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2. Fiber-optical thermometer - Wikipedia

   en.wikipedia.org/wiki/Fiber-optical_thermometer

   Fiber-optical thermometers can be used in electromagnetically strongly influenced environment, in microwave fields, power plants or explosion-proof areas and wherever measurement with electrical temperature sensors are not possible.

3. Resistance thermometer - Wikipedia

   en.wikipedia.org/wiki/Resistance_thermometer

   Resistance thermometers, ... It is still possible to find older probes that are made with platinum that have α = 0.003916 Ω/(Ω·°C) and 0.003902 Ω/(Ω·°C).

4. Liquid crystal thermometer - Wikipedia

   en.wikipedia.org/wiki/Liquid_crystal_thermometer

   In medical applications, liquid crystal thermometers may be used to read body temperature by placing them against the forehead. These are safer than a mercury-in-glass thermometer [ citation needed ] , and may be advantageous in some patients, but do not always give an exact result, except for the analytic liquid crystal thermometer which shows ...

5. Thermometer - Wikipedia

   en.wikipedia.org/wiki/Thermometer

   Thermometers are used in roadways in cold weather climates to help determine if icing conditions exist. Indoors, thermistors are used in climate control systems such as air conditioners, freezers, heaters, refrigerators, and water heaters. [56] Galileo thermometers are used to measure indoor air temperature, due to their limited measurement range.

6. Galileo thermometer - Wikipedia

   en.wikipedia.org/wiki/Galileo_thermometer

   In the Galileo thermometer, the small glass bulbs are partly filled with different-colored liquids. The composition of these liquids is mainly water; some contain a tiny percent of alcohol, but that is not important for the functioning of the thermometer; they merely function as fixed weights, with their colors denoting given temperatures.

7. Indoor–outdoor thermometer - Wikipedia

   en.wikipedia.org/wiki/Indoor–outdoor_thermometer

   Indoor-outdoor electronic thermometers are a frequent hobbyist project and are sometimes sold as kits. Many indoor-outdoor thermometers on sale are wireless devices requiring no physical connection to the sensor placed outside. In these cases the sensor needs to be battery-powered. [4]