Five classes. According to the website of north university of china official website, Instrumentation Engineering belongs to the Institute of Instrumentation and Electronics, with a small enrollment. There are five classes in class 2022. North university of china (NUC), located in Taiyuan, is a multi-disciplinary teaching and research university jointly established by the Shanxi Provincial People's Government, the Ministry of Industry and Information Technology, the Shanxi Provincial People's Government and the National Bureau of Science, Technology and Industry for National Defense. It is managed by the Shanxi Provincial People's Government and is the governing unit of B8 Collaborative Innovation Alliance, China Aerospace Science and Technology Education Alliance and UNESCO China Entrepreneurship Education Alliance. It was selected into the basic capacity building project of universities in the central and western regions, excellent engineer education and training plan, new engineering research and practice project, national college students' innovation and entrepreneurship training plan, national college students' cultural quality education base, national demonstration universities for deepening innovation and entrepreneurship education reform, "133 1 project" in Shanxi Province, and the first batch of demonstration universities for innovation and entrepreneurship education reform in Shanxi Province, and was praised as "the first school of the People's Army Project".