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Tatag Lindu Bhakti
Department of Computer Engineering, Universitas Nahdlatul Ulama Yogyakarta. Jl. Lowanu No.47, Sorosutan, Kec. Umbulharjo, Daerah Istimewa Yogyakarta 55162|Universitas Nahdlatul Ulama Yogyakarta
Computer Science & IT Electrical & Electronics Engineering

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Sistem sensor untuk pemantauan kadar oksigen terlarut berbasis galvanik pada kolam budidaya ikan air tawar Damar Wicaksono; Tatag Lindu Bhakti; Restiadi Bayu Taruno; Melvin Rahma Sayuga Subroto; Anita Mustikasari
Jurnal Teknologi dan Sistem Komputer Volume 9, Issue 2, Year 2021 (April 2021)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jtsiskom.2021.13996

Abstract

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.
Co-Authors Anita Mustikasari Damar Wicaksono Melvin Rahma Sayuga Subroto Restiadi Bayu Taruno