A fluxgate sensor with amorphous race-track (oval) core is described. The sensor measures DC magnetic field and magnetic field gradient simultaneously. The noise RMS values are 10 pT and 10 pT/cm, respectively, both in the 20 MHz–10 Hz frequency range.
Inspec keywords: magnetic cores; magnetic field measurement; magnetometers
Other keywords:
Subjects: Magnetic variables measurement; Magnetic instruments and techniques; Magnetic cores; Sensing devices and transducers
References
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-
1)
- O.V. Nielsen , J.R. Petersen , A. Fernandez , B. Hernando , P. Spisak , F. Primdahl , N. Moser . Analysis of a fluxgate magnetometer based on metallic glass sensor. Meas. Sci. Technol. , 435 - 440
-
2)
- Ripka, P., Sedlacek, M., Janasek, V.: `Ambulatory noise analysis system', Papers S 15-4, Proc. Imeko TC-4 Symposium, 12–13 May 1993, Brussels, Belgium.
-
3)
- P. Ripka . Review of fluxgate sensors. Sens. & Actuators A , 129 - 141
-
4)
- P. Ripka , P. Jires , M. Machacek . Fluxgate sensor with increased homogeneity. IEEE Trans. , 2041 - 2048
-
5)
- M.D. Mermelstein , A. Dandridge . Metallic glass ribbon probe for the measurement of the magnetic field, first and second order field gradients. Electron. Lett. , 501 - 503
-
6)
- R.Ja. Berkman . O novom variante magnitomodulacionnovo datschika dlja izmerenija gradientov naprjazhennosti magnitnych polej (About a new type of magnetomodulation transducers for measurement of the magnetic field gradient). Avtom. Kontrol i Izmer. Tech. , 157 - 162
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1)
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19930797
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content/journals/10.1049/el_19930797
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