直流數顯驗電(dian)器使用說明書
一、直流(liu)數顯驗電器概述:
高(gao)壓直流(liu)驗電器是我(wo)公(gong)司采用先進元器件,獨立研(yan)制的產品,性(xing)能可(ke)靠。所有參數(shu)為我(wo)公(gong)司企(qi)業標準。
直流(liu)驗(yan)電器,其指示器與操作(zuo)(zuo)桿都應用交流(liu)驗(yan)電器的結構與工(gong)藝(yi),所不同之處在于直流(liu)驗(yan)電器操作(zuo)(zuo)桿
上增設了(le)數(shu)顯電壓表及接地(di)引下(xia)插孔(kong),用于連接接地(di)線(xian),接地(di)端沒有(you)正負極之分。
二、參數:(直流)
額定電壓: ± 1.5 KV, 啟動電壓 : ± 0.001 KV。
限制耐壓 : ± 1.9 KV。,操作桿耐壓: 45 KV/1min。
三、直流驗(yan)電器使用(yong)環(huan)境條件:
直流驗電器環境溫度:-25℃~+55℃
直流驗電器使(shi)用場合:戶(hu)內和戶(hu)外無陰雨天氣,相對(dui)濕度小于85%。
四、直(zhi)流驗(yan)電器(qi)使用方法及注意事項:
1. 為保證(zheng)人身(shen)和設備的安全,確保驗電器(qi)的完好性,驗電器(qi)應存(cun)放在空氣流通、環境干燥的場(chang)所。
2.驗(yan)電(dian)(dian)操作(zuo)(zuo)前應對驗(yan)電(dian)(dian)器進行自檢(jian)(jian),方法(fa)是:打開電(dian)(dian)源開關(guan)數顯(xian)表應該很快歸零。若(ruo)無指(zhi)示時不得(de)進行驗(yan)電(dian)(dian)操作(zuo)(zuo)。驗(yan)電(dian)(dian)操作(zuo)(zuo)前還須檢(jian)(jian)查接地引下線是否完好,接觸點(dian)是否可(ke)靠。
3.驗電操作順序為:
(1)拉伸所有絕緣操作桿,使其拉足(zu)并定位。將數顯表卡在絕緣桿第二節底部標(biao)志(zhi)線位置(zhi)。
(2)將測試(shi)線上端(duan)(duan)的插頭可(ke)靠地插進首節桿末(mo)端(duan)(duan)的插孔內(nei),另一端(duan)(duan)插到數顯表紅(hong)色測試(shi)插孔內(nei)。
(3)將(jiang)接(jie)地引下(xia)線的(de)插頭插到(dao)數(shu)顯表黑色插孔內(nei),另一端可靠地夾在良好(hao)的(de)接(jie)地軌(gui)或極(ji)上。
(4)操作(zuo)人員應先將該(gai)驗(yan)電(dian)(dian)器(qi)在有電(dian)(dian)部(bu)(bu)位上驗(yan)電(dian)(dian),證明該(gai)驗(yan)電(dian)(dian)器(qi)性能完好,然后在施工(gong)部(bu)(bu)位上驗(yan)電(dian)(dian),確認施工(gong)部(bu)(bu)位是否帶電(dian)(dian)。
注意:驗電(dian)器應注意(yi)在干燥場合保存,顯(xian)(xian)示不正常(chang)時應首先考慮(lv)更(geng)換電(dian)池(chi)(chi)。數(shu)顯(xian)(xian)表內(nei)電(dian)池(chi)(chi)半年應該更(geng)換,以防電(dian)池(chi)(chi)漏(lou)夜損壞元(yuan)件(jian)。
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上海旺平電(dian)氣有限公司