基于铂电阻传感器的温度计量检定系统

Temperature calibration system based on platinum resistance sensor

国家气象计量站温度实验室制定的空气温度计量标准主要用于开展工作级气象用温度表(计)、铂电阻温度计等的检定和校准,主要设备包括二等标准水银温度计、温度检定槽、冰点槽或水三相点瓶等。文章介绍了PT100型铂热电阻的工作原理,并基于温度计量检定规程要求,对80支铂电阻传感器进行温度检定从而判断铂电阻传感器的参数和性能是否符合检定标准。

The professional standard of air temperature measurement formulated by temperature laboratory of national meteorological metrology station is mainly used for verification and calibration on work-level meteorological thermometer （meter） and platinum resistance thermometer. The main equipments include secondary standard mercury thermometer, temperature testing groove, freezing point groove and triple point of water etc. This paper mainly introduces the working principle of PT100 platinum thermal resistance. Based on the requirements of temperature metrology verification regulation,the 80 platinum resistance sensors are tested on the temperature in order to judging whether the parameter and the performance of the platinum resistance sensor meet the testing standards.