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25cm standard Epstein square circle
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25cm standard Epstein square circle
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Technical parameter
| Product introduction |
| Comply with the national standard GB/T3655-2008 and GB 10129-88, and can be matched with FE-2100M silicon steel measuring device use. According to the IEC404-2 standard, the 25 cm Epstein square circle is the basis for the magnetic performance measurement of electrical steel sheet (belt). From DC to 10kHz, that is, the entire frequency range of electrical steel sheet, its DC characteristics The measurement principle of the AC characteristic is the impulse method, and the measurement principle of the AC characteristic is the volt-ampere method (or called the power meter, voltmeter, ammeter method). |
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