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  2. Resistance thermometer - Wikipedia

    en.wikipedia.org/wiki/Resistance_thermometer

    Resistance thermometers, also called resistance temperature detectors (RTDs), are sensors used to measure temperature. Many RTD elements consist of a length of fine wire wrapped around a heat-resistant ceramic or glass core but other constructions are also used. The RTD wire is a pure material, typically platinum (Pt), nickel (Ni), or copper ...

  3. Temperature measurement - Wikipedia

    en.wikipedia.org/wiki/Temperature_measurement

    A medical/clinical thermometer showing the temperature of 38.7 °C (101.7 °F) Temperature measurement (also known as thermometry) describes the process of measuring a current temperature for immediate or later evaluation. Datasets consisting of repeated standardized measurements can be used to assess temperature trends.

  4. 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.

  5. Minimum resolvable temperature difference - Wikipedia

    en.wikipedia.org/wiki/Minimum_resolvable...

    Minimum resolvable temperature difference (MRTD) is a measure for assessing the performance of infrared cameras, and is inversely proportional to the modulation transfer function. Typically, an operator is asked to assess the minimum temperature difference at which a 4-bar target can be resolved .

  6. Thermocouple - Wikipedia

    en.wikipedia.org/wiki/Thermocouple

    Two Ways to Measure Temperature Using Thermocouples; Thermocouple data tables: Text tables: NIST ITS-90 Thermocouple Database (B, E, J, K, N, R, S, T) PDF tables: J K T E N R S B; Python package thermocouples_reference containing characteristic curves of many thermocouple types. R package Temperature Measurement with Thermocouples, RTD and IC ...

  7. RTD - Wikipedia

    en.wikipedia.org/wiki/RTD

    Resistance Temperature Detector, a resistance thermometer; RTD is also used to rate or describe plywood manufacturing processes where RTD sensors significantly reduce the delamination caused by insufficient heating of the plywood during the press cycle.

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  9. 3ω-method - Wikipedia

    en.wikipedia.org/wiki/3ω-method

    The 3ω-method (3 omega method) or 3ω-technique, is a measurement method for determining the thermal conductivities of bulk material (i.e. solid or liquid) and thin layers. The process involves a metal heater applied to the sample that is heated periodically. The temperature oscillations thus produced are then measured.

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