In this paper, the basic principle of the thin-film magnetoresistive sensors is analyzed and a type of weak magnetic field measurement instrument on the basis of KMZ51 is designed.

• 本文在分析薄膜磁阻传感器工作原理的基础上，设计了一种基于KMZ51型薄膜磁阻传感器的微弱磁场测量仪。