Paper Info
Title
Design and Development of a Low-Cost Digital Magnetic Field Meter With Wide Dynamic Range for EMC Precompliance Measurements and Other Applications
Abstract
The design and development of a low-cost, portable, and easy-to-operate instrument that can measure static and time-varying magnetic fields for electromagnetic-compatibility (EMC) precompliance and other applications are presented in this paper. The basic sensor used is a Hall-effect element. The instrument has an accuracy of 0.5% and a wide bandwidth of 30 kHz. The resolution of the meter is 12.5 mG, enabling accurate measurement of small fields, such as the geomagnetic field. Isotropic and linear detection of magnetic fields is possible with true root-mean-square (RMS) measurement. Other desirable features, such as maximum hold, data logging, and computer interface, are also incorporated. A graphical user interface (GUI) has been developed for computer interface and data presentation. A Helmholtz coil and a Zero-Gauss chamber have been used for design validation. A low-cost EMC precompliance test setup, based on the proposed work, is also presented. All the design details and measurement results are presented. Apart from being low cost and accurate, the proposed meter has a lower part count and involves a simple design-and-fabrication process.
Year
DOI
Venue
2009
10.1109/TIM.2009.2016367
Instrumentation and Measurement, IEEE Transactions
Keywords
Field
DocType
Hall effect devices,electrical engineering computing,electromagnetic compatibility,graphical user interfaces,magnetic field measurement,magnetic sensors,EMC precompliance measurements,GUI,Hall-effect element,Helmholtz coil,data presentation,design-and-fabrication process,electromagnetic-compatibility precompliance,geomagnetic field,graphical user interface,isotropic detection,linear detection,low-cost digital magnetic field meter,root-mean-square measurement,time- varying magnetic fields,zero-Gauss chamber,Electromagnetic compatibility (EMC),Hall-effect sensor,Helmholtz coil,electromagnetic interference (EMI),magnetic field,precompliance
Wide dynamic range,Data logger,Dynamic range,Hall effect sensor,Electronic engineering,Electromagnetic compatibility,Graphical user interface,Helmholtz coil,Electrical engineering,Mathematics,Interface (computing)
Journal
Volume
Issue
ISSN
58
8
0018-9456
Citations 
PageRank 
References 
2
0.44
8
Authors
2
Name
Order
Citations
PageRank
Sandeep M. Satav120.44
Vivek Agarwal214527.82