With the continuous advancement and development of science and technology, the importance of industry standards is becoming increasingly prominent. At present, the current national standards related to transmitters in China are constantly improving. On February 1st, the China Machinery Industry Federation proposed that the National Industrial Process Measurement Control and Automation Standardization Technical Committee (SAC/TC 124) administer GB/T 17614.3-2018 "Transmitter for Industrial Process Control Systems Part 3: The Smart Transmitter Performance Evaluation Method was officially implemented. This standard is mainly for the monocrystalline silicon piezoresistive technology pressure transmitter in the domestic pressure transmitter industry. Monocrystalline silicon pressure transmitters have excellent anti-interference ability, excellent high-frequency response capability, strong overload resistance and high-precision transmission. They are now one of the larger transmitters in industrial process systems. It is the "main force" in the domestic pressure transmitter and the future development direction. The development of technology has never been done overnight, from intrinsically safe single crystal silicon pressure transmitters that meet basic process industrial automation (DCS, PLC) to functional safety single crystal silicon pressure transmitters of SIS safety instrument systems, to today's single The pressure transmitter of crystalline silicon piezoresistive technology, China's pressure transmitter technology has been undergoing changes in the process of reborn, domestic pressure transmitter manufacturers are also witnessing the innovation and progress of the industry technology. Hundreds of crickets contend, and those who fought are first. Among the manufacturers of monocrystalline silicon pressure transmitters in China, many manufacturers have made great breakthroughs in the technical level of monocrystalline silicon pressure transmitter products. At present, the accuracy of pressure transmitters produced abroad is generally 0.04%, and the accuracy of domestic monocrystalline silicon multi-parameter pressure transmitters is also 0.05%, and the precision performance can be comparable to imported brands. Monocrystalline silicon piezoresistive pressure transmitter The great advancement of technology has also enabled the domestic monocrystalline silicon pressure transmitter to continuously increase its influence in the international market. At the large-scale exhibitions such as the Nuremberg sensor, test and measurement exhibition and international measuring instruments in Germany, the monocrystalline silicon pressure transmitters exhibited by domestic companies are demonstrating the advanced transmitter technology in China. In addition to advanced technology, as one of the basic projects of quality development, the standardization strategy has increasingly become a key core factor to enhance the core competitiveness of enterprises. More domestic transmitter manufacturers also have a global strategic vision. Committed to the development and implementation of industry standards. As a new type of transmitter for industrial process control systems, smart pressure transmitters are now universally equipped with microprocessors that employ digital signal processing and communication methods, auxiliary sensing elements and artificial intelligence, which makes them more complex than traditional analog The feeders are more complex, while giving them fairly objective added value. Therefore, it is necessary to construct a method for design review and performance testing of smart transmitters*. "Transmitter for industrial process control systems - Part 3: Method for assessing performance of smart transmitters" GB/T 17614.3-2013 Since its implementation in 2014, some regulations are no longer applicable to the evaluation of current smart transmitter performance. To this end, the National Industrial Process Measurement Control and Automation Standardization Technical Committee has reported on the "Transmitter for Industrial Process Control Systems Part 3: Performance Evaluation Methods for Smart Transmitters" GB/T 17614.3-2018. The standard was drafted by more than 40 domestic instrument manufacturers, and 55 industry*s participated in it, which embodies the rich production experience and advanced production technology in the industry. This standard is equivalent to the IEC national standard, which fully proves the great progress made by the domestic pressure transmitter industry, and has important guiding significance for the development of the domestic intelligent pressure transmitter industry. Don't wait for me, just fight for the day! 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