Prudent Avoidance in Exposure to Extremely Low Frequency (ELF) Fields
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Abstract
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The extremely low frequency (ELF) radiation from various laptops and monitors model was investigated
using a cell sensor manufactured by Action Electronic, USA that is optimized to measure
radiofrequency and extremely low frequency radiation. The ELF measured vary between 0.05 and 2.5
mG for all the laptops/monitors studied however, Hp Pavilion dv6000 laptop was considered to emit
highest ELF in all the laptops/monitors studied as it has 1.5 mG at 30 cm and 0.05 mG even at 100 cm
from the screen and this value is more that the specified exposure limit of 1 mG at 30 cm. This work
reveals that those using laptops/monitors are exposed to ELF radiation the amount now depend on the
model of laptops/monitors used. There is need for standard regulation/policy on the brand of monitors
and laptops imported to this country in order to reduce the ELF exposure incurred in the use of all
these appliances and to avoid health challenges that can result from exposure to ELF radiation obtain
from laptop/monitors.
Keywords
QC Physics