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A mass flow meter is a type of inferred-flow meter, and the development and application of its flow measurement technology are interdependent; applications and demands serve as the driving force behind the advancement of this technology. Currently, there are many measurement methods for Emerson mass flowmeters, including both indirect and direct approaches. The focus of development in mass flow meter measurement technology is direct mass flow measurement methods, aimed at improving measurement accuracy and enabling highly accurate and reliable measurements of various media under complex environmental conditions. The sensor consists of a vibration tube, a signal detector, an oscillation driver, a support structure, and a housing. It can directly measure the mass flow rate of the fluid in the pipeline with high accuracy, features high stability and reliability, a large range ratio, and is suitable for use with highly viscous fluids. The flow sensor of a mass flow meter is a phase-sensitive resonant sensor based on the Coriolis force effect. The indirect measurement method for mass flowmeters involves the measurement of multiple intermediate parameters, followed by calculations and corrections; as a result, significant cumulative errors occur. However, due to its inheritance from traditional methods and ease of use, it is widely applied in situations where high measurement accuracy is not required. It is particularly widely used in applications that involve measuring the mass flow rate of gases or their volume at standard conditions, using a compensatory approach.