Assembly K E J B R S type Thermocouple RTD Temperature sensor water proof

Assembly K E J B R S type Thermocouple RTD Temperature sensor water proof
 
1) Thermocouples are used in industry for measuring the temperature of gases, liquids or solid surfaces etc.,
 
2) Its usually assembled with indicators, recorders or computers. A thermocouple consists of two dissimilar metals joined together at one end. When the junction of the two metals be cooled or heated and a voltage is  produced that can be correlated back to the temperature.
 
3) Thermocouples are a widely used type of temperature sensorfor measurement and control,and can also convert a temperature gradient into electricity. Commercial thermocouples are inexpensive, interchangeable, are supplied with standard connectors, and can measure a wide range of temperatures.
Specification:
 
Type J (iron–constantan) has a more restricted range than type K (−40 to +750 °C), but higher sensitivity of about 55 µV/°C.
The Curie point of the iron (770 °C) causes an abrupt change in the characteristic, which determines the upper temperature limit.

   
 
Application and Features:
 
High temperature widely used in glass, ceramics and industrial salt bath temperature, etc. in a variety of production processes
 
Benefits:
Heat resistance, stability, good reproducibility and accuracy of superior
Resistance to oxidation, good corrosion resistance
Be used as standard to use
Disadvantages:
Thermal electromotive force value is small, big error compensation wire
Expensive
More vulnerable in a reducing gas atmosphere. ( Especially hydrogen, metal vapor )
 
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