Question
Download Solution PDFWhat is the use of an RTD?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFResistance Temperature Detector (RTD)
- A Resistance Temperature Detector is an electronic device used to determine the temperature by measuring the resistance of an electrical wire.
- This wire is referred to as a temperature sensor.
- For the measurement of temperature with high accuracy, an RTD is used because it has good linear characteristics over a wide range of temperatures.
- Copper, Nickel, and Platinum are widely used metals for RTDs.
- RTD has a positive temperature coefficient of resistance.
- Therefore, the resistance of an RTD increases with an increase in temperature.
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