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According to Wikipedia, a thermocouple is a temperature-measuring device consisting of two dissimilar conductors that contact each other at one or more spots. It produces a voltage when the temperature of one of the spots differs from the reference temperature at other parts of the circuit.
The voltage is converted to a temperature. There are many different designs depending on the pair of conductors used.
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∙ 9y ago
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What is a sentence using the word thermocouple?
The thermocouple which measured the car's coolant temperature failed and so the car overheated.
What are disadvantages of thermocouple?
Impediments with thermocouples. Temperature estimation with a thermocouple requires two temperatures measured, the intersection at the work end and the intersection where wires meet the instrumentation copper wires.
Working of thermocouple?
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.
How is thermocouple WORKING?
A thermocouple is a thermometer made by using two wires of different metals in a circuit. Two junctions are then formed between the different metals-- one of which is joined to the object having the temperature to be measured and the other is joined to an object having a fixed temperature. An measurable voltage proportional to the temperature difference is generated in the loop.
Which type of temperature senseing instrument you use in industry?
for temperature sensing i will suggest a RTD or A THermocouple. for temperature sensing i will suggest a RTD or A THermocouple.
How a thermocouple device works?
a thermocouple is a sensor used to measure temperature under a wide variety of temperature ranges and condition
What is temperature measured to?
Temperature is usually measured via expansion/contraction of a liquid (liquid thermometer), differences in expansion/contraction of two metals (bi-metallic strip thermometer), changes in electrical resistance (thermistor or thermocouple) or radiant energy (for example: a pyrometer)
Thermal manifold temperature instability ?
Cause: Poor thermocouple contactSolution: Check the thermocouple
What type of elements are used in different type of thermocouple?
Thermocouple elements are temperature sensors that are useful over a wide range of temperatures. They are used with thermocouple temperature probes, bimetallic devices that are suitable for various temperature sensing applications.
What is measured using temperature?
Temperature is usually measured via expansion/contraction of a liquid (liquid thermometer), differences in expansion/contraction of two metals (bi-metallic strip thermometer), changes in electrical resistance (thermistor or thermocouple) or radiant energy (for example: a pyrometer)
Describe how a liquid thermometer and a thermocouple are the same and how they are different?
Both are used to measure temperature, but by different means. A liquid based thermometer uses the expansion of a liquid with temperature to indicate the temperature, while a thermocouple uses electrical differentials at the junctions of dissimilar metals to do so. So in the case of the liquid thermometer the reading is position of a liquid in a tube, and in the case of a thermocouple it is a voltage measured with a voltmeter. Thermocouples may be better suited to measuring extreme temperatures.
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.
