The principle of temperature measurement using a thermistor is based on the fact that its resistance changes with temperature. A semiconductor ceramic thermistor typically has a negative temperature coefficient (NTC), meaning that as the temperature increases, its resistance decreases. On the other hand, copper and platinum resistors have a positive temperature coefficient (PTC), where their resistance increases with rising temperature. These devices rely on precise calibration and stability to ensure accurate readings.
Thermistors are known for their excellent reproducibility and linear response over a wide range of temperatures, making them ideal for various applications in industrial, medical, and consumer electronics fields.
The main function of a thermistor is to detect and measure temperature changes. It can be used in temperature control systems, heating elements, and even in automotive and HVAC systems. With its high sensitivity and fast response time, it plays a crucial role in maintaining system efficiency and safety.
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