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Cost-efficient oceanographic instrument with microfabricated sensors for measuring conductivity, temperature and depth of seawater [Elektronski vir]Možek, Matej ; Pečar, Borut, 1982- ; Vrtačnik, DaniloThe design, fabrication and characterization of a cost-efficient oceanographic instrument with microfabricated sensors for measuring conductivity, temperature and depth of seawater are presented. ... Conductivity and temperature sensors were fabricated using MEMS technology, which allows for customized small footprints and low production costs. Dedicated electronics for reading, processing and storing acquired sensor data are described. The developed instrument enables the measurement of seawater conductivity in a range from 4 mS/cm to 70 mS/cm. The conductivity measurement is temperature-compensated in the range from 2 °C to 40 °C, with an accuracy of ±0.1 mS/cm. The temperature sensor’s stability is 0.025 °C. The depth/pressure measurement range is up to 2000 m/200 bar, with a resolution of 0.1 bar. Temperature and conductivity sensor performance was assessed using laboratory equipment and designed electronics. The conductivity sensor was temperature-compensated to 0.01 mS/cm. The conductivity sensor electrode corrosion effect is presented below and was eliminated through adaptation of a signal acquisition circuit. Custom software was developed for monitoring critical conductivity sensor parameters (currents, voltages). A variation of 0.4% between cell conductance currents and voltages was established as a criterion for stable conductivity sensor operation.Source: Sensors [Elektronski vir]. - ISSN 1424-8220 (Vol. 24, iss. 12, [article no.] 3940, Jun.-2 2024, 28 str.)Type of material - e-articlePublish date - 2024Language - englishCOBISS.SI-ID - 199466755
Author
Možek, Matej |
Pečar, Borut, 1982- |
Vrtačnik, Danilo
Topics
mikroobdelava |
MEMS |
prevodnost |
temperatura |
globina |
NAUTILOS |
meritve morja |
microfabrication |
MEMS |
conductivity |
temperature |
depth |
NAUTILOS |
marine measurement
Author | Možek, Matej ; Pečar, Borut, 1982- ; Vrtačnik, Danilo |
Title | Cost-efficient oceanographic instrument with microfabricated sensors for measuring conductivity, temperature and depth of seawater [Elektronski vir] |
Publication date | 2024-06-18 |
COBISS.SI-ID | 199466755 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Unidentified |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
New Approach to Underwater Technologies for Innovative, Low-cost Ocean obServation | NAUTILOS | 101000825 |
European Commission |
Files that belong to the publication
Link |
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https://www.mdpi.com/1424-8220/24/12/3940 |
https://repozitorij.uni-lj.si/IzpisGradiva.php?id=158886 |
Costs of publication
Cost type | Total cost | Payments |
---|---|---|
APC – Article Processing Charge | 2690.99 € |
2690.99 € : Univerza v Ljubljani, Fakulteta za elektrotehniko |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Možek, Matej | 20186 |
Pečar, Borut, 1982- | 30683 |
Vrtačnik, Danilo | 04383 |
Source: Personal bibliographies
and: SICRIS
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