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id="661161111" class="n-top">  <div id="661161111" class="nn-top"> <ul class="xqytp"> <li data-thumb="http://img69.chem17.com/gxhpic_884f2b1889/1db5f40061365a437dd1a06d8d6905ab203a356fcf75871484ee5bead03cf705e8131d6b785921e8.jpg" class="proimg_bk"><a class="proimg"><img src="http://img69.chem17.com/gxhpic_884f2b1889/1db5f40061365a437dd1a06d8d6905ab203a356fcf75871484ee5bead03cf705e8131d6b785921e8.jpg" /></a></li> </ul> </div> <script type="text/javascript"> $(document).ready(function() { $('.gallery').lightSlider({ gallery:true, minSlide:1, maxSlide:1, currentPagerPosition:'left' }); }); </script> <div id="661161111" class="clear"></div> </div>  <div id="661161111" class="x-1"> <div id="661161111" class="b-1">基礎(chǔ)信息<span>Product information</span></div> <div id="661161111" class="proshowname">產(chǎn)品名稱：<h1>ZZC-3A變壓器直流電阻測(cè)試儀</h1></div> <p>產(chǎn)品型號(hào)：</p> <p>廠商性質(zhì)：生產(chǎn)廠家</p> <p>所在地：上海市</p> <p>更新時(shí)間：2024-08-01</p> <p>產(chǎn)品簡(jiǎn)介：</p> <p><p> <div id="661161111" class="desc">ZZC-3A變壓器直流電阻測(cè)試儀變壓器繞組的直流電阻測(cè)試是變壓器在交接、大修和改變分接開(kāi)關(guān)后，*的試驗(yàn)項(xiàng)目。通過(guò)測(cè)量變壓器繞組的直流電阻，可以檢查出引線的焊接或連接質(zhì)量，繞組有無(wú)匝間短路或開(kāi)路，以及分接開(kāi)關(guān)的接觸是否良好等情況。縮短測(cè)量時(shí)間以及減輕測(cè)試人員的工作負(fù)擔(dān)，開(kāi)發(fā)了ZZC-3A直流電阻快速測(cè)試儀</div> </p></p> </div>  <div id="661161111" class="x-1"> <div id="661161111" class="b-1">產(chǎn)品特性<span>Product characteristics</span></div> <link type="text/css" rel="stylesheet" href="/css/property.css"> <script> window.onload=function(){ changeTableHeight(); } window.onresize=function(){ changeTableHeight(); } function changeTableHeight(){ $(".proshowParameter table th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> <tr><th>品牌</th><td>其他品牌</td><th>產(chǎn)地類別</th><td>國(guó)產(chǎn)</td></tr><tr><th>應(yīng)用領(lǐng)域</th><td>環(huán)保,地礦,能源,電子,交通</td> <th></th><td></td></tr> </tbody> </table> </section><h1 style="margin: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong><span style="margin: 0px; padding: 0px; font-family: 宋體;">一、</span></strong></span><strong style="font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體;"><strong>ZZC-3A變壓器直流電阻測(cè)試儀</strong>【上?？档请姎狻?/span></strong><strong style="font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; background: rgb(0, 0, 0); color: rgb(255, 255, 255);">概述</span></strong></h1><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 16px;">變壓器繞組的直流電阻測(cè)試是變壓器在交接、大修和改變分接開(kāi)關(guān)后，不可少的試驗(yàn)項(xiàng)目。通過(guò)測(cè)量變壓器繞組的直流電阻，可以檢查出引線的焊接或連接質(zhì)量，繞組有無(wú)匝間短路或開(kāi)路，以及分接開(kāi)關(guān)的接觸是否良好等情況。在以前對(duì)直阻的測(cè)量均采用QJ44雙臂電橋來(lái)測(cè)量，而這類電橋的測(cè)量電流為毫安級(jí)，測(cè)量起來(lái)時(shí)間需要很長(zhǎng)，而且精度也較低。為了改變這種狀況，縮短測(cè)量時(shí)間以及減輕測(cè)試人員的工作負(fù)擔(dān)，本公司開(kāi)發(fā)了本產(chǎn)品。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 16px;">本產(chǎn)品是取代直流單、雙臂電橋的高精度換代產(chǎn)品。儀器采用了*的開(kāi)關(guān)電源技術(shù)，其測(cè)量速度比電橋快一百多倍，顯示部分由四位半LCD液晶顯示測(cè)量結(jié)果，三位半LCD液晶顯示環(huán)境溫度或測(cè)試電流值，克服了其它同類產(chǎn)品由LED顯示值在陽(yáng)光下不便讀數(shù)的缺點(diǎn)，同時(shí)具備了自動(dòng)消弧功能。本儀器具有測(cè)速快、精度高、顯示直觀、抗干擾能力強(qiáng)、體積小、耗電省、測(cè)試數(shù)據(jù)穩(wěn)定可靠、不受人為因素影響等優(yōu)點(diǎn)。儀器內(nèi)裝可充電電池組（14.8V），交直流兩用，便于現(xiàn)場(chǎng)及野外測(cè)試。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">本產(chǎn)品符合</span>DL<span style="margin: 0px; padding: 0px; font-size: 16px;">/</span>T 845.3-2004<span style="margin: 0px; padding: 0px; font-size: 16px;">《電阻測(cè)量裝置通用技術(shù)條件</span> <span style="margin: 0px; padding: 0px; font-size: 16px;">第</span>3部分直流電阻測(cè)試儀<span style="margin: 0px; padding: 0px; font-size: 16px;">》的要求。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 16px;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 20px;">二、</span></strong></span><strong style="font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體;"><strong>ZZC-3A變壓器直流電阻測(cè)試儀</strong>【上?？档请姎狻?