Thermometer

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.

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Timeline

1741 Anders Celsius Anders Celsius

Anders Celsius was a Swedish [i] astronomer [i]. ...

develops his own thermometer scale Celsius Celsius

The Celsius scale is a temperature [i] scale named after the Swedish [i] astronomer Anders Celsius [i] ...

Encyclopedia

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

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 Mercury-in-glass thermometer

A mercury-in-glass thermometer is a thermometer [i] consisting of mercury [i] in a glass [i] tube [i] ...
Bi-metal mechanical thermometer Bi-metallic strip

A bi-metallic strip is used to convert a temperature change into mechanical displacement....
Electrical resistance thermometer Resistance thermometer

Resistance thermometers, also called resistance temperature detectors, are temperature [i] sensor [i]...
Galileo thermometer Galileo thermometer

A Galileo [i] thermometer [i], Galilean thermometer or thermoscope is a thermome ...
Infrared thermometer Infrared thermometer

Infrared thermometers measure temperature [i] using blackbody radiation [i] emitted from objects. ...
Liquid Crystal Thermometer
Maximum minimum thermometer Six's thermometer

Six's thermometer is a thermometer [i] which can measure the maximum [i] and minimum [i] temperature [i] ...
Reversing thermometer Reversing thermometer

Unlike most conventional mercury [i] thermometers [i], a reversing thermometer is able to record ...
Silicon bandgap temperature sensor
Six's thermometer Six's thermometer

Six's thermometer is a thermometer [i] which can measure the maximum [i] and minimum [i] temperature [i] ...
Thermistor Thermistor

A thermistor is a type of resistor [i] used to measure temperature [i] changes, relying on the change in...
Thermocouple Thermocouple

In electronics [i], thermocouples are a widely used type of temperature [i] sensor [i] and can also be u ...

Specialist uses of thermometers

Candy thermometer
Meat thermometer Meat thermometer

A meat thermometer is a thermometer [i] used to measure the internal temperature of meat [i]. ...
Medical thermometer Medical thermometer

Medical thermometers are traditionally mercury-in-glass thermometer [i]s used for measuring human body temperature [i] ...