磁強計(英語:magnetometer)又稱作磁力儀、高斯計,指的是各種用於測量磁場的儀器。
在國際單位制中描述磁場的物理量是磁感應強度,單位是特斯拉。由於1特斯拉意味着非常強的磁場,地球科學上常用納特來作為測量單位,工程上常用的CGS制(厘米-克-秒制)中,單位則是高斯。在早期,電磁領域高斯單位盛行,因此磁強計也稱為高斯計。
磁感應強度是向量,具有大小和方向特徵,只測量磁感應強度大小的磁強計稱為純量磁強計,而能夠測量特定方向磁場大小的磁強計稱為向量磁強計。
能夠測量磁場的物理原理有很多,根據不同原理進行分類,常見純量磁強計原理有質子旋進磁強計,Overhauser磁強計,鹼金屬光泵磁強計等,常見的向量磁強計有磁通門磁強計、磁阻磁強計等。
外部連結
維基共享資源上的相關多媒體資源:Magnetometer
- Earthquake forecasting techniques and more research on the study of electromagnetic fields (頁面存檔備份,存於互聯網檔案館)
- Dan's Homegrown Proton Precession Magnetometer Page
- USGS Geomagnetism Program (頁面存檔備份,存於互聯網檔案館)
- A home built PPM that actually works (頁面存檔備份,存於互聯網檔案館)
- Earth's Field NMR (EFNMR)
- Magnetic archaeological prospection (Swedish National Heritage Board)
- Magnetometer – Measuring the magnetic field of Earth
- Example of a portable EMF meter (頁面存檔備份,存於互聯網檔案館)
- Space-based magnetometers
- Practical guidelines for building a magnetometer by hobbyists – Part 1 Introduction (頁面存檔備份,存於互聯網檔案館)
- Practical guidelines for building a magnetometer by hobbyists – Part 2 Building (頁面存檔備份,存於互聯網檔案館)
- The new INTERMAGNET 1-second standard fluxgate magnetometer. V.Korepanov, A. Marusenkov (Lviv Centre of Institute for Space Research, Lviv, Ukraine), J.Rasson (Royal Meteorological Institute, Dourbes, Belgium)
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