Meters and troubleshootingQuestion 755 of 1506

Where should the reference junction of a thermocouple be located?

In the middle of the cable run
Inside the furnace with the measurement junction
As far from the instrument as possible
Close to the measuring instrument

Show answer

Correct answer: Close to the measuring instrument

The instrument must be able to compensate for the temperature at the reference junction.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 9.5: Thermocouples

Questions last reviewed: 18 October 2026

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