对磁补偿式霍尔传感器的原理、特点进行了论述,研究介绍了它在UPS、电子点焊机方面的应用。 关键词: 磁补偿;霍尔传感器 Abstract : This paper discusses the theory and characteristic of magneto2compensated hall sensor. It also has a research and introduce of the sensor’s application on UPS and electronic point2welding machines. Keywords :Magneto2compensated ;Hall sensor