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  2. Temperature measurement - Wikipedia

    en.wikipedia.org/wiki/Temperature_measurement

    Such thermometers are usually calibrated so that one can read the temperature simply by observing the level of the fluid in the thermometer. Another type of thermometer that is not really used much in practice, but is important from a theoretical standpoint, is the gas thermometer. Other important devices for measuring temperature include:

  3. Liquid crystal thermometer - Wikipedia

    en.wikipedia.org/wiki/Liquid_crystal_thermometer

    The resolution of liquid crystal sensors is in the 0.1 °C (0.2 °F) range. Disposable liquid crystal thermometers have been developed for home and medical use. For example if the thermometer is put onto someone's forehead, it will change colour depending on the temperature of the person's body. There are two stages in the liquid crystals:

  4. Wet-bulb globe temperature - Wikipedia

    en.wikipedia.org/wiki/Wet-bulb_globe_temperature

    It is used by industrial hygienists, athletes, sporting events and the military to determine appropriate exposure levels to high temperatures. A WBGT meter combines three sensors, a dry-bulb thermometer, a natural (static) wet-bulb thermometer, and a black globe thermometer.

  5. Resistance thermometer - Wikipedia

    en.wikipedia.org/wiki/Resistance_thermometer

    RTDs in industrial applications are rarely used above 660 °C. At temperatures above 660 °C it becomes increasingly difficult to prevent the platinum from becoming contaminated by impurities from the metal sheath of the thermometer. This is why laboratory standard thermometers replace the metal sheath with a glass construction.

  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.

  7. Amazon’s best-selling thermometer has over 44,000 five-star ...

    www.aol.com/article/lifestyle/2020/11/24/amazons...

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  8. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    Calorimeters are called active or heated if they heat the sample, or reformulated: if they are gauged to fill the sample with a defined amount of entropy. Actinometer heating power of radiation. Constant-temperature calorimeter , phase change calorimeter for example an ice calorimeter or any other calorimeter observing a phase change or using a ...

  9. Mercury-in-glass thermometer - Wikipedia

    en.wikipedia.org/wiki/Mercury-in-glass_thermometer

    A medical mercury-in-glass maximum thermometer showing the temperature of 38.7 °C (101.7 °F). One special kind of mercury-in-glass thermometer, called a maximum thermometer, works by having a constriction in the neck close to the bulb. As the temperature rises, the mercury is pushed up through the constriction by the force of expansion.

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