基于铂电阻和热电偶的测温系统

摘要

This paper introduced a temperature measurement system based on Pt Resistance and thermocouple,a detailed analysis of the measurement principle and measurement error. The system uses AD7792 chip as the acquisition,be able to use a variety of Pt Resistance and thermocouple temperature measurements to achieve,and measure the results of real-time display on the OLED. Experimental results show that the system is high accuracy,versatility,reproducibility and easy operation.%介绍了一种基于铂电阻和热电偶的测温系统,详细分析了其测量原理及测量误差.该系统采用AD7792作为采集芯片,能够通过利用多种铂电阻和多种热电偶实现对温度测量,并将测量结果实时显示在OLED上.实验结果表明该系统的测量精度高、通用性强、重复性好、操作方便.