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Thermocouple Symbols

A thermocouple is a transducer formed by the union of two different metals that produces a difference of potential that is a function of the temperature difference between one end called the hot spot and the other called the cold spot.

Symbology of Thermocouples

Symbol Description Symbol Description
Thermocouple symbol Thermocouple
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  Thermocouple symbol Thermocouple
Thermocouple symbol Thermocouple   Thermocouple symbol Thermocouple
Thermocouple polarized symbol Thermocouple polarized
The thick side is the negative pole
  Thermocouple polarized Thermocouple polarized
Symbol of the thermocouple with uninsulated heating element Thermocouple
With uninsulated heating element
  Symbol of the thermocouple with uninsulated heating element Thermocouple
With uninsulated heating element
Symbol of the thermocouple with insulated heating element Thermocouple
With insulated heating element
  Symbol of the thermocouple with insulated heating element Thermocouple
With insulated heating element
Optocoupler symbols
Symbols of other sensors & transducers
Symbol download
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