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Kitchen thermocouple temperature compensation

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Because kitchen thermocouple materials are generally more expensive (especially when using precious metals), and the temperature measurement points are far away the distance to the instrument, in order to save oven thermocouple materials, reduce cost, usually adopt the compensating conductor) (the free end of the cold junction of the thermocouple to the steady control of indoor temperature, connected to the meter terminals.

It must be pointed out that the role of oven thermocouple compensation wire only extend thermal electrode, make moves to the control room of the cold junction of the thermocouple meter terminal, it itself does not eliminate the cold end temperature change on the influence of temperature, no compensation.

So, still need other correction method is used to compensate the cold end temperature t0 indicates influence on measuring temperature 0 ℃. Must pay attention to when using thermocouple compensating conductor model match, cannot be wrong polarity, compensation conductor should be connected to the thermocouple temperature difference should not exceed 100 ℃.


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