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随着科学技术的进步和国民经济的发展,工业生产、科学研究、对外贸易、人民生活等各方面的广大用户,对提高仪器仪表产品可靠性的要求越来越迫切。特别是在电力、冶金、石油、化工、轻纺、港口等大型成套设备高速连续生产流程中,各种自动化仪表及装置起着检测、调节、控制、监督和保护的重要作用,一旦失灵,将会使整个系统失控,造成重大事故;各种科学测试仪器不
With the advancement of science and technology and the development of the national economy, the vast number of users in various fields such as industrial production, scientific research, foreign trade, and people’s lives have become increasingly urgent to improve the reliability of instrumentation products. Especially in high-speed continuous production processes of large-scale complete sets of equipment such as electric power, metallurgy, petroleum, chemical, textile, and port, various automated instruments and devices play an important role in detection, regulation, control, supervision, and protection. Will cause the entire system to lose control and cause major accidents; various scientific test instruments are not