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The working principle of the thermocouple _ instrument

by:JVTIA     2020-10-28
Thermocouple is commonly used in low temperature zone of a kind of temperature measuring element. Thermocouple resistance using material when the temperature changes itself along with the change of characteristics to measure temperature. Thermocouple heated parts ( Thermal element) Is uniform with fine wire wrapped around the insulation materials on the skeleton of measured medium in the presence of temperature gradient, temperature is measured by thermal element is located within the scope of average temperature in the medium layer. Its main characteristic is high accuracy, stable performance. The platinum thermocouple measuring accuracy is high. Thermocouple is usually by thermocouple wire and digital display table, recording instrument and electronic regulator. It can be directly measured from various production process 200 ℃ to + 500 ℃ within the scope of the liquid, steam and gas medium and the temperature of the solid surface.
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