A galvanic-based dissolved oxygen level monitoring sensor system in freshwater ponds

Jurnal Teknologi dan Sistem Komputer

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Title A galvanic-based dissolved oxygen level monitoring sensor system in freshwater ponds
Sistem sensor untuk pemantauan kadar oksigen terlarut berbasis galvanik pada kolam budidaya ikan air tawar
 
Creator Wicaksono, Damar
Bhakti, Tatag Lindu
Taruno, Restiadi Bayu
Subroto, Melvin Rahma Sayuga
Mustikasari, Anita
 
Subject sensors design; dissolved oxygen; electrode; water; membrane
desain sensor; dissolved oxygen; elektroda; air tawar; membran
 
Description This study aims to develop low-cost and environmentally friendly material galvanic-based dissolved oxygen sensors. A Dissolved oxygen (DO) sensor has been designed and fabricated on an 85 x 205 mm galvanic-based. The sensor structure device consists of Al-Zn reference layer electrode, Ag/AgCl active electrode, 120ml KCl electrolyte solvent 0,1 M, and closed by TiO2 membrane (PTFE). The Al-Zn formation reference electrode was done by Ag layer chlorination using FeCl3, and the TiO2 membrane was formed by TiO2 paste screen printing. The test was done to measure the sensor’s performance based on the current-voltage characteristics between 1.0 and 1.8 V. The results showed that a stable diffusion current was obtained when the input voltage was 1.5 V, resulting in the best sensor performance with a sensitivity of 0.7866 μA L/mg and a stable step response time of 3 mins. This prototype sensor showed high potential for prototyping for a low-cost water quality monitoring system.
Penelitian ini bertujuan mengembangkan sensor oksigen terlarut berbasis galvanik yang ramah lingkungan dan terjangkau oleh masyarakat. Struktur desain sensor ini terdiri dari lapisan elektroda referensi Al-Zn, elektroda aktif Ag / AgCl, pelarut elektrolit KCl 120 ml 0,1 M, dan ditutup dengan membran TiO2 (PTFE). Pembentukan elektroda referensi Al-Zn dilakukan dengan klorinasi lapisan Ag menggunakan FeCl3 dan membran TiO2 dibentuk dengan sablon pasta TiO2. Pengujian dilakukan untuk mengukur kinerja sensor berdasarkan karakteristik tegangan arus antara 1,0 sampai 1,8 V. Hasil penelitian menunjukkan bahwa arus difusi yang stabil diperoleh pada saat tegangan input 1,5 V dan menghasilkan kinerja sensor terbaik dengan sensitivitas 0,7866 μA L/mg dan waktu respons langkah stabil 3 menit. Prototipe sensor ini menunjukkan potensi yang sangat tinggi untuk digunakan dalam sistem pemantauan kualitas air online berbiaya rendah.
 
Publisher Departemen Teknik Komputer, Fakultas Teknik, Universitas Diponegoro
 
Date 2021-04-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier https://jtsiskom.undip.ac.id/article/view/13996
10.14710/jtsiskom.2021.13996
 
Source Jurnal Teknologi dan Sistem Komputer; Volume 9, Issue 2, Year 2021 (April 2021); 83-89
Jurnal Teknologi dan Sistem Komputer; Volume 9, Issue 2, Year 2021 (April 2021); 83-89
2338-0403
 
Language ind
 
Relation https://jtsiskom.undip.ac.id/article/view/13996/12677
 
Rights Copyright (c) 2021 The Authors. Published by Department of Computer Engineering, Universitas Diponegoro
https://creativecommons.org/licenses/by-sa/4.0
 

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