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td8520/td8525 testing apparatus for broadband magnetic properties of electrical steel sheets

◉ td8520/td8525 is composed of excitation and measurement host, epstein square ring, single-chip magnetometer (optional) and full-automatic measurement software.

◉ it can measure the ac magnetic properties of oriented or non-oriented silicon steel sheet, transformer or electronic core in the frequency range of 45 hz ~ 20 khz.
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