高精度热电偶温度变送器  

High Precise Thermocouple Temperature Transmitter

作　　者：钱可元[1] 

机构地区：[1]清华大学深圳研究生院,深圳518057

出　　处：《自动化仪表》2003年第8期27-29,共3页Process Automation Instrumentation

摘　　要：介绍一种高精度热电偶温度变送器的设计原理及制作工艺。重点介绍了参比端温度补偿技术 ,其参比端补偿精度 <0 1℃ ,测量精度达到 0 1%。还阐述了为保证温度变送器的精度所采取的工艺方法。The design principle and fabrication technique of a high precise thermocouple temperature transmitter are introduced. The temperature compensation technology at reference end is presented emphatically, the accuracy of compensation is less than 0 1 degree C and the accuracy of measurement is up to 0 1%.In addition, the method of ensuring the accuracy of the transmitter is also described.

关 键 词：热电偶 温度变送器 精度 设计 制作 参比端温度补偿 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]