Adedayo Kayode; Ashidi Ayodeji; Oloruntoke Oluseye; Ewetumo Theophilus

Alternative Device for Non-Ionizing Radiation Detection

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Author(s)

Adedayo Kayode ¹ Ashidi Ayodeji ^1,* Oloruntoke Oluseye ¹ Ewetumo Theophilus ¹

1. Department of Physics, Federal University of Technology, Akure, PMB 704, Akure, Nigeria

* Corresponding author.

DOI: https://doi.org/10.5815/ijem.2019.05.02

Received: 20 May 2019 / Revised: 31 May 2019 / Accepted: 12 Jun. 2019 / Published: 8 Sep. 2019

Index Terms

Non-ionizing radiation, electromagnetic field, operational amplifier, electrical appliances, radiation detector

Abstract

Detection of non-ionizing electromagnetic radiation is central to managing health and environmental hazards resulting from its exposure. This research focused on the design and development of a non-ionizing electromagnetic radiation detector that is sensitive to the medium frequency of 50Hz to 30MHz and their corresponding power density. The device consists of the sensing, amplifying, filtering and microcontroller sections. The sensing section is made up of a coil wound on a ferrite rod, it detects radiations from the surroundings and converts it to a voltage signal. The voltage produced is then fed to the operational amplifiers in the amplifying section. Afterwards, the output signal is fed to the filtering section where unwanted signals are eliminated. The analogue signal output from the active filter is then fed to the microcontroller section where it is converted to a digital signal through the analogue to digital converter (ADC). The ADC then presents the converted signal in a readable form to be displayed on the liquid crystal display (LCD). The developed equipment was calibrated (in µW/cm2) using an existing detector EMF DT 1130. With an average calibration coefficient value of 2.32, the detector was found to perform excellently well at both medium and low-frequency ranges.

Cite This Paper

Adedayo Kayode, Ashidi Ayodeji, Oloruntoke Oluseye, Ewetumo Theophilus. "Alternative Device for Non-Ionizing Radiation Detection", International Journal of Engineering and Manufacturing(IJEM), Vol.9, No.5, pp.23-33, 2019. DOI: 10.5815/ijem.2019.05.02

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