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Design of a highly accurate low-cost thermistor-based sensor for the measurement of water surface temperatures in maritime research
Citation Link: https://doi.org/10.15480/882.13238
Other Titles
P07 - Design of a highly accurate low-cost thermistor-based sensor for the measurement of water surface temperatures in maritime research
Publikationstyp
Conference Poster
Date Issued
2024
Sprache
English
Author(s)
TORE-DOI
Start Page
430
End Page
437
Citation
22. GMA/ITG-Fachtagung Sensoren und Messsysteme 2024 : NürnbergConvention Center, 11. und 12. Juni 2024 / VDI/VDE-Gesellschaft Mess- und Automatisierungstechnik (GMA), ITG im VDE. - 2024. - Seite 430-437
Contribution to Conference
Publisher DOI
Publisher
AMA Service GmbH
ISBN
978-3-910600-01-0
Peer Reviewed
false
In climate and oceanographic research, precise temperature measurements within the very limited temperature range of the ocean are essential. This paper covers the design and analysis of a temperature sensor that measures with millikelvin accuracy. The first prototype has an energy consumption of 84.64 mWs with a sampling time of 10 seconds per measurement and a component cost of less than 100 EUR. The proposed design is able to measure within 6 mK accuracy on a subset measurement range despite a simple three-point calibration. The core circuit is enhanced with two temperature sensing elements to allow for an increase in sensor sensitivity. A further approach on sensor readout is proposed and analyzed, showing good potential in combination with linearized temperature compensation for the major part of this sensors range.
Subjects
temperature
oceanography
thermistor
water surface
sensor
DDC Class
621.3: Electrical Engineering, Electronic Engineering
Publication version
publishedVersion
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Name
P07.pdf
Type
Main Article
Size
1.23 MB
Format
Adobe PDF