The problem existing in the original resistance type level indicator is analyzed. The superiority of applying electronic sensor to measure coal level and modification process are narrated in detail.
对原电阻式料位仪存在的问题进行了分析，详述了应用电子传感器检测料位的优越性及改造过程。
2
The increased internal resistance within an improved zero indicator helps increase the sensitivity of the AC bridge and thus can be available for any type of capacity bridge and induction bridge.