DMG2670絕緣電阻測試儀產(chǎn)品講解-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://m.globalchairs.cn/Article-3759402.html", "title": "DMG2670絕緣電阻測試儀產(chǎn)品講解", "pubDate": "2024-07-24T09:03:55", "upDate": "2024-07-24T09:03:55" }</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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method="post" action="/products.html" onsubmit="return checkform(form1)" class="input"> <input name="keyword" onblur="if(this.value=='')this.value='請輸入您要查詢的產(chǎn)品'" onfocus="this.value=''" value="請輸入您要查詢的產(chǎn)品" type="text" class="search-txt"> <input name="" type="submit" class="search-btn" value=""> </form> </div> <div id="yq00aqiue" class="clear"></div> </div> </div> <div id="yq00aqiue" class="nybanner"><img src="/skins/106676/images/nybanner.jpg"></div> <script src="http://www.chem17.com/mystat.aspx?u=mbdzkj"></script>  <div id="yq00aqiue" class="ncontent w_1100"> <div id="yq00aqiue" class="h-6">技術(shù)文章<span>您當(dāng)前的位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > DMG2670絕緣電阻測試儀產(chǎn)品講解</span></div>  <div id="yq00aqiue" class="n-3 c-news"> <div id="yq00aqiue" class="newsnr"> <h1>DMG2670絕緣電阻測試儀產(chǎn)品講解</h1> <p class="source"><span>日期：2024-07-24</span><span>瀏覽：586次</span></p> <div> <p><strong>DMG2670絕緣電阻測試儀產(chǎn)品講解</strong></p><p style="text-indent:14px;line-height:27px"><strong><span style="font-family: 宋體;font-size: 14px"><span style="font-family:Times New Roman">1</span><span style="font-family:宋體">．儀表工作原理</span></span></strong><strong></strong></p><p style="text-indent: 28px;line-height: 150%"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">該儀器由中大規(guī)模集成電路組成。本表輸出功率大，短路電流值高，輸出電壓等級(jí)多（有四個(gè)電壓等級(jí)）。工作原理為由機(jī)內(nèi)電池作為電源經(jīng)</span><span style="font-family:宋體">DC/DC變換產(chǎn)生的直流高壓由E極出經(jīng)被測試品到達(dá)L極，從而產(chǎn)生一個(gè)從E到L極的電流，經(jīng)過I/V變換經(jīng)除法器完成運(yùn)算直接將被測的絕緣電阻值由LCD顯示出來。</span></span></p><p style="text-indent:14px;line-height:27px"><strong><span style="font-family: 宋體;font-size: 14px"><span style="font-family:Times New Roman">2</span><span style="font-family:宋體">．儀表電路框圖</span></span></strong><strong></strong></p><p style="text-indent:28px;line-height:27px"><span style=";font-family:宋體;font-size:14px">如圖所示：</span></p><p style="text-align:center;line-height:27px"><br/></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" src="https://img60.chem17.com/9/20240724/638574079611617149976.png" alt="638574079611617149976.png"/></p><p><span style=";font-family:宋體;font-size:14px"> </span></p><p style="line-height: 27px;"><strong style="text-indent: 14px;"><span style="font-family: 宋體;"><span style="font-family:Times New Roman">3</span>．儀表使用范圍</span></strong></p><p style="text-indent:14px;line-height:27px"><strong></strong></p><p><span style=";font-family:宋體;font-size:14px">本儀表是電力、郵電、通信、機(jī)電安裝和維修以及利用電力作為工業(yè)動(dòng)力或能源的工業(yè)企業(yè)部門常用而必--不可少的儀表。它適用于測量各種絕緣材料的電阻值及變壓器、電機(jī)、電纜及電器設(shè)備等的絕緣電阻。</span></p><p style="line-height:27px"><span style=";font-family:黑體;font-size:16px">二．<strong>DMG2670絕緣電阻測試儀產(chǎn)品講解功能特點(diǎn)</strong></span><strong></strong></p><p style="text-indent:14px"><span style=";font-family:宋體;font-size:14px">本表具有以下特點(diǎn)：</span></p><p style="text-indent:14px"><span style=";font-family:宋體;font-size:14px">·輸出功率大、帶載能力強(qiáng)，抗干擾能力強(qiáng)。</span></p><p style="text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">本表外殼由高強(qiáng)度鋁合金組成，機(jī)內(nèi)設(shè)有等電位保護(hù)環(huán)和四階有源低通濾波器，對(duì)外界工頻及強(qiáng)電磁場可起到有效的屏蔽作用。對(duì)容性試品測量由于輸出短路電流大于</span><span style="font-family:宋體">1</span></span><span style=";font-family:宋體;font-size:14px">.6mA</span><span style=";font-family:宋體;font-size:14px">，很容易使測試電壓迅速上升到輸出電壓的額定值。對(duì)于低阻值測量由于采用比例法設(shè)計(jì)故電壓下落并不影響測試精度。</span></p><p style="text-indent:14px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">·本儀表不需人力作功，由電池供電，量程可自動(dòng)轉(zhuǎn)換。一目了然的面板操作和</span><span style="font-family:Times New Roman">LCD</span><span style="font-family:宋體">顯示使得測量十分方便和迅捷。