As detailed by IQS Directory in the article “What is the Difference Between RTDs (Resistance Temperature Detectors) and Thermocouples?”, both sensor types are used to measure temperature in Fahrenheit or Kelvin, but they operate on fundamentally different principles. While RTDs detect temperature changes by measuring variations in electrical resistance, thermocouples generate a voltage when two dissimilar metals are exposed to differing temperatures at a junction.

Understanding the distinctions between these sensors is critical when selecting the best fit for an industrial or scientific application. RTDs are prized for accuracy and long-term stability, making them ideal for operations requiring precise control within the 200°C to 400°C range. Thermocouples, while less accurate over time, excel in extreme environments, tolerating temperatures up to 1800°C and thriving in high-vibration conditions.

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Article with all rights reserved, courtesy of IQS Directory — https://www.iqsdirectory.com