Francais | English | Espanõl

From Wikipedia, the free encyclopedia

The Steinhart-Hart equation is a model of the resistivity of a semiconductor at different temperatures. The equation is:

<math>{1 \over T} = A + B \ln(\rho) + C (\ln(\rho))^3 \,</math>

where:

• <math>T</math> is the temperature (in kelvins)
• <math>\rho</math> is the resistivity (In Ohms)
• <math>A</math>, <math>B</math>, <math>C</math> are the Steinhart-Hart coefficients which vary depending on the type and model of thermistor and the temperature range of interest.

[edit] Developers of the Equation

The equation is named after John S. Steinhart and Stanley R. Hart who first published the relationship in 1968<ref>Steinhart, J. S. and S. R. Hart, "Calibration curves for thermistors", Deep Sea Res., 15, 497-503 (1968).</ref>. 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.

[edit] References

<references/>