The NMR experiment instrument is a set of most suitable demonstration system designed according to modern physics experiment teaching in colleges and universities. It can be used to observe the NMR absorption signal of 1H; determine the nuclear magnetic distance of 19F; and use NMR method to measure the magnetic field and other experimental items. This system has the characteristics of beautiful appearance, simple use, reliable and durable. Since the instrument uses a current adjustment method to adjust the magnetic field, the adjustment of the magnetic field strength is more convenient, and at the same time, a wide range of magnetic field strength is adjustable. It is the most suitable demonstration instrument for modern physics experiment teaching in colleges and universities.

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