The design of safety measurement system of Parachute automatic opening device,used to measure the baro-metric altitude,is introduced in this paper.The design of hardware and software of the system and the working process are mainly discussed.The whole system has features of fast response speed,high precision and good stability,which widely ap-plied in military aviation,actual life.%介绍了降落伞自动打开装置安全测试系统的设计，用于测量气压高度。主要论述了该系统软硬件的设计及工作过程。整个系统具有响应速度快、精度高、稳定性好的特点，在军事航空领域及实际生活中具有广泛的应用前景。
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