Induction Magnetometers – Design Peculiarities

Sensors & Transducers Journal

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Vol. 120, Issue 9, September 2010, pp.92-106

Induction Magnetometers – Design Peculiarities

Valeriy KOREPANOV, Vira PRONENKO

Lviv Centre of Institute for Space Research, 5-A Naukova str., Lviv, 79060, Ukraine

Tel.: +380 32 2639163

E-mail: lessia1@isr.lviv.ua

Received: 26 August 2010 /Accepted: 14 September 2010 /Published: 27 September 2010

Abstract: Induction or search-coil magnetometers (IM) are widely used in many branches of science and industry. The frequency range and dynamic range of IMs are probably the widest of all existing magnetometers: they are used for the measurement of magnetic field variations in the frequency band from ~10^-4 till ~10⁶ Hz with the intensities from fractions of femtotesla till tens of tesla. This explains the permanent interest to IM design and the attempts to construct the IMs with best possible parameters. The present paper deals with the peculiarities of IM design. An attempt to re-establish the correctness of priorities in the field is made and the approaches to the IM optimization and their quality estimation are described.

Keywords: AC magnetic field, Induction magnetometer, Design, Quality factor.

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