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Using the same type of homogenous conductor or semi-conductor to form a loop, no thermoelectric potential is generated.
Thermocouple two junction temperature T, T0, if T = T0, the thermocouple thermoelectric potential is zero. The intermediate temperature law lays the foundation for the establishment of a thermocouple index table.
For many years, scientists have attempted to investigate whether the relationship between the thermocouple's hot (measured) temperature and the thermocouple's thermoelectric potential can be expressed in terms of a functional relationship or even a piecewise function. This ultimately failed.
If the two conductors A, B and the third conductor respectively have a wide temperature measurement range for thermoelectricity, the long-term use of the physical and chemical properties is stable.
High conductivity, low temperature coefficient of resistance; ※ High thermoelectric sensitivity of configuration, linearity between thermoelectric potential and temperature, easy to copy, simple process, and low price.
However, a nickel-chromium-nickel-silicon compensation bridge was wrongly used to compensate for the bridge's equilibrium point of 0°C. When the cold junction temperature is 30? C, and the thermometer indicates 900? C, what is the actual temperature of the oven? To determine the temperature-dependent components using the standard electrode law.
Characteristics of Anhui Tiankang Bimetal Thermometer