Temperature Sensor

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Frequently Asked Questions...

What would be the best solid to use as a temperature sensor surface?

I want to take a temperature sensor and put it in the middle of a solid and have the solid get hot or cold based on the surface i am measuring. The surface area would be that of a coffee cup coaster. It would also have to change the temperature of the solid quickly to get accurate reading.


Best Answer...

Answer:

It depends on what you mean by "best". To get a an accurate reading and to get it quickly, you want the mass of the sensor to be as small as possible so that the heat transfer from the thing you are interested in measuring gets the sensor to it's temperature as quickly as possible and with the least loss (or gain) of heat from the sensor.