1. Industrial automation instruments and control systems. This is generally referred to as PA and FA in foreign countries. The PA is called process automation and the FA is called factory automation. Instrumentation and control systems used in process automation and factory automation fall into this category, and some parts of analytical instruments and electrical instrumentation fall into this category.
Second, scientific test equipment. It is an analytical instrument, a testing machine, an optical instrument, a surveying instrument, and the like. The first type of instrumentation is used on the production line and is connected to the production line. The scientific test instrument is independent, it only takes the sample to the laboratory during the test. Therefore, it is very different from the first category.
Third, commonly used instruments and meters. This mainly refers to the supply of instruments and other general instruments. The national standard for supply meters was taken only two years ago, and we have a lot of contacts on weekdays, such as household electricity meters and gas meters. There are also some commonly used ones that we also take out as such categories, such as scales, medical instruments, timing instruments and some commonly used optical instruments.
Fourth, special instruments and meters. This kind of class is actually used for a certain field. For example, the instruments used in automobiles and motorcycles rise very quickly. This has the advantages of automobile instruments, motorcycle meters, etc., and can be extended to the fields of agriculture, forestry, animal husbandry and fishery. .
The authenticity of this information has not been confirmed by the international electrical network, for your reference only.
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