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  Thermocouple & RTD Sensor

The basic theory of the thermocouple effect is found from a consideration of the electrical and thermal transport properties of different metals. A measurement
junction (this junction is formed of different metal) is exposed to the environment whose temperature is to be measured. The other "reference" junction (known
as cold junction) are held at common. The "seeback voltage" then is
proportional to the difference between junction temperatures. Certain standard
configurations of thermocouples using specific metals (or alloys of metals)
have been adoped, each type has its particular features. Such as range, linearity
inertness to hostile environment sensitivity, and so on, and is chosen for
specific applications accordingly.


This specification defines ratings, dimension, insulation, climatic tests and
mechanical characteristics for the 2.252 KΩ type thermistor.


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