Construction of Differential Type Search Coil Magnetometer

被引：0
|
作者：
Kim, J. H. [1 ]
Son, Derac [1 ]
机构：
[1] Hannam Univ, Dept Phys, Ojung Dong 133, Daejeon 306791, South Korea
来源：
JOURNAL OF THE KOREAN MAGNETICS SOCIETY | 2010年 / 20卷 / 05期
关键词：
magnetometer; search coil; low magnetic field measurement; ac magnetic field measurement; magnetic sensor;
D O I：
暂无
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Search coil magnetometer has been used for detection of ac magnetic field with high sensitivity. To reduce demagnetizing factor of core and increase S/N ratio of search coil magnetometer, the core was divided by two parts and coil was wound on each cores. Two coils were connected serially and put into amplifier as differential mode. Constructed 120 mm length search coil magnetometer shows linearity of 0.03%, sensitivity of 9.3 mV/nT, and resolution of 20 pT at 1 Hz.
引用
收藏
页码：178 / 181
页数：4
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