In thermocouple measurement, which function is performed by a signal conditioner?

In thermocouple measurement, which function is performed by a signal conditioner?

• A. It cools the thermocouple to ambient to protect it.
• B. It converts the thermocouple voltage directly to a digital value without compensation.
• C. It only provides protection against surges.
• D. It provides cold-junction compensation, linearization, amplification, and noise filtering to yield accurate readings.

Answer: (D)