/span></strong><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong><span style="margin: 0px; padding: 0px; font-family: 宋體; background: rgb(0, 0, 0); color: rgb(255, 255, 255);">用途</span></strong></span></p><h1 style="margin: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong></strong></span></h1><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">是測(cè)量電力變壓器、大型電機(jī)、互感器等各種感性負(fù)載的直流電阻及低壓開(kāi)關(guān)接觸電阻、電線電纜或焊縫接口電阻的理想儀器。</span></p><h1 style="margin: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong><span style="margin: 0px; padding: 0px; font-family: 宋體;">三、</span></strong></span><strong style="font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體;"><strong>ZZC-3A變壓器直流電阻測(cè)試儀</strong>【上?？档请姎狻?/span></strong><strong style="font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; background: rgb(0, 0, 0); color: rgb(255, 255, 255);">性能特點(diǎn)</span></strong></h1><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">1. 測(cè)試速度快：本儀器</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">最大輸出充電電流可達(dá)</span><span times="" new="" style="margin: 0px; padding: 0px; line-height: 24px;">3</span><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">A</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">，測(cè)量時(shí)能有效地補(bǔ)償大電感設(shè)備電流慣性，加速了鐵芯飽和，從而縮短了充電時(shí)間，提高了測(cè)試速度，比傳統(tǒng)儀器單、雙臂電橋快幾百倍。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">2. 準(zhǔn)確度高：本儀器除了采用*的四端子測(cè)量法外，而且還采用*的恒流電源技術(shù)，使得對(duì)感性負(fù)載充電電流保持在一個(gè)相對(duì)的穩(wěn)定值，抗感能力穩(wěn)定，抗干擾能力強(qiáng)，進(jìn)而保證了測(cè)量準(zhǔn)確度。并且</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">采用國(guó)外進(jìn)口優(yōu)質(zhì)元器件，測(cè)量結(jié)果準(zhǔn)確度高，重復(fù)性好。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">3. 測(cè)量范圍廣：</span><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: 宋體;">電阻測(cè)量范圍為</span>1μΩ</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">～</span><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">2</span><span times="" new="" style="margin: 0px; padding: 0px; line-height: 24px;">0k</span><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;"><span times="" new="" style="margin: 0px; padding: 0px;">Ω</span><span style="margin: 0px; padding: 0px; font-family: 宋體;">，量程廣。</span></span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">4. 交直流兩用：本儀器</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">內(nèi)附可充電電池組，</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">交直流供電，便攜式設(shè)計(jì)，使用、攜帶方便。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 黑體; font-size: 19px;"> </span><strong><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 20px;">四、</span></strong></span><strong style="font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體;"><strong>ZZC-3A變壓器直流電阻測(cè)試儀</strong>【上?？档请姎狻?/span></strong><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong><span style="margin: 0px; padding: 0px; font-family: 宋體; background: rgb(0, 0, 0); color: rgb(255, 255, 255);">技術(shù)指標(biāo)</span></strong></span></p><h1 style="margin: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong></strong></span></h1><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">1、使用條件：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">環(huán)境溫度：0℃～40℃</span>;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">相對(duì)溫度：≤85％RH。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">2、測(cè)量范圍：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">本機(jī)共設(shè)置七檔量程，分別為：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;">1μ<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>20m<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω</span>;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;">20 