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2. 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:

3. Thermometer - Wikipedia

   en.wikipedia.org/wiki/Thermometer

   Forehead thermometer is an example of a liquid crystal thermometer. Rectal and oral thermometers have typically been mercury but have since largely been superseded by NTC thermistors with a digital readout. [59] Various thermometric techniques have been used throughout history such as the Galileo thermometer to thermal imaging. [45]

4. List of measuring instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_measuring_instruments

   Concerning a given sample, a proportionality factor relating temperature change and energy carried by heat. If the sample is a gas, then this coefficient depends significantly on being measured at constant volume or at constant pressure.

5. Category:Thermometers - Wikipedia

   en.wikipedia.org/wiki/Category:Thermometers

   Pages in category "Thermometers" The following 47 pages are in this category, out of 47 total. This list may not reflect recent changes. ...

6. Thermodynamic instruments - Wikipedia

   en.wikipedia.org/wiki/Thermodynamic_instruments

   A meter does not perform its task accurately if it behaves like a reservoir of the state variable it is trying to measure. If, for example, a thermometer, were to act as a temperature reservoir it would alter the temperature of the system being measured, and the reading would be incorrect.

7. 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: