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The resistance thermometer was invented by Sir William Siemens in the 1860s. He discovered that the resistance of metals changes with temperature, leading to the development of this type of thermometer to accurately measure temperature changes.
Johan August Arfwedson is credited with inventing the first resistance thermometer in 1833. He discovered that the electrical resistance of metals changes predictably with temperature, laying the foundation for modern resistance temperature detectors or RTDs.
An electrical thermometer works by measuring changes in electrical resistance as temperature changes. This change in resistance is then converted into a temperature reading. The resistance of the sensor in the thermometer varies with temperature, allowing for accurate temperature measurements.
The bimetal thermometer was invented by Johan August Arfwedson in 1860.
Anders Celsius, a Swedish astronomer, invented the Celsius thermometer in the 18th century.
The resistance thermometer was invented in 1860 by Sir William Siemens, a German-English inventor and industrialist. It is a type of temperature sensor that uses the principle of electrical resistance to measure temperature.