講解高壓數(shù)字絕緣電阻測試儀工作原理及操作方法-上?？档请姎饪萍加邢薰?/title> <link type="text/css" rel="stylesheet" href="/Skins/106676/css/index.css" /> <script src="/skins/106676/js/jquery-3.6.0.min.js"></script> <link rel="stylesheet" type="text/css" href="/skins/106676/css/swiper.min.css"> <script type="text/javascript" src="/skins/106676/js/swiper.min.js"></script>  <script language="javascript" type="text/javascript"> var nav= '5'; var menu= '0'; </script>  <link rel="shortcut icon" href="/skins/106676/favicon.ico"> <script type="application/ld+json"> { "@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld", "@id": "http:///Article-1928618.html", "title": "講解高壓數(shù)字絕緣電阻測試儀工作原理及操作方法", "pubDate": "2019-08-12T08:30:19", "upDate": "2019-08-12T08:30:19" }</script> <script language="javaScript" src="/js/JSChat.js"></script><script language="javaScript">function ChatBoxClickGXH() { DoChatBoxClickGXH('https://chat.chem17.com',83189) }</script><script>!window.jQuery && document.write('<script 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onblur="if(this.value=='')this.value='請輸入您要查詢的產品'" onfocus="this.value=''" value="請輸入您要查詢的產品" type="text" class="search-txt"> <input name="" type="submit" class="search-btn" value=""> </form> </div> <div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="nybanner"><img src="/skins/106676/images/nybanner.jpg"></div> <script src="http://www.chem17.com/mystat.aspx?u=mbdzkj"></script>  <div id="iqaqewgi6e" class="ncontent w_1100"> <div id="iqaqewgi6e" class="h-6">技術文章<span>您當前的位置：<a href="/">首頁</a> > <a href="/article.html">技術文章</a> > 講解高壓數(shù)字絕緣電阻測試儀工作原理及操作方法</span></div>  <div id="iqaqewgi6e" class="n-3 c-news"> <div id="iqaqewgi6e" class="newsnr"> <h1>講解高壓數(shù)字絕緣電阻測試儀工作原理及操作方法</h1> <p class="source"><span>日期：2019-08-12</span><span>瀏覽：2080次</span></p> <div> <p style="margin: 0px; padding: 0px; list-style: none; color: rgb(0, 0, 0); font-family: 微軟雅黑; font-size: 12px; text-align: center;"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">講解高壓數(shù)字絕緣電阻測試儀工作原理及操作方法</span></strong></span></p><p style="margin: 0px; padding: 0px; list-style: none;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> 自1990年5月批準實施的JJG662-89《絕緣電阻表（兆歐表）》已把它作為強制檢定的儀表之一。目前，電氣設備（如變壓器、發(fā)電機等）朝著大容量化、高電壓化、結構多樣化及密封化的趨勢發(fā)展。這就需要絕緣電阻測試儀本身具有容量大、抗干擾能力強、測量指標多樣化、測量結果準確、測量過程簡單并迅速、便于攜帶等特點。成都蘇特電力公司生產的BC25系列絕緣電阻測試儀采用超薄形張絲表頭、多種電壓等級輸出、容量大、抗干擾強、交直流兩用(C型)、操作簡單、具有時間提示功能。是測量變壓器、互感器、發(fā)電機、高壓電動機、電力電容、電力電纜、避雷器等絕緣電阻的理想測試儀器。</span></span></p><p style="margin: 0px; padding: 0px; list-style: none;"> </p><p style="margin: 0px; padding: 0px; list-style: none; color: rgb(0, 0, 0); font-family: 微軟雅黑; font-size: 12px;"> </p><p p="" span="" strong="" style="margin: 0px; padding: 0px; list-style: none; font-family: 微軟雅黑; font-size: 12px;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"><span style="font-family:宋體; list-style:none; margin:0px; padding:0px">儀表的技術指標見表1。</span></span></span></p><table 10000v="" 1000v="" 2500v="" 5000v="" 500v="" 90mm="" alt="" border="1" br="" cellspacing="0" colspan="5" div="" img="" p="" rowspan="3" span="" src="http://img62.chem17.com/9/20171113/636461583330239170319.png" strong="" style="border-collapse:collapse; border:1px dotted rgb(211, 211, 211); font-family:微軟雅黑; font-size:12px; list-style:none; margin:0px; padding:0px" table="" tbody="" td="" tr=""><tbody style="margin: 0px; padding: 0px; list-style: none;"><tr style="margin: 0px; padding: 0px; list-style: none;"><td colspan="3" style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">表3：面板結構圖說明</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">序號</span></strong></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">名稱</span></strong></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">功能</span></strong></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"><span span="" style="list-style:none; margin:0px; padding:0px">)</span></span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">地端（EARTH）</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">接于被試設備的外殼或地上。</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"><span span="" style="list-style:none; margin:0px; padding:0px">)</span></span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">屏蔽端（GUARD）</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">接于被試設備的高壓護環(huán)，以消除表面泄漏電流的影響。</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"><span span="" style="list-style:none; margin:0px; padding:0px">)</span></span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">線路端（LINE）</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">高壓輸出端口，接于被試設備的高壓導體上。</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"><span span="" style="list-style:none; margin:0px; padding:0px">)</span></span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">液晶顯示屏</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">用來顯示測試結果及設定參數(shù)（詳見圖2及表4）</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">（5）</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">按鍵</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">存儲鍵</span></strong><span style="list-style:none; margin:0px; padding:0px">：按下此鍵可保存數(shù)據(jù)或查看歷史測試數(shù)據(jù)，長按3秒以上可刪除所有保存數(shù)據(jù)；</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">時間設置鍵</span></strong><span style="list-style:none; margin:0px; padding:0px">：按下此鍵可以設定測試時間（Time1,Time2,Time3）</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">背光鍵</span></strong><span style="list-style:none; margin:0px; padding:0px">：按下此鍵可點亮液晶顯示屏背光，并在90秒后自動熄滅。</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">上鍵</span></strong><span style="list-style:none; margin:0px; padding:0px">：按下此鍵可向前翻閱數(shù)據(jù)或修改數(shù)據(jù)；</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">下鍵</span></strong><span style="list-style:none; margin:0px; padding:0px">：按下此鍵可向后翻閱數(shù)據(jù)或修改數(shù)據(jù)；</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">（6）</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">狀態(tài)顯示燈</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">可顯示高壓輸出，電源工作狀態(tài)，充電狀態(tài)等信息</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">(7)</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">測試鍵</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">按下開始測試，按下后如順時針旋轉可鎖定此鍵。</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">（8）</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">充電插孔</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">可輸入15-19V直流電，供應充電及儀表工作電源</span></span></p></td></tr><tr style="margin: 0px; padding: 0px; list-style: none;"><td style="margin: 0px; padding: 0px; list-style: none;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">(9)</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">波段開關</span></span></p></td><td style="margin: 0px; padding: 0px; list-style: none; vertical-align: top;"><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">可實現(xiàn)輸出電壓選擇，電源開關功能</span></span></p></td></tr></tbody></table><p style="margin: 0px; padding: 0px; list-style: none; color: rgb(0, 0, 0); font-family: 微軟雅黑; font-size: 12px;"> </p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">液晶顯示屏說明</span></strong></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><img alt="" src="http://img55.chem17.com/9/20171113/636461583527735517950.png" style="border:0px; height:361px; list-style:none; margin:0px; max-width:600px; padding:0px; vertical-align:middle; width:517px" /><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">圖2：液晶顯示屏顯示內容</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><table colspan="3" p="" span="" strong="" style="list-style:none; margin:0px; padding:0px" tbody="" td="" tr=""><tr><td>(<span style="list-style:none; margin:0px; padding:0px">1</span><span style="list-style:none; margin:0px; padding:0px"><span p="" span="" style="list-style:none; margin:0px; padding:0px" td="" tr="">(</span></span><span style="list-style:none; margin:0px; padding:0px">2</span><span style="list-style:none; margin:0px; padding:0px"><span p="" span="" style="list-style:none; margin:0px; padding:0px" td="" tr="">(</span></span><span style="list-style:none; margin:0px; padding:0px">4</span><span style="list-style:none; margin:0px; padding:0px"><span p="" span="" style="list-style:none; margin:0px; padding:0px" td="" tr=""> “</span></span><span style="list-style:none; margin:0px; padding:0px">---</span><span style="list-style:none; margin:0px; padding:0px"><span br="" div="" li="" p="" span="" strong="" style="list-style:none; margin:0px; padding:0px" td="" tr="" ul="">4</span></span><span style="list-style:none; margin:0px; padding:0px"><span style="font-family:宋體; list-style:none; margin:0px; padding:0px">所示。</span></span><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><img alt="" src="http://img55.chem17.com/9/20171113/636461586896249433896.png" style="border:0px; height:264px; list-style:none; margin:0px; max-width:600px; padding:0px; vertical-align:middle; width:264px" /><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">圖4：測試狀態(tài)顯示模式</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">（1）輸出電壓值</span><span style="list-style:none; margin:0px; padding:0px"> </span><span style="list-style:none; margin:0px; padding:0px">（2）測試次數(shù)</span><span style="list-style:none; margin:0px; padding:0px"> </span><span style="list-style:none; margin:0px; padding:0px">（3）當前絕緣阻值</span><span style="list-style:none; margin:0px; padding:0px"> </span><span style="list-style:none; margin:0px; padding:0px">（4）已測試的時間</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"><span span="" style="list-style:none; margin:0px; padding:0px">15</span></span><span style="list-style:none; margin:0px; padding:0px">秒、</span><span style="list-style:none; margin:0px; padding:0px"><span span="" style="list-style:none; margin:0px; padding:0px">10</span></span><span style="list-style:none; margin:0px; padding:0px">分鐘）。</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">7、根據(jù)所需要的測試結果（普通測試、吸收比測試、極化指數(shù)測試），松開</span><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">測試鍵（10）</span></strong><span style="list-style:none; margin:0px; padding:0px">。這時儀表停止高壓輸出，并自動計算、顯示測試結果（各個時間狀態(tài)的電阻值、吸收比、極化指數(shù)）。按動</span><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">上鍵或下鍵（12）</span></strong><span style="list-style:none; margin:0px; padding:0px">可循環(huán)顯示本次測試結果（當前阻值、</span><span style="list-style:none; margin:0px; padding:0px">15</span><span style="list-style:none; margin:0px; padding:0px">秒阻值、</span><span style="list-style:none; margin:0px; padding:0px">60</span><span style="list-style:none; margin:0px; padding:0px">秒阻值、</span><span style="list-style:none; margin:0px; padding:0px">10</span><span style="list-style:none; margin:0px; padding:0px">分鐘阻值、吸收比、極化指數(shù)）。</span><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px"><span style="font-family:黑體; list-style:none; margin:0px; padding:0px">注意：吸收比測試時間應大于</span></span></strong><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px"><span style="font-family:黑體; list-style:none; margin:0px; padding:0px">1</span></span></strong><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px"><span style="font-family:黑體; list-style:none; margin:0px; padding:0px">分鐘，極化指數(shù)的測試應大于</span></span></strong><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px"><span style="font-family:黑體; list-style:none; margin:0px; padding:0px">10</span></span></strong><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px"><span style="font-family:黑體; list-style:none; margin:0px; padding:0px">分鐘。每次測量的時間zui長為10分鐘，10分鐘以后儀表會自動關閉高壓，并自動計算、顯示測試結果。</span></span></strong></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px"><span style="font-family:黑體; list-style:none; margin:0px; padding:0px">警告：試驗完畢或重復進行試驗時，必須將被試物短接后對地充分放電（儀表也有內置自動放電功能，不過時間較長）才能保證人身安全和下次測量的準確性！</span></span></strong></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">7、</span><span style="list-style:none; margin:0px; padding:0px"> </span><span style="list-style:none; margin:0px; padding:0px">需連續(xù)進行第二次測量時，再次按下或鎖定</span><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">測試鍵（10），</span></strong><span style="list-style:none; margin:0px; padding:0px">按</span><span style="list-style:none; margin:0px; padding:0px"><span li="" p="" span="" strong="" style="list-style:none; margin:0px; padding:0px" ul="">GUARD</span></span><strong style="list-style:none; margin:0px; padding:0px"><span style="list-style:none; margin:0px; padding:0px">）的使用方法</span></strong></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> </span><span style="list-style:none; margin:0px; padding:0px">在電力電纜等的絕緣測量或外界電磁場干擾時，為了消除表面漏電和外界電磁場的干擾而影響測量結果的準確度，在實際測量過程中，采用儀表的屏蔽端來消除漏電電流、屏蔽干擾。</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">對于兩節(jié)及以上的被試品，例如避雷器、耦合電容可采用圖</span><span style="list-style:none; margin:0px; padding:0px"><span span="" style="list-style:none; margin:0px; padding:0px">EARTH</span></span><span style="list-style:none; margin:0px; padding:0px">）后再接地，使干擾電流直接入地。但后者不能將干擾*消除掉。</span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><img alt="" src="http://img55.chem17.com/9/20171113/636461587254114062522.png" style="border:0px; height:229px; list-style:none; margin:0px; max-width:600px; padding:0px; vertical-align:middle; width:350px" /><span style="list-style:none; margin:0px; padding:0px"> </span></span></p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85); text-align: center;"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">圖5 利用屏蔽端屏蔽干擾</span></span></p><p> </p><p style="margin: 0px; padding: 0px; list-style: none; font-size: 14px; font-family: 宋體; color: rgb(85, 85, 85);"><span style="font-size:16px"><span style="list-style:none; margin:0px; padding:0px">其它方面的應用可參考此接法。</span></span></p></td></tr></table> <div id="iqaqewgi6e" class="clear"></div> </div> <div id="iqaqewgi6e" class="article"> <p>上一篇：<a href="/Article-1928629.html">防雷檢測常用設備參數(shù) 防雷檢測儀器</a></p> <p>下一篇：<a href="/Article-1928605.html">申請防雷甲/乙級資質需具備那些產品？</a></p> </div> <div id="iqaqewgi6e" class="clear"></div> </div> </div> <div id="iqaqewgi6e" class="n-9"> <div id="iqaqewgi6e" class="c-right"> <div id="iqaqewgi6e" class="c-1 r-pro"> <div id="iqaqewgi6e" 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