摘要
本文提出了一种新的热电阻测量电路 ,克服了非平衡电桥桥臂电阻变化与输出电压的非线性关系 ,可调整零点温度 ,测量不同分度号的热电阻 ,具有很强的通用性和灵活性。
This article deals with the design of a new resistance temperature measurement circuit,which can eliminate the nonlinear relationship between the variation of resistance and the output voltage of the unbalanced bridge.The circuit is general and flexible,so that it is suitable for different types of resistance temperature detector.Besides,its zero temperature can be adjusted.
出处
《工业仪表与自动化装置》
2000年第4期20-22,共3页
Industrial Instrumentation & Automation
关键词
热电阻
不平衡电桥
测温电路设计
Resistance temperature detector
Unbalanced bridge