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What we are generally familiar with is that Rosemount series differential pressure transmitters are connected to pressure tubes in use. The usual approach is to disconnect the connection between the pressure tube and the Rosemount series differential pressure transmitter, and then connect a pressure source for calibration. This article provides further information on several common methods for using Rosemount series differential pressure transmitters in measurement applications. One method involves combining Rosemount series differential pressure transmitters with throttling elements, using the differential pressure generated before and after the throttling element to measure liquid flow rate ； There are two methods: using Rosemount series differential pressure transmitters to measure the height of a liquid by taking advantage of the pressure difference generated by the liquid’s own gravity ； Three types, which use Rosemount series differential pressure transmitters to directly measure the pressure difference of liquids in various pipes and tanks. The above three are some of the more common methods of application and measurement for Rosemount series differential pressure transmitters. Through the explanations provided, everyone should now have a better understanding of the applications and measurement methods related to Rosemount series differential pressure transmitters. In practical industrial applications, Rosemount series differential pressure transmitters generally use the capacitive detection principle to convert differential pressure into electrical signals. The Rosemount series of differential pressure transmitters feature advantages such as robustness against vibration, the ability to adjust the zero point, range, and damping values on-site continuously, high accuracy, and good stability – all of which are the reasons for their consistent strong sales performance in the market.