Analysis of Improved Low Cost Transmissive Formaldehyde (CH2O) Ultraviolet Gas Sensor

Authors

  • Mohamad Shahrulnizam Zakaria Faculty of Electrical Engineering, Universiti Teknologi Malaysia
  • Mohd Rashidi Salim Faculty of Electrical Engineering, Universiti Teknologi Malaysia
  • Mohd Haniff Ibrahim Faculty of Electrical Engineering, Universiti Teknologi Malaysia
  • Asrul Izam Azmi Faculty of Electrical Engineering, Universiti Teknologi Malaysia
  • Ahmad Sharmi Abdullah Faculty of Electrical Engineering, Universiti Teknologi Malaysia
  • Muhammad Yusof Mohd Noor Faculty of Electrical Engineering, Universiti Teknologi Malaysia
  • Nor Hafizah Ngajikin Faculty of Electrical Engineering, Universiti Teknologi Malaysia
  • Hadi Manap Faculty of Engineering Technology, Universiti Malaysia Pahang

DOI:

https://doi.org/10.11113/elektrika.v16n2.57

Keywords:

CH2O, Transmissive Gas Sensor, Ultraviolet, Efficiency, Compound Parabolic Concentrator, ZEMAX®12

Abstract

The Ultraviolet gas sensor specifically designed for Formaldehyde (CH2O) which consists of low cost components has been simulated using ZEMAX®12. The transmissive gas cell design used aluminum material that is robust and inert material to increase its performance. CAF2 lens has been replaced with CAF2 window to reduce the construction cost. Therefore, to collimate the light, compound parabolic concentrator (CPC) structure attached at both ends of the gas cell. The simulated results show the improved gas cell with CAF2 windows and truncated CPC structure yields the initial power efficiency of 60.72%. However, when the optical path length of the gas sensor being adjusted and reduced down to 25 mm, the power efficiency increases to 66.82% with peak irradiance and output power of 0.2511 W/cm2 and 0.2673 mW respectively.

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Published

2017-08-29

How to Cite

Zakaria, M. S., Salim, M. R., Ibrahim, M. H., Azmi, A. I., Abdullah, A. S., Mohd Noor, M. Y., … Manap, H. (2017). Analysis of Improved Low Cost Transmissive Formaldehyde (CH2O) Ultraviolet Gas Sensor. ELEKTRIKA- Journal of Electrical Engineering, 16(2), 16–21. https://doi.org/10.11113/elektrika.v16n2.57

Issue

Vol. 16 No. 2 (2017): August

Section

Articles

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