对热电偶检定系统的误差不确定度的评定

The Evaluation of the Error Uncertainty for the Thermocouple Calibration System

热电偶检定系统是检定热电偶并确保其符合国家标准的重要设备。热电偶检定系统对热电偶检定的误差不确定度将直接关系到需由热电偶测温的工艺流程的工艺参数的可靠性,并最终影响到产品质量。本文分析了热电偶检定系统的误差来源,并对误差不确定度进行评定。

The thermocouple calibration system is a very important facility for calibrating the thermocouple to be in accordance with the national standards. The error uncertainty of thermocouple calibration system is directly related to the reliability of the technical parameters of the technical process measured by the thermocouple, or even affects to the final product quality. This article has analyzed the error source of the thermocouple calibration system, and evaluated the error uncertainty.