正A Smart resistance thermometer sensor is designed to overcome the shortages of the traditional ones, and Con-form to the world development trend of the sensor market.According to the constitutions of this Smart sensor and its application coverage,those parts with good -application and low-cost were chosen to constitute this sensor on the basis of full consideration of the linkage among every part.The whole testing system were controlled and processed by C8051F350 single-chip,it could measure precise temperature by PT100 resistance thermometer and circumstance temperature for temperature compensating automatically and simultane-ously,it also could amplify signals to convert analog signals to digital ones,and display results automatically by analysing and processing information.Furthermore,it could auto-compensate self-check,and spot communicate.
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