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NOAA’s Low-Cost, High-Precision Sea Temperature Sensor

Dept. of Commerce
NOAA sea temperature sensor

Low-Cost, High-Precision Sea Temperature Sensor (Photo credit: NOAA)

Staff at the National Oceanic and Atmospheric Administration’s (NOAA) Atlantic Oceanographic and Meteorological Laboratory (AOML) have developed a new, inexpensive (roughly US $9 in parts), and high-precision sea temperature sensor that improves the ability to monitor temperatures at coral reefs. The sensor can provide highly accurate measurements that enable researchers to observe temperature variations at multiple locations at reef sites.  This new sensor autonomously records temperatures onto a memory chip and provides better accuracy than comparable commercial sensors. It can remain submerged for over one year without a battery change, and it is not difficult to build-–anyone who knows how to solder can build one.

The AOML conducts research to understand the physical, chemical, and biological characteristics and processes of the ocean and the atmosphere. The principal focus of these investigations is to advance knowledge that leads to more accurate forecasting of severe storms, better use and management of marine resources, better understanding of the factors affecting both climate and environmental quality, and improved ocean and weather services for the nation.

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