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مکانیک::
سیم ترموکوپل
An increase in resistance indicates a reversed thermocouple lead.
At room temperature, the meter should read about 1 millivolt across the thermocouple leads.
In cases where the thermocouple leads have been reversed, a decrease in voltage will be observed.
At junction "A" the thermocouple leads are connected to each other and to the sheath of the thermocouple.
If the temperature indicator shows a declining temperature the thermocouple leads may have been reversed at installation.
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