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25cm standard Epstein square circle


According to the IEC404-2 standard, the 25 cm Epstein square circle is the basis for measuring the magnetic properties of electrical steel sheets (strips). From DC to 10kHz, that is, the entire frequency range of electrical steel sheets, the measurement principle of its DC characteristics is the impact method. The measurement principle of AC characteristics is voltammetry (or called power meter, voltmeter, ammeter method).

Classification:



  • 产品描述
  • Technical parameter
    • Commodity name: 25cm standard Epstein square circle
    • Commodity ID: 1303290225022881792

    According to the IEC404-2 standard, the 25 cm Epstein square circle is the basis for measuring the magnetic properties of electrical steel sheets (strips). From DC to 10kHz, that is, the entire frequency range of electrical steel sheets, the measurement principle of its DC characteristics is the impact method. The measurement principle of AC characteristics is voltammetry (or called power meter, voltmeter, ammeter method).

    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).

     

    Key words:
    • standard
    • method
    • steel
    • measurement
    • principle
    • magnetic performance measurement
  • Technical indicators
    ● Ambient temperature 23℃±5℃
    ● Humidity <65%
    ● Applicable standards GB3655-2008 and IEC 60404-2
    ● Equivalent magnetic circuit 940mm
    ● Primary turns 700 turns\Secondary turns 700 turns
    ● The sample size is 30mm wide±0.2mm, length 280~320mm±0.5mm
    ● The sample quality is not less than 240g\Suitable frequency range: DC-400Hz

     

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