The role of the temperature and pressure compensation function of the vortex flowmeter produced by Henan vortex flowmeter manufacturers

The function of the temperature and pressure compensation function of the vortex flowmeter produced by Henan vortex flowmeter is a vortex flowmeter that uses the Karman vortex principle to measure flow. It is mainly used for the flow measurement of medium fluids in industrial pipelines. It can measure gas, liquid, Steam and other media. There are different types of vortex flowmeters to choose from, and the integrated vortex flowmeter with temperature and pressure compensation is also often used by customers. Due to the compressibility of the gas, its flow measurement is more complicated than that of the liquid. The output signal of the vortex flowmeter is not only related to the input signal, but also related to the gas density, and the density of the gas is temperature and pressure (referred to as temperature and pressure) The function. Therefore, the gas flow measurement generally has the problem of temperature and pressure compensation. The density of steam is not only related to temperature and pressure, but also to humidity. In recent years, new types of vortex flowmeters have emerged, making the temperature and pressure compensation of gas flow measurement simple and accurate, thereby improving the measurement accuracy. When measuring the temperature and pressure compensation vortex flowmeter, the classification of the medium: 1. When measuring the gas, the temperature and pressure need to be compensated at the same time; the gas is generally settled by the standard volume flow rate. Because the volume flow of the gas changes when the temperature or pressure changes, the flow will change. 2. When measuring superheated steam, temperature and pressure need to be compensated at the same time; steam is generally settled by mass flow. Because there is a change in either temperature or pressure, the density of the steam changes and the mass flow also changes. 3. When measuring saturated steam, single temperature compensation or single pressure compensation is required. The density of saturated steam has a fixed correspondence with temperature or pressure (saturated steam density table), knowing any of them, the density of saturated steam can be determined

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