ASTM A889/A889M-14(2020) PDF
Standard Test Method for Alternating-Current Magnetic Properties of Materials at Low Magnetic Flux Density Using the Voltmeter-Ammeter-Wattmeter-Varmeter Method and 25-cm Epstein Frame
Standard Test Method for Alternating-Current Magnetic Properties of Materials at Low Magnetic Flux Density Using the Voltmeter-Ammeter-Wattmeter-Varmeter Method and 25-cm Epstein Frame
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Дата публикации:
- 23 июля 2020 г.
- SKU:
- ASTM A889/A889M-14(2020)
Abstract
Significance and Use 3.1 This test method may be used to determine the specific core loss, specific reactive power, specific exciting power, inductance permeability, and impedance permeability of flat-rolled magnetic materials over a wide ...
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