Designing of Resistance Digital Thermometer Based on Unbalanced Electric Bridge
Wang Jian-jun · Journal of Zhejiang Wanli University · 2009
The temperature measure principle of unbalanced electric bridge is expounded by means of temperature characteristics of Pt resistance and Cu resistance.A method to deal with nonlinear function is suggested.The experiment indicts that the resistance digital thermometer based on unbalanced electric bridge is in accordance with the design request.Its circuit is simple and it has certain practical value.