There are many types of different thermometers. They all function a little differently. Some are used to measure temperature only while others use the temperature reading to then control something else, such as a heating coil or air conditioner.
The thermocouple sensor is part of the temperature gauges that causes a reaction of some kind. For example, thermocouple sensors can be found in commercial refrigerators and ovens. These are used to monitor the temperature in these pieces of equipment and then check it against the setting of the equipment. It then signals to turn on the compressor to cool the fridge down or signals to heating elements to crank up the heat in an oven.
There are different types of thermocouple sensors that can be used. It all depends on the kind of application that it is needed for. Some of the them are meant for more extreme heat while others are meant for more extreme cold. No matter what the case, they all have a very large variance in temperature that they are meant for and so many of them can be used in many different applications.
Another variance in the thermocouple sensors is whether it is grounded or not or even exposed. Again, these all have a different uses for different circumstances. In a grounded thermocouple sensor, the wire is embedded in the probe. This allows the temperature (hot or cold) to transfer quickly from the probe to the wire. In an ungrounded connection the wire is not embedded in the probe, but is actually separated from it. In an exposed style, the wire runs through the probe and sticks out the end.
The thermometer that you use at home to take your own temperature or to read the outside air temperature likely does not have a thermocouple. It is a little different in how it reads the temperature. These kinds of thermometers do nothing more than report the temperature. That is one of the main differences between those that have thermocouples and those that do not.
If you would like to understand more about how thermocouples work, it would be a good idea to find one and tear into it. There is no learning quite like a "hands on" learning experience. By doing this, you are able to see firsthand the pieces and parts behind a thermocouple and how they interact with the other parts of the equipment.
Author Resource:
Pyromation (http://www.pyromation.com/Products/Thermowells.aspx) The thermocouple sensor is part of the temperature gauges that causes a reaction of some kind. Art Gib is a freelance writer.Distributed by Content Crooner
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