</span></span></p><p style="text-indent:14px"><span style=";font-family:宋體;font-size:14px">·本表輸出短路電流可直接測量，不需帶載測量進(jìn)行估算。</span></p><p style="text-indent:14px"><span style=";font-family:宋體;font-size:14px"> </span></p><p style="text-align: center"><img style="max-width: 800px; max-height: 300%; width: 432px; height: 653px;" src="https://img60.chem17.com/9/20240724/638574085425516986437.jpg" title="DMG2670數(shù)字兆歐表.jpg" alt="DMG2670數(shù)字兆歐表.jpg" width="432" height="653"/></p><p style="text-indent:14px"><span style=";font-family:宋體;font-size:14px"></span><br/></p><h1 style="margin-left:0;text-indent:0;line-height:150%"><strong><span style="font-family: 黑體;line-height: 150%;font-size: 16px">三．DMG2670絕緣電阻測試儀產(chǎn)品講解技術(shù)指標(biāo)</span></strong><strong></strong></h1><p style=";text-indent:7px"><span style=";font-family:宋體;font-size:14px">① 使用條件</span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">環(huán)境溫度：</span><span style="font-family:宋體">0℃～+45℃ 相對(duì)濕度：≤85%RH</span></span></p><p style=";text-indent:7px"><span style=";font-family:宋體;font-size:14px">② 輸出電壓等級(jí)、測量范圍、分辨率、誤差</span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px">輸出電壓等級(jí)：</span><span style=";font-family:'Times New Roman';font-size:14px">100V<span style="font-family:宋體">，</span><span style="font-family:Times New Roman">250V</span><span style="font-family:宋體">，</span><span style="font-family:Times New Roman">500V</span><span style="font-family:宋體">，</span><span style="font-family:Times New Roman">1000V</span></span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px">測量范圍：</span><span style=";font-family:宋體;font-size:14px">0</span><span style=";font-family:宋體;font-size:14px">～</span><span style=";font-family:宋體;font-size:14px">19999</span><span style=";font-family:'Times New Roman';font-size:14px">MΩ</span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">分</span> <span style="font-family:宋體">辨</span> <span style="font-family:宋體">率：</span></span><span style=";font-family:宋體;font-size:14px">0.01</span><span style=";font-family:'Times New Roman';font-size:14px">MΩ</span><span style=";font-family:宋體;font-size:14px">，</span><span style=";font-family:宋體;font-size:14px">0.1M</span><span style=";font-family:'Times New Roman';font-size:14px">Ω</span><span style=";font-family:宋體;font-size:14px">，</span><span style=";font-family:宋體;font-size:14px">1.0</span><span style=";font-family:'Times New Roman';font-size:14px">MΩ</span><span style=";font-family:宋體;font-size:14px">，</span><span style=";font-family:宋體;font-size:14px">10.0</span><span style=";font-family:'Times New Roman';font-size:14px">MΩ</span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px">相對(duì)誤差：</span></p><div id="yq00aqiue" class="tabledivclass" style="width: 99%; float: left;"><table border="1" cellspacing="0" align="left" style="max-width: 748px;"><tbody><tr class="firstRow"><td width="36" valign="center" style="padding: 0px; border-width: 1px; border-style: solid; border-color: windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">規(guī)格額定電壓</span></p></td><td width="88" valign="center" style="padding: 0px; border-width: 1px; border-style: solid; border-color: windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">測量上限</span></p><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">（</span>MΩ）</span></p></td><td width="190" valign="center" colspan="2" style="padding: 0px; border-width: 1px; border-style: solid; border-color: windowtext; background: rgb(255, 255, 255);"><p style="margin-right:3px;margin-left:3px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px"><span style="font-family:宋體">有效測量范圍（</span>MΩ）</span></p><p style="margin-right:3px;margin-left:3px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">準(zhǔn)確度等級(jí)</span></p></td><td width="239" valign="center" style="padding: 0px; border-width: 1px; border-style: solid; border-color: windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">備注</span></p></td></tr><tr><td width="85" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">100V</span></p></td><td