Flow meter measurement method and selection

Abstract: Flow meter measurement methods and selection information are provided by excellent flow meter and flow meter manufacturers and quotation manufacturers. 1. Flow measurement methods Flow measurement methods can be roughly classified into the following categories: (1) Using the principle of Bernoulli equation, the differential pressure flow measurement method reflects the flow by measuring the differential pressure signal of the fluid; (2) By directly measuring the fluid flow rate to get the flow rate. For more flow meter manufacturers to select models and price quotations, you are welcome to inquire. The following are the details of flow meter measurement methods and selection articles. 1. Flow measurement methods Flow measurement methods can be roughly classified into the following categories: (1) Using the principle of Bernoulli equation, the differential pressure flow measurement method reflects the flow by measuring the differential pressure signal of the fluid; (2) By directly measuring the fluid (3) Volumetric measurement using standard small volume to continuously measure flow; (4) Mass flow measurement for the purpose of measuring fluid mass flow. 2. Main technical parameters of the flow meter (1) Flow range The flow range refers to the range of the maximum flow and the minimum flow that the flow meter can measure. (2) Range and turndown ratio The difference between the maximum flow rate and the minimum flow rate value within the flow range is called the range of the flowmeter. The ratio of the maximum flow to the minimum flow is called the turndown ratio, also known as the range of the flowmeter. (3) Allowable error and accuracy grade The maximum allowable error of the flow meter under the specified normal working conditions is called the allowable error of the flow meter, which is generally expressed by the maximum relative error and reference error. The accuracy grade of the flow meter is divided according to the size of the allowable error. (4) Pressure loss The size of pressure loss is an important technical indicator for flow meter selection. The pressure loss is small, the fluid energy consumption is small, the power requirement for transporting the fluid is small, and the measurement cost is low. On the contrary, the energy consumption is large, and the economic benefit is correspondingly reduced. Therefore, it is hoped that the pressure loss of the flowmeter is as small as possible. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Flow Meter Measurement Method and Selection'

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