An Experimental Study of Stable Operating Conditions for a High-Sensitivity Induction Gradiometer

Stable operating conditions for a high-sensitivity induction gradiometer are studied experimentally. In order to reduce electrical interferences in our developed induction gradiometer, we construct a Faraday cage. It consists of copper mesh and wood, and is 2.0 mtimes1.8 mtimes1.8 m in size. Experim...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2009-06, Vol.45 (6), p.2784-2787
Main Authors: Tashiro, K., Kakiuchi, A., Moriizumi, K.-i., Wakiwaka, H.
Format: Article
Language:English
Subjects:
Band pass filters
Cage
Cleaning
Coils
Copper
Cross-disciplinary physics: materials science
rheology
Cutoff frequency
Electrical interference
Electrical interferences
Electronics
Exact sciences and technology
Faraday cage
Grounding
Inductance
induction gradiometer
Interference
Magnetic fields
Magnetic measurements
Magnetic sensors
Magnetic shielding
Magnetism
Materials science
Other topics in materials science
Physics
Voltage
Wood
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Summary:Stable operating conditions for a high-sensitivity induction gradiometer are studied experimentally. In order to reduce electrical interferences in our developed induction gradiometer, we construct a Faraday cage. It consists of copper mesh and wood, and is 2.0 mtimes1.8 mtimes1.8 m in size. Experimental results show that the inside of the cage can provide a quiet electrical environment where the electrical interference is suppressed. Choosing a suitable grounding point for the electronics, undesirable signals in the sensor output are cleaned. Observation of a weak magnetic field is also demonstrated.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2009.2020561