The article examines methods for measuring gas flow using mechanical devices and investigates the feasibility of including a pressure device in the design of membrane mechanical meters in order to improve the accuracy of flow measurement. Accurate measurement of gas consumption plays an important role in solutions for its industrial and commercial applications. Diaphragm mechanical gas meters have been successfully used for several decades to measure gas consumption in domestic, industrial and commercial purposes. The advantages of these meters are simplicity, reliability and cost-effectiveness. However, recent advances in materials, advanced sensors and digital technologies open up great opportunities for the modernization of these devices, increasing their accuracy, reliability and integration into smart utility networks. The article describes the operating principle of diaphragm mechanical gas meters, the limitations of traditional designs, and analyzes the issues of modernization by including pressure and temperature sensors in their design. Integrating a pressure sensor into traditional diaphragm gas meters allows for increased accuracy by compensating for pressure changes in real time and at the same time bridging the gap between traditional mechanical systems and modern smart metering technologies. Comparative analysis shows that as a result of modernization, the productivity and cost-effectiveness of membrane meters have increased. Keywords: Flow meter, volumetric flow rate, mechanical equipment for measuring gas flow of membrane type, pressure compensation device, pressure and temperature sensor.
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