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针对目前在生产中广泛应用的低精度、低稳定性的机械料斗定量测试装置，本文提出了采用高精度、高稳定性的电子传感器及系统对其进行改造的方法，并对改造原理、过程及调试进行了较为详尽的阐述。
In view of the low precision and low stability mechanical hopper quantitative testing device which is widely used in the production at present, this paper presents a method to transform the mechanical hopper using the high precision and high stability electronic sensor and system, Debugging carried out a more detailed description.