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Platinum rhodium thermocouple what is the work principle and technical index of _ instrument

2020-10-29

JVTIA

205

Platinum rhodium thermocouple in industry as a kind of traditional temperature measuring element, a thermoelectric characteristics of stable performance, oxidation resistance, suitable for continuous use in oxidation, the inert atmosphere. And platinum rhodium thermocouple in different period to use its temperature is different, if use for a long time, the temperature is 1600 ℃; Short-term use, the temperature is 1800 ℃. Platinum rhodium thermocouple principle: platinum rhodium thermocouple is composed of two different components of the conductor when two ends synthesis loop, when the two junction temperature is not at the same time, will produce thermal current in the circuit. If the working end of the thermocouple and the reference side there is temperature difference, the digital display table will be installed the thermocouple thermoelectric potential of the corresponding temperature value. Platinum rhodium thermocouple technology parameters: 1, the temperature measurement range: 0 ~ 1800 ℃, the temperature measurement accuracy:

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