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Liquid expands as it gets warmer.

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Q: What principle do most thermometers work?
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How do handmade thermometers work?

For a basic design of thermometers would base on the principle of thermal expansion, either using air in syringe expand and contract with temperature to indicate the scale or using liquid filled into capillary and mark the scale according to a standard thermometer.


What does the principle of the wet-bulb and dry-bulb thermometers state?

Evaporation causes cooling.


How do laser thermometers work?

Laser thermometers are actually just infrared thermometers. The laser is actually just there to make the thermometer easier to aim.


Why liquid in glass thermometers are not suitable for industrial work?

Liquid in glass thermometers are fragile.For precise work, they need to be recalibrated frequently.


What liquid used to be in most thermometers?

Most thermometers used to contain mercury until it was found to be toxic.


On what principal do most thermometer work?

Most thermometers work on the principle that elements and compounds expand as their temperature increases. Liquids or solids that expand at a constant rate over the desired temperature range are used so that the amount they have expanded can be measured and compared against known expansion rates to determine the temperature.


What is the principle of Mercury?

Mercury thermometers are based on the fact that materials (in this case, the liquid mercury) expand when heated.Mercury thermometers are based on the fact that materials (in this case, the liquid mercury) expand when heated.Mercury thermometers are based on the fact that materials (in this case, the liquid mercury) expand when heated.Mercury thermometers are based on the fact that materials (in this case, the liquid mercury) expand when heated.


What are the demographics of thermometer use?

All health care professionals use thermometers. All health care facilities have thermometers. Most homes also have thermometers.


How do thermometers work generally?

In the most general terms, some physical property, which depends on temperature, is measured, and the corresponding temperature is calculated.


What is the red stuff in meat thermometers?

The red stuff in most thermometers is alcohol. The silver stuff is Mercury.


What liquid used to be in thermometers?

Most thermometers used to contain Mercury until it was found to be toxic.


What is the temperature scale used on most laboratory thermometers?

Temperature scale used on most laboratory thermometers is a thermometer.