设计研制了一种用于干湿交替环境下，自动采集阴极保护电位数据的装置.该装置的内部电路采用低功耗的单片机设计，外壳采用耐压水密结构设计.通过压力开关控制工作状态，完成水下电位数据的自动采集；并通过多支银/氯化银参比电极实现不同深度、不同采样频率下，被测物表面不同位置阴极保护电位数据的测量和存储.结果表明，该装置达到了干湿交替环境下阴极保护电位自动采集的设计要求。
A device used for automatic collection of cathodic protection potential data in cyclic wet-dry environments was designed and manufactured.The inside circuit of the device was designed with a lowpower single chip processor.The outer shell of which was pressureresistant and waterproof.The device was controlled by a pressure switch to work underwater with several Ag/AgCl reference electrodes.The cathodic protection potential data of different locations by different deepness and frequency were automatically measured and stored at regular intervals.
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