ETCR9400氧(yang)化鋅避(bi)雷(lei)(lei)(lei)器(qi)(qi)鉗形帶電(dian)(dian)測試(shi)儀用于(yu)(yu)35kV以下線路(lu)對(dui)氧(yang)化鋅避(bi)雷(lei)(lei)(lei)器(qi)(qi)的全(quan)電(dian)(dian)流(liu)進(jin)行(xing)測試(shi),以判斷避(bi)雷(lei)(lei)(lei)器(qi)(qi)的性能(neng)是否(fou)劣(lie)化,測試(shi)時無需(xu)停電(dian)(dian)無需(xu)拆(chai)(chai)卸避(bi)雷(lei)(lei)(lei)器(qi)(qi),操作(zuo)安全(quan)快速。由于(yu)(yu)運行(xing)電(dian)(dian)壓往往有波(bo)動,不易(yi)確定(ding)一(yi)個絕對(dui)標(biao)準(zhun)來判斷是否(fou)嚴(yan)重受潮,但可對(dui)以往的記錄(lu)和三相進(jin)行(xing)互相比(bi)較,如果(guo)泄露(lu)電(dian)(dian)流(liu)有明顯(xian)差異,則必須進(jin)行(xing)處理。工作(zuo)人員可以根據本儀表測試(shi)的漏(lou)電(dian)(dian)情況(kuang)決定(ding)是否(fou)對(dui)避(bi)雷(lei)(lei)(lei)器(qi)(qi)進(jin)行(xing)維(wei)護處理,避(bi)免了盲目拆(chai)(chai)下檢測。