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How to use thermocouple correctly?

Release date: 2017-07-20 09:42:32 Visits: 733

The production of thermocouple materials are generally more expensive, especially when applied to precious metals, and the temperature measurement point to the instrument are far away, in order to save thermocouple material, reduce costs, usually using compensation wire to extend the free end of the thermocouple The temperature is relatively stable control room, connected to the instrument terminal.
It should be noted that the role of the thermocouple compensation wire only extends the thermal electrode, so that the cold end of the thermocouple to move to the control room of the instrument terminal, which itself can not eliminate the cold junction temperature changes on the temperature, can not afford compensation.
Therefore, the use of other correction methods need to be used to compensate for the cold end temperature is not 0 ℃ when the temperature of the impact.
In the use of thermocouple compensation wire must pay attention to the model match, the polarity can not be wrong, compensation wire and thermocouple connection side of the temperature can not exceed 100 ℃.

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Add: Wuxi City Xinwu District GaoLang East Road 999# Room 506
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