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热敏电阻是水电厂温度测量中应用最为广泛的一种工业测量元件,而Schneider公司的测温模件不具备直接测量所有热敏电阻温度的功能。文中介绍了热敏电阻测量原理和软件校正测温方法,结合Cu50热敏电阻的工程实际情况,阐述了Schneider公司的测温模件测量其他热敏电阻工程实现方法及其工程应用情况。
Thermistors are the most widely used industrial temperature measurement element in hydropower plants, and Schneider’s temperature measurement modules do not have the capability to directly measure the temperature of all thermistors. In this paper, thermistor measurement principle and software calibration temperature measurement method are introduced. Based on the engineering practice of Cu50 thermistor, the measurement method of Schneider temperature measurement module for other thermistors and its engineering application are described.