width="89" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">20</span><span style="font-family:宋體;font-size:14px">00</span><span style="font-family:宋體;font-size:14px">0</span></p></td><td width="128" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">0.5-</span><span style="font-family:宋體;font-size:14px">100</span></p></td><td width="118" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">⑸</span></p></td><td width="240" valign="center" rowspan="2" style="padding: 0px; border-width: 1px; border-style: solid; border-color: windowtext; background: rgb(255, 255, 255);"><p style="margin-right:1px;margin-left:1px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">有效測量范圍外</span></p><p style="margin-right:1px;margin-left:1px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">精度不參與計(jì)量</span></p></td></tr><tr><td width="117" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">100-1000</span></p></td><td width="99" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">⑽</span></p></td></tr><tr><td width="38" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">2</span><span style="font-family:宋體;font-size:14px">50V</span></p></td><td width="90" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">20000</span></p></td><td width="133" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">1-1000</span></p></td><td width="119" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">⑸</span></p></td><td width="241" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">起始為</span><span style="font-family:宋體;font-size:14px">0.</span><span style="font-family:宋體;font-size:14px">1MΩ</span></p></td></tr><tr><td width="118" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">1000-2000</span></p></td><td width="100" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">⑽</span></p></td></tr><tr><td width="39" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">500V</span></p></td><td width="91" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">20000</span></p></td><td width="130" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">1-1000</span></p></td><td width="120" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">⑸</span></p></td><td width="242" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">起始為</span><span style="font-family:宋體;font-size:14px">0.</span><span style="font-family:宋體;font-size:14px">1MΩ</span></p></td></tr><tr><td width="119" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">1000-2000</span></p></td><td width="101" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">⑽</span></p></td></tr><tr><td width="40" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">1000V</span></p></td><td width="92" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">20000</span></p></td><td width="131" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">1</span><span style="font-family:宋體;font-size:14px">-</span><span style="font-family:宋體;font-size:14px">1000</span></p></td><td width="121" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">⑸</span></p></td><td width="243" valign="center" rowspan="2" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">起始為</span><span style="font-family:宋體;font-size:14px">1</span><span style="font-family:宋體;font-size:14px">MΩ</span></p></td></tr><tr><td width="120" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext; background: rgb(255, 255, 255);"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">1000-2000</span></p></td><td width="102" valign="center" style="padding: 0px; border-left: 1px solid windowtext; border-right: 1px solid windowtext; border-top: none; border-bottom: 1px solid windowtext;"><p style="margin-right:7px;margin-left:7px;text-align:center;line-height:18px"><span style="font-family:宋體;font-size:14px">⑽</span></p></td></tr></tbody></table></div><p><br/></p><p><br/></p><p><br/></p><p><br/></p><p><br/></p><p><br/></p><p><br/></p><p><br/></p><p><br/></p><p><br/></p><p><span style="font-family: 