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2. Indoor–outdoor thermometer - Wikipedia

   en.wikipedia.org/wiki/Indoor–outdoor_thermometer

   In an indoor–outdoor thermometer based on a conventional liquid-in-glass thermometer, the stem of the outdoor thermometer is connected to the bulb by a long, flexible or semi-rigid capillary. The temperature scale is marked on the stem as usual. However, the temperature that is actually measured is the temperature at the bulb. [1]

3. 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.

4. Wet-bulb globe temperature - Wikipedia

   en.wikipedia.org/wiki/Wet-bulb_globe_temperature

   The NWS office in Tulsa, Oklahoma, in conjunction with Oral Roberts University's mathematics department, published an approximation formula to the WBGT that takes into account cloud cover and wind speed; in limited experimentation (four samples), the office claimed the estimate was regularly accurate to within 0.5 °F (0.28 °C), even with a ...

5. 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:

6. Stevenson screen - Wikipedia

   en.wikipedia.org/wiki/Stevenson_screen

   It forms part of a standard weather station and holds instruments that may include thermometers (ordinary, maximum/minimum), a hygrometer, a psychrometer, a dewcell, a barometer, and a thermograph. Stevenson screens may also be known as a cotton region shelter, an instrument shelter, a thermometer shelter, a thermoscreen, or a thermometer screen.

7. Mean radiant temperature - Wikipedia

   en.wikipedia.org/wiki/Mean_radiant_temperature

   A handheld wet-bulb globe temperature meter, including a black-globe thermometer (left). The MRT can be estimated using a black-globe thermometer.The black-globe thermometer consists of a black globe in the center of which is placed a temperature sensor such as the bulb of a mercury thermometer, a thermocouple or a resistance probe.

8. List of measuring instruments - Wikipedia

   en.wikipedia.org/wiki/List_of_measuring_instruments

   Liquid crystal thermometer; Liquid thermometer principle: relation between temperature and volume of a liquid (coefficient of thermal expansion). Alcohol thermometer; Mercury-in-glass thermometer; Pyranometer principle: solar radiation flux density relates to surface temperature (Stefan–Boltzmann law)

9. Infrared thermometer - Wikipedia

   en.wikipedia.org/wiki/Infrared_thermometer

   The ideal target area should be at least twice the size of the spot at that distance, [4] with smaller areas relative to distance resulting in less accurate measurement. [ citation needed ] An infrared thermometer should not be placed too close to its target, as this proximity could cause heat to build up in the thermometer's housing and damage ...