m<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>200m<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω</span>;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;">0.2<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>2<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω</span>;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;">2<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>20<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω</span>;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;">20<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>200<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω</span>;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;">20<span style="margin: 0px; padding: 0px; font-size: 16px;">0Ω～</span>2<span style="margin: 0px; padding: 0px; font-size: 16px;">kΩ</span>;</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;">2<span style="margin: 0px; padding: 0px; font-size: 16px;">kΩ～</span>2<span style="margin: 0px; padding: 0px; font-size: 16px;">0</span>k<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">3、測(cè)量精度：±(0.2%+2d)</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">4、最高分辨率：1μΩ</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">5、恒流源：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">3A（</span>1μ<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>20m<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω、</span>20 m<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>200m<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω、</span>0.2<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>2<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω）；</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">300</span>mA(2<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>20<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω</span>)<span style="margin: 0px; padding: 0px; font-size: 16px;">；</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">15</span>mA<span style="margin: 0px; padding: 0px; font-size: 16px;">（</span>20<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω～</span>200<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω）；</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">1.5m</span>A<span style="margin: 0px; padding: 0px; font-size: 16px;">（</span>20<span style="margin: 0px; padding: 0px; font-size: 16px;">0Ω～</span>2k<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω）；</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">150u</span>A<span style="margin: 0px; padding: 0px; font-size: 16px;">（</span>2<span style="margin: 0px; padding: 0px; font-size: 16px;">kΩ～</span>2<span style="margin: 0px; padding: 0px; font-size: 16px;">0</span>k<span style="margin: 0px; padding: 0px; font-size: 16px;">Ω）。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">6、工作電壓：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">直流：12V～16.8V；</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 70px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">交流：220V。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">7、功耗：≤15W</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">8、外形尺寸：365×330×180</span>mm</span><sup><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; vertical-align: super; font-size: 16px;">3</span></sup></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">9、質(zhì)量：5</span>kg<span style="margin: 0px; padding: 0px; font-size: 16px;">（含測(cè)試鉗和測(cè)試線）</span></span></p><h1 style="margin: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong><span style="margin: 0px; padding: 0px; font-family: 宋體;">五、</span></strong><strong><span style="margin: 0px; padding: 0px; font-family: 宋體; background: rgb(0, 0, 0); color: rgb(255, 255, 255);">面板結(jié)構(gòu)</span></strong><strong></strong></span></h1><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-align: center;"><img src="https://img64.chem17.com/gxhpic_884f2b1889/1cba7c2130d463f0338a3fe8e16ac92bed262496184f12197d28085d83f4d5393740285f3a814328.png" width="597" height="521" title="T72%ZV8A_N%U~@F)~TJ{XNP.png" alt="T72%ZV8A_N%U~@F)~TJ{XNP.png" style="margin: 0px; padding: 0px; border: none; max-width: 800px; max-height: 300%;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-align: center; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 