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介绍了以TP-801单板机为基础的变频式磁测应力仪及其测量系统的组成和特点。该仪器用于压力容器等钢结构残余应力的现场实测,具有重量轻,操作方便、测量准确和沿层深残余应力分布直接显示等优点,具有较大的实用价值。
This paper introduces the composition and characteristics of the variable frequency magnetic gauges based on TP-801 single-board computer and its measuring system. The instrument is used to measure the residual stress of steel structure such as pressure vessel in the field. It has the advantages of light weight, convenient operation, accurate measurement and direct display of the residual stress distribution along the deep layer, which has great practical value.