AC magnetic flux density standards in the low frequency range

An AC magnetic flux density standard system was constructed for calibration in KRISS magnetometers and for the testing of the magnetic field characteristics of sensors and materials in the frequency range below 20 kHz. This system consists of an AC magnetic field converter, a Helmholtz coil, a volta...

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Bibliographic Details
Main Authors: Po Gyu Park, Kim, Y.G., Kalabin, V.N., Shifrin, V.Ya
Format: Conference Proceeding
Language:English
Subjects:
Calibration
Frequency
Magnetic field measurement
Magnetic flux density
Magnetic materials
Magnetic sensors
Magnetometers
Materials testing
Sensor phenomena and characterization
System testing
Online Access:Request full text
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Description
Summary:An AC magnetic flux density standard system was constructed for calibration in KRISS magnetometers and for the testing of the magnetic field characteristics of sensors and materials in the frequency range below 20 kHz. This system consists of an AC magnetic field converter, a Helmholtz coil, a voltage comparator, a voltmeter, a standard resistor, and a computer with a program for automatic measurement. The expanded uncertainty (k=2) is 0.2% in the range of 1 Hz to 20 kHz.
ISSN:0589-1485
2160-0171
DOI:10.1109/CPEM.2008.4574850