor as the measurement and sensitive transmission element, and a new type of flow rate developed by using modern digital intelligent processing technology. meter. 1. The cause of the error After the target flowmeter is installed according to the technical conditions, it is put into operation according to the operation steps. It is found that a few meters show a large error, and some alarms show the full scale. It was dismantled at the site and verified by the method of removing the code and hanging weight, and found that the flowmeter is good. After analysis, the main reasons are as follows. 1) Some large debris in the fluid is wrapped around the target rod, and it is easy to indicate the full scale in the state of flow. This phenomenon mainly exists in the condition of measuring circulating water, which is due to the direct extraction of river water without filtering. 2) Due to installation errors, it cannot be guaranteed that the target plate of all insertion target flowmeters is located in the center of the pipeline, nor can it be guaranteed that the target plate is completely perpendicular to the pipeline. Therefore, there is a difference between the working condition and the pre-factory calibration condition, resulting in the measurement error of the target flowmeter. 2. Solution 1) In order to prevent the larger debris in the fluid from entangling the target plate (rod), a filter screen is added at the pump outlet to filter out these larger debris. 2) Use the comparison method to correct the error of the target flowmeter at the production site. Instruments used: 1 4½-digit digital multimeter; 1 portable ultrasonic flowmeter; necessary wiring clips and tools. Haines Automation Instrumentation is a professional manufacturer of electromagnetic flowmeters, turbine flowmeters, vortex flowmeters, magnetic flap level gauges, thermocouples, thermal resistances, bimetal thermometers and pressure gauges of various specifications, etc., as well as the production of various As a manufacturer of non-standard flowmeters, the company has advanced management level, modern professional production equipment, and accurate calibration devices. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'What are the causes and solutions for errors in the use of target flow meters'

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