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Keywords of this article: Rosemount. http://www.qyyb.net/ Rosemount differential pressure transmitters can be used in many different applications. They can measure the level, flow rate, and pressure of liquids, gases, or vapors, and then convert these measurements into a 4–20 mA DC signal for output, thereby fulfilling their function. Below, the editor will introduce to you the measurement and control aspects of differential pressure transmitters. 1. Easily crystallizing media 2. Continuous measurement of interface and density. The telemetric device prevents the mixing of media at different instants, thereby enabling the measurement results to truly reflect the actual conditions of process changes. 3. Viscous media at high temperatures. 4. Highly toxic or strongly corrosive media. It eliminates the cumbersome task of frequently replenishing the isolation fluid, which is necessary due to unstable measurement signals when using such a fluid ； It can prevent the occurrence of environmental contamination caused by leaks in pressure guiding pipes. 5. Places with high requirements for hygiene and cleanliness. In industries such as beverage, pharmaceutical, and food production, to prevent cross-contamination between different media, it is required not only that transmitters be easy to rinse, but also that the parts in contact with the media meet hygiene standards. 6. Sedimentable media containing suspended matter or solid particles: The pressure-sensing diaphragm of the Rosemount differential pressure transmitter is connected to the transmitter itself via capillaries filled with fluid. This setup helps prevent the medium in the pipeline from entering the transmitter directly. I hope that the description of the measurement and control of the transmitters presented above will be helpful to everyone. Shanghai Quanyun Instrument Co., Ltd. Phone: 021-57629782 Company Fax: 021-57629781 Mobile Number: 15801876667 Contact Person: Bao QQ: 1609345838 Address: Room 519, No. 32 Xinxin Road, Cheden Town, Songjiang District, Shanghai