宋體;">③ 輸出最高電壓帶載能力及短路電流</span><br/></p><p style=";text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">電壓</span><span style="font-family:宋體">/負(fù)載：10</span></span><span style=";font-family:宋體;font-size:14px">00V/20</span><span style=";font-family:'Times New Roman';font-size:14px">MΩ</span></p><p style=";text-indent:21px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">電壓跌落：約</span><span style="font-family:宋體">10%</span></span></p><p style=";text-indent:21px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">短路電流</span><span style="font-family:宋體">:</span></span><span style=";font-family:宋體;font-size:14px"> >1.6mA</span></p><p style=";text-indent:7px"><span style=";font-family:宋體;font-size:14px">④ 電源適用范圍、功率損耗</span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">直流：</span><span style="font-family:宋體">12V</span></span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">功耗：靜態(tài)功耗</span><span style="font-family:宋體">≤160</span></span><span style=";font-family:宋體;font-size:14px">mW</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">；最大功率</span><span style="font-family:宋體">≤</span></span><span style=";font-family:宋體;font-size:14px">2.5W</span></p><p style=";text-indent:7px"><span style=";font-family:宋體;font-size:14px">⑤ 體積與重量</span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">體積：</span><span style="font-family:宋體">217</span></span><span style=";font-family:宋體;font-size:14px">mm</span><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">（</span><span style="font-family:宋體">L）×217</span></span><span style=";font-family:宋體;font-size:14px">mm</span><span style=";font-family:宋體;font-size:14px">(W)×</span><span style=";font-family:宋體;font-size:14px">1</span><span style=";font-family:宋體;font-size:14px">33</span><span style=";font-family:宋體;font-size:14px">mm</span><span style=";font-family:宋體;font-size:14px">(D)；</span></p><p style=";text-indent:35px"><span style=";font-family:宋體;font-size:14px">重量：</span><span style=";font-family:宋體;font-size:14px"><1.</span><span style=";font-family:宋體;font-size:14px">8</span><span style=";font-family:宋體;font-size:14px">kg</span></p><h1 style="margin-left:0;text-indent:0;line-height:150%"><strong><span style="font-family: 黑體;line-height: 150%;font-size: 16px">四．DMG2670絕緣電阻測試儀產(chǎn)品講解使用說明</span></strong><strong></strong></h1><p style="text-indent:28px;line-height:24px"><strong><span style="font-family: 宋體;font-size: 14px"><span style="font-family:Times New Roman">1</span><span style="font-family:宋體">、測量步驟</span></span></strong><strong></strong></p><p style=";text-indent:28px"><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">開啟電源開關(guān)</span><span style="font-family:宋體">“ON"，選擇所需電壓等級(jí),開機(jī)默認(rèn)為500V檔，選擇所需電壓檔位，對(duì)應(yīng)指示燈亮，輕按一下 “高壓"鍵，高壓指示燈亮，LCD顯示的穩(wěn)定數(shù)值乘以10即為被測的絕緣電阻值。當(dāng)試品的絕緣電阻值超過儀表量程的上限值時(shí)，顯示屏首--位顯示“1"，后三位熄滅。關(guān)閉高壓時(shí)只需再按一下 “高壓"鍵，關(guān)閉整機(jī)電源時(shí)按一下電源“OFF"。</span></span></p><p style=";text-indent:28px"><span style=";font-family:宋體;font-size:14px">注：測量時(shí)，由于試品有吸收、極化過程，絕緣值讀數(shù)逐漸向大數(shù)值漂移或有一些上下跳動(dòng)，系正?，F(xiàn)象。</span></p><p style="text-indent:28px;line-height:27px"><strong><span style="font-family: 宋體;font-size: 14px"><span style="font-family:Times New Roman">2</span><span style="font-family:宋體">、接線端子符號(hào)含義</span></span></strong><strong></strong></p><p><span style=";font-family:宋體;font-size:14px"><span style="font-family:宋體">測量絕緣電阻時(shí)，線路</span><span style="font-family:宋體">“L"與被測物同大地絕緣的導(dǎo)電部分相接，接地“E"與被測物體外殼或接地部分相接，屏蔽“G"與被測物體保護(hù)遮蔽部分相接或其他不參與測量的部分相接，以消除表泄漏所引起的誤差。測量電氣產(chǎn)品的元件之間絕緣電阻時(shí)，可將“L"和“E"端接在任一組線頭上進(jìn)行。如測量發(fā)電機(jī)相間絕緣時(shí)，三組可輪流交換，空出的一相應(yīng)安全接地。</span></span></p><p><br/></p> <div id="yq00aqiue" class="clear"></div> </div> <div id="yq00aqiue" class="article"> <p>上一篇：<a href="/Article-3765501.html">ETCR3520B高壓絕緣電阻測試儀適用范圍特點(diǎn)</a></p> <p>下一篇：<a href="/Article-3759387.html">DMG2671絕緣電阻測試儀講解</a></p> </div> <div 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