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1. Top 10 Brands of Steam Flowmeters
The top 10 brands of steam flow meters include: Emerson, Siemens, Yokogawa E+H、 Cologne, Weidun, Chuanyi, Shangyi, Zhonghuan Tianyi, and Tianxin Instrument. Here is a brief introduction to these brands: Emerson: As a leading global provider of measurement and automation technology, Emersons steam flow meters are renowned for their high precision and stability, and are widely used in industries such as energy, chemical, food, and pharmaceuticals. Siemens: Siemens is a globally renowned provider of electrical and automation solutions, and its steam flow meters are known for their excellent performance and reliability, particularly in complex industrial environments. Yokogawa: Yokogawa is a professional manufacturer of measurement and control systems, renowned for its steam flow meters for accuracy and durability, widely used in the oil, gas, and chemical industries. E+H: E+H focuses on process automation and measurement technology, and its steam flow meters are praised for their innovation and excellent technical characteristics, widely used for liquid and gas measurement. Cologne: Cologne is a leading manufacturer of industrial automation instruments in China, and its steam flow meters occupy an important position in the domestic market, receiving high praise from users for their high cost-effectiveness and stable performance. Weidun: Weidun focuses on fluid measurement and control technology, and its steam flow meters have outstanding performance in accuracy and reliability, widely used in industries such as power, metallurgy, and papermaking. Chuanyi: Chuanyi is a well-known manufacturer of industrial automation instruments in China. Its steam flow meters have excellent me
2. What is the basis for classifying the accuracy level of flow meters?
Firstly, the country uses the absolute value of the maximum relative percentage error of the instrument as the accuracy level. Among them, the accuracy of the first level standard instrument is 0.005 0.02 0.05, and the accuracy of the second level standard instrument is 0.1 0.2 0.35 0.5. The accuracy of general industrial instruments is
1. 1.5 2.5 4.0 Relative percentage error=(measured value of the north side parameter - standard value of the north side parameter)/(upper limit value of the scale - lower limit value of the scale) * 100%
Secondly, how is the accuracy level of instruments in China divided slowly?
? Basic error: Basic error, als