14px;"> <br/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-align: center; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">圖一面板布局圖</span></p><div id="661161111" class="tabledivclass" style="margin: 0px; padding: 0px; list-style: none; border: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; width: 99%; float: left;"><table border="0" cellspacing="0" align="left" style="max-width: 748px;"><tbody><tr class="firstRow" style="height: 23px;"><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">1、電阻量程選擇鍵</span></p></td><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">2、電阻顯示</span></p></td><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">3、溫度/電流顯示</span></p></td></tr><tr style="height: 33px;"><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">4、溫度傳感器</span></p></td><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">5、溫度/電流選擇</span></p></td><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">6、測(cè)試線插孔</span></p></td></tr><tr style="height: 31px;"><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">7、工作狀態(tài)指示燈</span></p></td><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">8、啟停鍵</span></p></td><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">9、電源開(kāi)關(guān)</span></p></td></tr><tr style="height: 31px;"><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">10、電源指示燈</span></p></td><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">11、220V電源插座</span></p></td><td width="189" valign="top" style="margin: 0px; padding-right: 7px; padding-left: 7px; border-width: initial; border-style: none; border-color: initial;"><p style="text-indent: 31px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">12、接地</span></p></td></tr></tbody></table></div><h1 style="margin: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong><span style="margin: 0px; padding: 0px; font-family: 宋體;">六、</span></strong><strong><span style="margin: 0px; padding: 0px; font-family: 宋體; background: rgb(0, 0, 0); color: rgb(255, 255, 255);">工作原理</span></strong><strong></strong></span></h1><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 16px;">本儀器內(nèi)有一個(gè)能產(chǎn)生直流電流的恒流源。在測(cè)量電阻時(shí)，恒流從I＋、I－端向被試品饋入恒流，該電流在被測(cè)體上產(chǎn)生相應(yīng)的電壓值，這一電壓值在V＋、V－端取回本機(jī)，經(jīng)放大后，直接用四位半LCD數(shù)字顯示被試品的電阻值。</span></p><h1 style="margin: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); white-space: normal;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><strong><span style="margin: 0px; padding: 0px; font-family: 宋體;">七、</span></strong><strong><span style="margin: 0px; padding: 0px; font-family: 宋體; background: rgb(0, 0, 0); color: rgb(255, 255, 255);">使用方法</span></strong><strong></strong></span></h1><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;"><span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">1</span>、電源</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">本儀器有兩種供電方式：<span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">AC220V</span>／<span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">DC14.8V</span>。在強(qiáng)電磁場(chǎng)干擾的情況下，建議最好使用直流電源測(cè)試，此狀態(tài)下測(cè)試的數(shù)值穩(wěn)定，抗工頻干擾能力強(qiáng)。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;"><span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">A</span>、直流電源測(cè)試：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">閉合電源開(kāi)關(guān)，電源指示燈亮，按下“啟停"鍵，即可選擇相應(yīng)電阻檔位開(kāi)關(guān)進(jìn)行測(cè)試。測(cè)試完畢后，按下“啟停"鍵，“放電"指示燈亮（若被試品儲(chǔ)存電量較小，則“放電"指示燈不亮），放電后，“放電"指示燈熄滅，再轉(zhuǎn)換測(cè)試夾，進(jìn)行再次測(cè)試。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">B</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">、交流電源測(cè)試：</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">接上交流</span><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">AC220V</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">電源，相應(yīng)指示燈（“充電"指示燈或者“充滿"指示燈）亮，閉合電源開(kāi)關(guān)，電源指示燈亮，按下“啟停"鍵，即可選擇相應(yīng)電阻檔位開(kāi)關(guān)進(jìn)行測(cè)試。