ASTM A889/A889M : 2014 Title: 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 Pages: 6 Year: 2014 Publisher: American Society for Testing and Materials Availability: Within 1-2 working days