介绍了石英晶体温度传感器的主要性能指标。分析了石英温度传感器非线性、频率不确定度、过热效应等因素对温度测量的影响。成功地研制了采用Y+ 5°切的石英晶体温度传感器的温度计,其温度分辨力达到10 - 4 ℃。关键词: 石英晶体温度传感器; 温度计; 分辨力Abstract : The characters of quartz crystal temperature sensor have been introduced. The influence on tempera2 ture measurement of the non2linearity ,the fractional frequency uncertainty and the overheating effect of quartz temperature sensor have been analyzed. A quartz thermometer was successfully developed using a quartz tempera2 ture sensor with Y+ 5°2 cut . Its temperature resolution reached as high as 10 - 4 ℃.Key words : quartz crystal temperature sensor ; thermometer ; resolution