A thermometer is a device which measures temperature or temperature gradient, using a variety of different principles. There are various types of thermometers, with thermometers used for medical purposes being amongst the most well known type.

Types of thermometers

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Thermometers have been built which utilise a range of physical effects to measure temperature. Most thermometers are originally calibrated to a constant-volume gas thermometer.

• Mercury-in-glass thermometer
• Bi-metal mechanical thermometer
• Electrical resistance thermometer
• Galileo thermometer
• Infrared thermometer
• Liquid Crystal Thermometer
• Maximum minimum thermometer
• Reversing thermometer
• Silicon bandgap temperature sensor
• Six's thermometer
• Thermistor
• Thermocouple

Specialist uses of thermometers

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• Laboratory thermometer
• Meat thermometer
• Medical thermometer
• Room thermometer

See also

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• Timeline of temperature and pressure measurement technology

External links

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• Development of the thermometer
• Making a Homemade Thermometer

Thermometers | Meteorological instrumentation and equipment

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