The magnetic line of force and the distribution of the magnetic pole of the multi-pole magnet can be detected by the magnetic pole observation film. The magnetic pole observation film is made of a special imported material. By using it, we can clearly see the distribution of the magnetic poles of a magnet and the distance between the magnetic poles, and we can distinguish how many poles are magnetized. It is one of the indispensable testing tools for the manufacturers of magnetic material industry, especially for the effect testing of multi pole magnetized magnet. It is the most intuitive high-tech product for pole observation and testing, which is mainly used by multi pole ring magnet manufacturers and permanent magnet motor assembly enterprises.
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