Sistem Monitoring Ketinggian Cairan Infus Berbasis Sensor Serat Optik Evanescent

Authors

  • Adila Nadia Laboratorium Elektronika dan Instrumentasi, Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Andalas
  • Rahmat Rasyid Laboratorium Elektronika dan Instrumentasi, Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Andalas
  • Harmadi Harmadi Laboratorium Elektronika dan Instrumentasi, Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.8.4.321-328.2019

Abstract

Telah dirancang sistem monitoring ketinggian cairan infus berbasis sensor serat optik evanescent. Sensor serat optik digunakan untuk memonitor ketinggian cairan infus berdasarkan perubahan tegangan keluaran fotodetektor OPT101 terhadap ketinggian cairan infus. Perubahan tegangan keluaran terjadi akibat perubahan intensitas cahaya yang diterima oleh fotodetektor akibat rugi daya pada saat melewati serat optik. Cairan infus yang digunakan yaitu cairan infus NaCl 0,9%. Rancang bangun sistem monitoring ketinggian cairan infus terdiri dari sumber cahaya berupa dioda laser, serat optik FD-620-10 step index multimode, fotodetektor OPT101, mikrokontroler arduino uno sebagai pengolah sinyal dan LCD sebagai penampil kondisi infus. Berdasarkan data pengujian dan analisis yang telah dilakukam maka disimpulkan bahwa rancangan sistem monitoring ketinggian cairan infus berbasis sensor serat optik evanescent telah mampu memonitoring ketinggian cairan infus dengan ketepatan rata-rata 92,73%. Hasil monitoring ketinggian cairan infus diamati dengan 2 kondisi yaitu aman dan awas yang ditampilkan pada LCD, lampu indikator LED dan bunyi pada buzzer.

Kata kunci: evanescent, fotodetektor,  infus, serat optik.

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Published

2019-11-26

Issue

Vol. 8 No. 4 (2019)

Section

Articles

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Copyright (c) 2019 Adila Nadia, Rahmat Rasyid, Harmadi Harmadi

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