钻电阻有良好的稳定性和较高的测量精度；镍铬一谋硅热电偶价格低廉，应用广泛，但是精度偏低。在实际的中、低温测量中，如何选用热电偶或热电阻？现从它们各自的热电特性出发，以提高测量精度为目的加以分析。l热电偶和热电阻的热电特性热电偶是根据热电效应原理来测量温度的 Drill resistance has good stability and high measurement accuracy; nickel-chromium a silicon thermocouple cheap, widely used, but the accuracy is low. In the actual medium and low temperature measurement, how to choose thermocouple or RTD? Starting from their respective thermoelectric properties, to improve the measurement accuracy for analysis. l thermocouple and RTD thermoelectric characteristics Thermocouple is based on the principle of thermoelectric effect to measure the temperature