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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Steinhart–Hart equation ： ウィキペディア英語版 Steinhart–Hart equation The Steinhart–Hart equation is a model of the resistance of a semiconductor at different temperatures. The equation is: :$=\; A\; +\; B\; \backslash ln(R)\; +\; C\; ()^3\; ,$ where: * $T$ is the temperature (in Kelvins) * $R$ is the resistance at ''T'' (in ohms) * $A$, $B$, and $C$ are the Steinhart–Hart coefficients which vary depending on the type and model of thermistor and the temperature range of interest. (The most general form of the applied equation contains a $()^2$ term, but this is frequently neglected because it is typically much smaller than the other coefficients, and is therefore not shown above.) ==Uses of the equation== The 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, they can be derived. Three accurate measures of resistance are made at precise temperatures, then the coefficients are derived by solving three simultaneous equations. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Steinhart–Hart equation」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.