虹吸式雨量计常见故障及维修方法

虹吸式雨量计是目前大多数台站所使用的雨量自记仪器，其优点是结构及机械测量原理简单明了，观测者可随时了解自然降水出现的时间、强度和容量；缺点是容易发生故障，必须注意加强维护和保养，以保证记录的完整和正确。该仪器出现不正常记录的机率为所有仪器中之最高，除该仪器本身质量问题外，其中大部分是在使用过程中因各种情况导致的问题，本文根据虹吸式雨量计的结构特点对经常出现的故障做一归纳总结，以便做到小修不出站，提高工作效率。

Common breakdowns and maintenance methods of siphon rainfall recorder

Siphon rainfall recorder is the self-recording rainfall apparatus,which is used by the majority of stations in the present. The advantages of siphon rainfall recorder are the simple structure and mechanical measuring principle, so the observer can find out time, intensity and capacity of natural rainfall at any time, while its disadvantages are liable to breakdown. To ensure complete and correct record, we should be strengthened instrument maintenance. The rate of abnormal record is the highest one among all instruments. Except for the problems caused by instrument quality, most of problems are caused by various factors during operation. Based on the structural characteristics of siphon rainfall recorder,this paper summarizes some common breakdowns in order to repair small troubles and to promote working efficiency.