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What is the application of micro thermocouple characteristic _ instrument

by:JVTIA     2020-10-28
The application characteristics of micro thermocouple micro thermocouple is suitable for the narrow and curved areas temperature measurement and control. Characterized by chemical, chemical fiber, pharmaceutical and other industries indispensable temperature measuring device. As the main technical parameters of the micro thermocouple accuracy level: Ⅰ level or grade Ⅱ nominal pressure: atmospheric bending radius: r 5 d or special industrial thermocouple ( Resistance) The application of special industrial thermocouple ( Resistance) Special structural design, suitable for different occasions. Can be directly measured 200 ℃ ~ 1600 ℃ within the scope of liquid, steam and gas medium, as well as solid surface temperature. Special industrial thermocouple ( Resistance) Working principle of industrial thermocouple electrode by the two different conductor material composition, when when there is a temperature measurement end with reference end can produce thermoelectric power, the instrument will show thermoelectric potential corresponding temperature value. Industrial thermocouple is the use of the material when the temperature changes, its resistance also along with the change of characteristics to measure temperature. When resistance changes, the work shows the temperature resistance of the meter. Special industrial thermocouple ( Resistance) The main technical parameters of product standards: iec584iec751jb/t5582 - 1991 nominal pressure: generally refers to the room temperature, protect the tube on the static pressure and not burst. Allows the working pressure is not only related to protecting tube material, diameter, wall thickness, and its structural forms, installation method and the measured medium velocity, species. Cold insulation resistance thermocouple in environmental temperature is 20 + 15 ℃, relative humidity is not more than 80%, the test voltage for 500 (plus or minus 50 v Dc) Electrode and the outer casing of the insulation resistance between Ω 1000 m or higher. m。 Thermocouple at ambient temperature for 15 ~ 35 ℃, relative humidity is not more than 80%, the test voltage is 10 ~ 100 v ( Dc) Electrode and the outer casing of the insulation resistance between Ω 100 m or higher.
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