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What are the measurement ranges of vortex flowmeters?
1、 Vortex flowmeter is a flowmeter based on the Karman vortex principle for measurement. It can measure liquids and gases, and is also very economical. The diameter is generally DN10-- DN1000. With temperature and pressure compensation, it can accurately measure gas or steam flow, and has a wide range of applications;
2、 Vortex flowmeter can only measure volumetric flow rate, usually in m3/h (cubic meters per hour), with instantaneous flow display and cumulative flow display;
3、 The measurement range corresponding to electromagnetic flow meters of different diameters is: liquid measurement: (unit: m3/h): DN15
1.2-6; DN20
1.5---10； DN25：2---16； DN32
1.8---20； DN40：2.5---25； DN50：3.5---40； DN65：7.5---70； DN80：12---130； DN100：18---160； ..... Gas measurement: (unit: m3/h): DN15:4--28; DN20：6---40； DN25：8---50； DN32：15---150； DN40：18---180； DN50：25---480； DN65：50---500； DN80：80---800； DN100：120---1200； ..... For more detailed information, please refer to the technical article on the website of Shandong Qiangqiang Automation Technology Co., Ltd.... What is the maximum flow rate of a DN65 vortex flowmeter at a pressure difference of 1.5 kilograms?
The DN65 curved vortex flowmeter, if it is a liquid, has a flow range of 6-60m3/h; If it is gas, the flow range is 30-400m3/h for Xunzhan. Welcome to discuss
3. What is the full range measurement data of DN80 vortex flowmeter?
DN80 refers to the small flange of the vortex flowmeter, and DN80 also refers to the inner diameter of the pipeline being 80mm. From the measurement range, the DN80 vortex flowmeter measures a small range of 12
4. How is the flow rate displayed by the flowmeter calculated?
The flowmeter measures fluid flow rate or volume change through different principles, and the final calculation result is combined with unit time to form flow data.
. Flowmeters can be classified into three types based on their class balance and filial piety. The core calculation logic can be divided into velocity correlation method, volume accumulation method, and fluid characteristic analysis method. Below is a specific explanation:1. Velocity velocity correlation method. This type of equipment measures the fluid motion velocity and calculates the instantaneous flow rate by combining it with the flow cross-sectional area.
1. Electromagnetic flow meters measure the induced electromotive force generated by conductive liquids in pipelines based on Faradays law of electromagnetic induction. When the flow rate of the conductive liquid is v and the diameter D is known, the flow formula is Q=π D ² v/4. For example, when a flow rate of 2m/s is measured in a DN100 pipe, the flow rate is approximately 15.7m ³/h
2. The vortex flowmeter detects the separation frequency f behind the vortex generator and infers the flow rate based on the calibration parameter K. The calculation formula is Q=f/K. When the coefficient of a certain model of instrument is K=650 pulses/m ³, a flow rate of 3.85m ³/h is measured at 2500Hz.
2. Volume and Volume Accumulation Method Mechanical measurement accumulates the total amount through continuous filling and discharge of the chamber.
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