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Working of thermocouple

Updated: 11/1/2022
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12y ago

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A device for accurate measurement of temperature difference between two junctions. A thermocouple consists of two dissimilar metals joined at two joints in a loop so that the difference in voltage can be measured. If the temperature of one junction is known, the other junction temperature can be calculated. Since voltage changes in proportion to temperature, the voltage difference indicates temperature differences.

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Q: Working of thermocouple
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Related questions

What is working principle of thermocouple?

A thermocouple is two different metals in contact with each other that generate a voltage when heated.


The working of thermocouple is base upon the principle called?

Thomson effect


Is thermocouple output linear?

The output of the thermocouple is linear.


How do you know if the thermo coupling on your gas furnace is bad?

The thermocouple tells the gas valve to supply gas to the burners. If the thermocouple is bad then the furnace will not work or the pilot will not stay lit. A properly working one will have a reading of at least 12 milliamps.


Is thermocouple used in fridges?

Yes, thermocouple is used in fridges !


Which materials could you use to create a thermocouple?

To create a thermocouple one needs thermocouple wire, a means of spot welding the wire, and wire strippers. A thermocouple is used to measure temperature.


What is the purpose of the thermocouple?

The thermocouple keeps a gas pilot light burning.


Is a thermocouple an active or passive transducer-why?

is a thermocouple an active or passive transducer?-why?


What type of colour are use to paint thermocouple?

You should not paint a thermocouple.


What is the maximum power in Watts that can be attained from a thermocouple?

not much, but it will depend on the type of thermocouple


Is thermocouple a transducer?

Yes, it's an active transducer. A thermocouple is passive not active


Thermocouple instruments are also known as?

The thermocouple is a sensore used to measure temperature. The thermocouple are made with two wires of different metals. joined together at one end to from a junction the thermocouple outputs in a a Milli volts .