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  2. Resistance thermometer - Wikipedia

    en.wikipedia.org/wiki/Resistance_thermometer

    By far the most common devices used in industry have a nominal resistance of 100 ohms at 0 °C and are called Pt100 sensors ("Pt" is the symbol for platinum, "100" for the resistance in ohms at 0 °C). It is also possible to get Pt1000 sensors, where 1000 is for the resistance in ohms at 0 °C.

  3. Callendar–Van Dusen equation - Wikipedia

    en.wikipedia.org/wiki/Callendar–Van_Dusen_equation

    The Callendar–Van Dusen equation is an equation that describes the relationship between resistance (R) and temperature (T) of platinum resistance thermometers (RTD). As commonly used for commercial applications of RTD thermometers, the relationship between resistance and temperature is given by the following equations.

  4. Hugh Longbourne Callendar - Wikipedia

    en.wikipedia.org/wiki/Hugh_Longbourne_Callendar

    Werner von Siemens was the first to propose the use of a platinum resistance temperature detector in 1860, although his instrument readings were unstable. [2] Callendar developed an equation for the resistance of metal as a function of temperature, which was accurate to within 1% from 0-600 °C. [2]

  5. Platinum-resistance thermometer - Wikipedia

    en.wikipedia.org/?title=Platinum-resistance...

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  6. Thermometer - Wikipedia

    en.wikipedia.org/wiki/Thermometer

    An example of a reference thermometer used to check others to industrial standards would be a platinum resistance thermometer with a digital display to 0.1 °C (its precision) which has been calibrated at 5 points against national standards (−18, 0, 40, 70, 100 °C) and which is certified to an accuracy of ±0.2 °C. [43]

  7. Platinum resistance thermometer - Wikipedia

    en.wikipedia.org/?title=Platinum_resistance...

    This page was last edited on 8 September 2006, at 21:07 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

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