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Steinhart-Hart equationThe Steinhart-Hart equation is a model of the resistance of a semiconductor at different temperatures. The equation is: Additional recommended knowledgewhere:
Uses of the equationThe equation is often used to derive a precise temperature of a thermistor since it provides a closer approximation to actual temperature than simpler equations, and is useful over the entire working temperature range of the sensor. Steinhart-Hart coefficients are usually published by thermistor manufacturers. Where Steinhart-Hart coefficients are not available, but three accurate measures of resistance are made at precise temperatures, then the coefficients may be derived by solving three simultaneous equations. Developers of the equationThe equation is named after John S. Steinhart and Stanley R. Hart who first published the relationship in 1968[1]. Professor Steinhart (1929-2003), a fellow of the American Geophysical Union and of the American Association for the Advancement of Science, was a member of the faculty of University of Wisconsin-Madison from 1969-1991[1]. Dr. Hart, a Senior Scientist at Woods Hole Oceanographic Institution since 1989 and fellow of the Geological Society of America, the American Geophysical Union, the Geochemical Society and the European Association of Geochemistry, [2] was associated with Professor Steinhart at the Carnegie Institution of Washington when the equation was developed. References
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Steinhart-Hart_equation". A list of authors is available in Wikipedia. |