Title :
A comparative study on the calibration of pole caps for a magnetic microbalance
Author :
Rais, A. ; Yousif, A.A.
Author_Institution :
Dept. of Phys., Sultan Qaboos Univ., Muscat, Oman
Abstract :
Calibration curves for 177 mm Henry profile pole caps of a Faraday microbalance magnet are obtained from absolute susceptibility measurements. The pole caps are at gaps of 4.0, 4.5 and 5.0 cm for maximum magnetic field strengths from 2.18 to 6.90 kOe. Typical results on few standard substances are compared with reported values. An error less than 3% can be achieved for samples of limited size and sufficiently free from ferromagnetic impurities.
Keywords :
Faraday effect; calibration; force measurement; magnetic sensors; magnetic susceptibility; measurement errors; microbalances; 4 cm; 4.5 cm; 5 cm; Faraday microbalance magnet; Henry profile pole caps; absolute susceptibility measurement; calibration; comparative study; error; ferromagnetic impurities; magnetic microbalance; pole caps; standard substances; Calibration; Electromagnetic measurements; Electromagnets; Equations; Force measurement; Impurities; Magnetic field measurement; Magnetic levitation; Magnetic susceptibility; Micromagnetics;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1998 Conference on
Conference_Location :
Washington, DC, USA
Print_ISBN :
0-7803-5018-9
DOI :
10.1109/CPEM.1998.700067
