<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Human exposure to extremely low frequency magnetic field represents a risk to their health. This paper takes into consideration the level of an extremely low-frequency magnetic field between 30 and 300 Hz emitted by an AC laptop adapter. The experiment consists of testing 17 different AC adapters for laptops. During the testing, laptops are operated in a normal operating conditions as well as under heavy load. The magnetic field measurement is conducted in the area around the AC adapter. Obtained data is evaluated according to the critical level of the magnetic field proposed by safety standards. Furthermore, data is classified by a K-medians method in order to determine the critical levels of the magnetic field exposure in the nearby area of the AC adapter. Obtained classifications are evaluated according to safety standards, giving a critical analysis of magnetic field areas at risk. Due to emission of a very strong magnetic field in certain areas, a recommendation for safety use of the AC adapter is proposed.</p></abstract>

Human exposure to extremely low frequency magnetic field represents a risk to their health. This paper takes into consideration the level of an extremely low-frequency magnetic field between 30 and 300 Hz emitted by an AC laptop adapter. The experiment consists of testing 17 different AC adapters for laptops. During the testing, laptops are operated in a normal operating conditions as well as under heavy load. The magnetic field measurement is conducted in the area around the AC adapter. Obtained data is evaluated according to the critical level of the magnetic field proposed by safety standards. Furthermore, data is classified by a K-medians method in order to determine the critical levels of the magnetic field exposure in the nearby area of the AC adapter. Obtained classifications are evaluated according to safety standards, giving a critical analysis of magnetic field areas at risk. Due to emission of a very strong magnetic field in certain areas, a recommendation for safety use of the AC adapter is proposed.

Range Detection of the Extremely Low-Frequency Magnetic Field Produced by Laptop’s AC Adapter

University of Belgrade, Technical Faculty in Bor, Vojske Jugoslavije 12, 19210 Bor,

DIMES University of Calabria, Via Pietro Bucci Cube 44, 87036 Rende (CS),

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Human exposure to extremely low frequency magnetic field represents a risk to their health. This paper takes into consideration the level of an extremely...

Range Detection of the Extremely Low-Frequency Magnetic Field Produced by Laptop’s AC Adapter

Published Online: Feb 23, 2017

Page range: 1 - 8

Received: Oct 23, 2016

Accepted: Jan 30, 2017

DOI: https://doi.org/10.1515/msr-2017-0001

Keywords
AC adapter, classification, dangerous levels, magnetic field, measurement

© 2017 Darko Brodić et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Range Detection of the Extremely Low-Frequency Magnetic Field Produced by Laptop’s AC Adapter

Published Online: Feb 23, 2017

Page range: 1 - 8

Received: Oct 23, 2016

Accepted: Jan 30, 2017

DOI: https://doi.org/10.1515/msr-2017-0001

KeywordsAC adapter, classification, dangerous levels, magnetic field, measurement

© 2017 Darko Brodić et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
AC adapter, classification, dangerous levels, magnetic field, measurement