RTD Basics—An Introduction to Resistance Temperature Detectors
https://www.allaboutcircuits.com/technical-articles/rtd-basics-an-introduction-to-resistance-temperature-detector/
WEBOct 9, 2022 · An RTD is a passive device and doesn’t produce an output signal on its own. Figure 1 shows a simplified RTD application diagram. Figure 1. Example RTD application diagram. Image used courtesy of TI. An excitation current, I1, is passed through the temperature-dependent resistance of the sensor.
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