測(cè)試完畢后，按下“啟停"鍵，“放電"指示燈亮（若被試品儲(chǔ)存電量較小，則“放電"指示燈不亮），放電后，“放電"指示燈熄滅，再轉(zhuǎn)換測(cè)試夾，進(jìn)行再次測(cè)試。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">Ｃ、充電：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">接上交流<span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">AC220V</span>電源，此時(shí)“充電"指示燈亮，表示正在對(duì)儀器內(nèi)的充電電池進(jìn)行充電工作。若儀器內(nèi)的可充電電池電量較足，則“充滿"指示燈亮。儀器在使用交流電源測(cè)試的同時(shí)也在對(duì)機(jī)內(nèi)電池進(jìn)行充電。（儀器設(shè)計(jì)了充電保護(hù)電路，不會(huì)有過(guò)充現(xiàn)象產(chǎn)生）</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">2</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">、測(cè)試線的聯(lián)接方法</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">將儀器的<span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">I</span>＋、<span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">V</span>＋、<span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">V</span>－、<span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; line-height: 24px;">I</span>－端子與被試品按圖二的方法聯(lián)接好。這種聯(lián)接法，可消除接觸電阻以及聯(lián)線電阻對(duì)測(cè)量的影響。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-align: center;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 16px;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-align: center;"><br/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-align: center;"><img src="https://img67.chem17.com/gxhpic_884f2b1889/1cba7c2130d463f0338a3fe8e16ac92b9f2b00522543628217727eac3a6e9d8bf54910bc3e440f04.png" width="324" height="234" title="`]`MP2IL_NAWO4_5QD@A3Z5.png" alt="`]`MP2IL_NAWO4_5QD@A3Z5.png" style="margin: 0px; padding: 0px; border: none; max-width: 800px; max-height: 300%;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 16px;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-align: center;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 16px;"> </span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-align: center;"><span style="margin: 0px; padding: 0px; font-family: 宋體; font-size: 16px;">圖二接線圖</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px; font-size: 16px;">在使用中，如果儀器隨帶的測(cè)試線長(zhǎng)度不夠，可使用直徑相當(dāng)?shù)膶?dǎo)線將測(cè)試線加長(zhǎng)。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">3</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">、測(cè)量</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; text-indent: 40px; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">按圖二接好測(cè)試線后，閉合電源開(kāi)關(guān)，電源指示燈亮，按下“啟停"鍵，此時(shí)表頭顯示“</span><span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; font-size: 16px;">E0000</span><span style="margin: 0px; padding: 0px; font-size: 16px;">"。根據(jù)被測(cè)值的大小選定電阻檔位量程，按下該檔開(kāi)關(guān)，此時(shí)該檔指示燈亮，四位半</span><span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; font-size: 16px;">LCD</span><span style="margin: 0px; padding: 0px; font-size: 16px;">顯示的穩(wěn)定值即為被測(cè)的電阻值，讀值時(shí)請(qǐng)注意所選量程上的單位（</span></span><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">m</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 30px; font-size: 20px;"><span style="margin: 0px; padding: 0px; font-size: 16px;">Ω</span><span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; font-size: 16px;">/</span><span style="margin: 0px; padding: 0px; font-size: 16px;">Ω</span><span times="" new="" style="margin: 0px; padding: 0px; font-family: 微軟雅黑; font-size: 16px;">/</span></span><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">k</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 24px;">Ω）。在測(cè)量大電感試品如電力變壓器時(shí)，在測(cè)試回路以外的其它不需測(cè)量的線圈最好將其短路，以免電磁干擾。</span></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: 微軟雅黑; color: rgb(51, 51, 51); font-size: 13px; white-space: normal; line-height: 19.5px;"><span style="margin: 0px; padding: 0px; font-size: 16px;"><span times="" new="" line-height:="" font-size:="" style="margin: 0px; padding: 0px;">4</span><span style="margin: 0px; padding: 0px; font-family: 宋體; line-height: 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