Question

The devices which are used for the measurement of very high temperature are:

• A. Thermistors
• B. Thermocouples
• C. Pyrometers
• D. RTD's

Hint:

For very high temperatures, pyrometers are preferred as they are non-contact temperature sensors, making them ideal for applications where direct measurement is impractical.

Answer 1

The Correct Option is C

Pyrometers are the devices specifically designed for measuring very high temperatures, often without making direct contact with the object being measured. They are typically used for temperatures that are too high for other sensors like thermistors or RTDs.
- Thermistors and RTD's are commonly used for moderate temperature ranges but are not suitable for very high temperatures.
- Thermocouples can measure high temperatures but are generally not as effective for very high-temperature measurements compared to pyrometers.
Therefore, the correct answer is Pyrometers.