SJ1 siphon rain gauge widely used in hydrology industry ,which is the main hydrological rainfall measuring instruments,with the extension of the useful life of the instrument,in practical application,there are some common faults,this paper will appear in these failure causes and solutions to do some elaboration.%SJ1型虹吸式雨量计在水文行业中普遍应用,它是水文行业测量雨量的主要仪器,随着仪器使用年限的延长,在实践应用中,出现了一些常见故障,本文主要就出现的这些故障的原因及解决办法做一些阐述。
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