They are used in thermostats as a physically temperature sensitive switch. Because the two different metals expand and contract at different rates when bimetals are wound into coils the coils become temperature sensitive and expand and contract with respect to the ambient temperature.
The bimetal thermometer was invented by Johan August Arfwedson in 1860.
The bimetal mechanical thermometer uses one end of a bimetallic coil connected to the housing of the device and the other end drives an indicating needle. The bimetal mechanical thermometer is often used in things like refrigerators, air conditioners and heat control.
A biometallic thermometer measures temperature. It uses a differential thermal expansion of metals that are bonded together into a strip. Another name for these thermometers is differential thermometer.
A bimetal thermometer is two strips of different metals that have been stuck together. because the two metals will have differing rates of expansion under heat, the strip will bend towards one side. if the thermometer is colder than standard temperature, the strip will bend towards the side with a higher expansion rate, and if it is hotter, than it will bend towards the metal with the lower expansion rate. Because the expansion is a fixed property of a metal, a bimetal thermometer will have a relative accuracy because of them.
A thermometer is the most common apparatus used to measure temperature. It typically contains a liquid such as mercury or alcohol that expands or contracts in response to temperature changes, allowing the user to read the temperature from a scale. More modern thermometers may use digital technology to provide temperature readings.
Most dial thermometers use a bimetal spring to drive the pointer on the the thermometer face. Two metals are laminated together and wound to form the spring. One metal expands (or contracts) more rapidly than the other due to temperature changes. As the spring's shape changes the pointer moves accordingly. Another type of dial thermometer uses temperature-sensitive gas in a sealed tube to drive the point.
What kind of thermometer you use to measure the body temperature
The same way you use a non-science thermometer.
Use a regular thermometer to test your body (or a child's body) for fever. Use a meat thermometer when cooking meat, and an outdoor thermometer to check the weather outside.
I would use a thermometer.
the thermometer is used to measure the temperatures.
a fever thermometer, is a thermometer that you can use to check your body temperature.