Main points of use and installation requirements of vortex flowmeter

Abstract: The use points and installation requirements of vortex flowmeters are provided by excellent flowmeter and flowmeter manufacturers. Vortex flowmeter: 1. In terms of model selection, some vortex flowmeters have a larger diameter due to the selection of caliber or due to changes in process conditions after design and selection. Improve measurement accuracy, thereby. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are the main points of use and installation requirements of vortex flowmeters. Vortex flowmeter: 1. In terms of model selection, some vortex flowmeters have a larger diameter due to the selection of caliber or due to changes in process conditions after design and selection. To improve the measurement accuracy, the resulting problems are: (1): the indication is inaccurate for a long time; (2): the indication fluctuates in a large range and cannot be read; (3): the indication is ok when the flow is large, but the indication is inaccurate when the flow is small. For example, a vortex pipeline is designed to be used by several equipments. Since some of the equipment in the process are sometimes not used, the current actual flow rate is reduced. The actual use causes the original design selection diameter to be too large, which is equivalent to increasing the measurable flow rate. The lower limit, the indication cannot be guaranteed when the flow rate of the process pipeline is small, and the vortex flowmeter can be used when the flow rate is large, because it is very difficult to rebuild. Changes in process conditions are only temporary. Can be combined with parameter re-tuning to improve indication accuracy. Two: Installation (1): The length of the straight pipe section in front of the vortex flowmeter is not enough, which affects the measurement accuracy, and the indication is inaccurate for a long time. For example: the straight pipe section in front of the sensor is obviously insufficient. Since the FIC203 is not used for measurement, it is only used for control. All current precision use is equivalent to degraded use. Three: Parameter setting direction (1): Due to wrong parameters, the vortex flowmeter indicates wrong. The parameter error makes the calculation of the full-scale frequency of the secondary instrument wrong, the indication is inaccurate for a long time, there is always no indication, the K coefficient of the instrument cannot be determined, and the data are inconsistent in many places. (2): The similar full-scale frequency makes the indication inaccurate for a long time, and the actual full-scale frequency is larger than the calculated full-scale frequency, which makes the indication fluctuate in a large range and cannot be read, and the inconsistency of the parameters in the data affects the final parameter. Determined, such a problem needs to be re-calibrated, combined with mutual comparison to determine the parameters, in order to solve this problem. Four: Secondary instrument fault (1): The indication is inaccurate for a long time, there is no indication all the time, etc. There are many faults in this part, including: the circuit board of the primary vortex flowmeter has a disconnection, the range setting has a bad display of individual bits, The K coefficient setting has individual digit display bad, making it impossible to determine the range setting and K coefficient setting, etc. By fixing the corresponding failure, the problem is solved. Five: Four-way circuit connection (1): Some circuits appear to be well connected on the surface. Check carefully. Some connectors have actually been loose, causing the circuit to be interrupted. Although some connectors are tightly connected, the tightening screws are tight due to the problem of the secondary line. It is fixed on the wire skin, which also causes the circuit to be interrupted. This part of the reason for the vortex flowmeter is mainly related to the lack of indication. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Key points of use and installation requirements of vortex flowmeter'

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