A temperature transducer is a sensor that senses temperature and converts it into a usable output signal.
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Temperature sensors are the core part of temperature measuring instruments, and the common types of temperature sensors include:
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Thermocouple: A thermocouple is a sensor made up of two different metals that uses the electromotive force generated by the two metals when the temperature changes. It has a wide temperature measurement range and good high temperature resistance, which is suitable for measurement in high temperature environments.
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Thermistor (RTD): A thermistor is a resistive element whose resistance value changes with temperature. Common thermistor materials include platinum (Pt100, Pt1000) and nickel (Ni100, Ni1000). Thermistors have high accuracy and linearity and are suitable for a wide temperature range.
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Silicon Carbide Sensor: Silicon carbide sensors use the resistive properties of silicon carbide materials to measure temperature. It has high temperature resistance and low heat capacity, making it suitable for high-temperature measurement and fast response applications.
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Thermal resistance (Thermistor): A thermal resistance is a temperature-sensitive resistive element whose resistance value changes with temperature. Commonly used RTD materials are nickel-copper (NiCu) and platinum-rhodium (PtRh). RTDs have high precision and high sensitivity, making them suitable for precise measurement and temperature control.
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Infrared Temperature Sensor: Infrared temperature sensors use infrared radiation to detect the surface temperature of a target object. It is suitable for non-contact temperature measurement and can be used to measure the temperature of hot temperatures, moving objects, or objects that cannot be directly contacted.
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These sensors can be used in a wide range of applications such as industrial control, temperature monitoring, automation systems, medical devices, home appliances, and environmental monitoring to accurately measure and monitor temperature changes.
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