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[Chemical Knowledge]：Differential pressure gauge principle: a new technology for measuring pressure

Read： 668 Time：20months ago Source：Transform the World with Simplicity

The differential pressure gauge is a new type of technology for measuring pressure. Its principle is to calculate the pressure by measuring the fluid pressure difference between two points. The principle of the differential pressure gauge is very simple, that is, by measuring the pressure difference between two points, the pressure of the fluid is calculated.

pressure difference is the pressure difference between two different positions of the fluid, which is affected by resistance and friction during the flow. Therefore, differential pressure gauges require accurate measurement techniques to perform pressure calculations. The measurement principle of the differential pressure gauge mainly includes two aspects, namely, the measurement of differential pressure and the measurement of flow.

to measure the differential pressure is the core of the differential pressure gauge, which is mainly measured by two pressure sensors installed on the fluid pipeline. One sensor measures the pressure at the fluid inlet, the other sensor measures the pressure at the outlet, and the pressure is calculated by the difference between the two pressure values.

measurement flow is measured by a flow meter installed on the pipeline. Flow meters can be implemented in a variety of ways, such as by mounting a rotating gauge on the pipeline or placing a static measuring plate, and calculating the flow rate by measuring the speed or resistance of the fluid through the device.

differential pressure gauges are widely used in fluid control and monitoring in petroleum, chemical, electric power, water treatment and other fields. In the petroleum industry, differential pressure gauges are mainly used for pressure monitoring and control of oil and gas wells and pipelines. In the chemical industry, differential pressure gauges are used to measure the concentration and flow of multi-component mixtures in the production process. In the power and water treatment industry, differential pressure gauges are used for monitoring and maintenance of pipelines and transmission lines.

Generally speaking, differential pressure gauge is a new measurement technology, which has a wide range of applications in various fields. In the future, with the continuous upgrading and improvement of related technologies, differential pressure gauges will become more and more popular and become one of the important tools in the field of fluid control and monitoring.

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