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</div> <div id="1qypfnb" class="page-productshow clearfix">  <div id="10qx1e0" class="pro_detail_main"> <div id="60e60o6" class="prodetail_img"> <div class="e066udz" id="preview"> <div id="e110hqg" class="jqzoom" id="spec-n1"> <div class="lmv66w0" id="ceshi" style=""> <img src="http://img48.chem17.com/gxhpic_22d2937a21/1b3ce928e5c7b77914780931a4114d4033dc723756e9c9e422a68d02505274351191eee80ee0c6a1.jpg" jqimg="http://img48.chem17.com/gxhpic_22d2937a21/1b3ce928e5c7b77914780931a4114d4033dc723756e9c9e422a68d02505274351191eee80ee0c6a1.jpg" /> </div> </div> <div class="6mf15ou" id="spec-n5"> <div class="116vljy" id="spec-list"> <ul class="list-h"> <li><p><img onclick="jQuery('.videoItem').hide();mybaidu.window.SetPause();" src="http://img48.chem17.com/gxhpic_22d2937a21/1b3ce928e5c7b77914780931a4114d4033dc723756e9c9e422a68d02505274351191eee80ee0c6a1_800_800_5.jpg" alt="" data-zoom-image="http://img48.chem17.com/gxhpic_22d2937a21/1b3ce928e5c7b77914780931a4114d4033dc723756e9c9e422a68d02505274351191eee80ee0c6a1_800_800_5.jpg" onload="DrawImage(this,460,300)"></p></li> <li><p><img onclick="jQuery('.videoItem').hide();mybaidu.window.SetPause();" src="http://img50.chem17.com/gxhpic_22d2937a21/1b3ce928e5c7b77938072e08864f9a1fd0893c4144534607317d9b09d9394aae870e7f0747bc0540_800_800_5.jpg" alt="" data-zoom-image="http://img50.chem17.com/gxhpic_22d2937a21/1b3ce928e5c7b77938072e08864f9a1fd0893c4144534607317d9b09d9394aae870e7f0747bc0540_800_800_5.jpg" onload="DrawImage(this,460,300)"></p></li> </ul> </div> </div> </div> </div> <div id="6vll1d5" class="pro_detail_text"> <h1>HLY-200回路電阻測試儀</h1> <div id="16g0g51" class="jyms"><p><span>簡(jiǎn)要描述：</span>HLY-200回路電阻測試儀適用于高低壓開(kāi)關(guān)接觸（回路）電阻、電纜線(xiàn)路直流電阻值的高精度測量，同樣適用于其它需要大電流、微電阻測量的場(chǎng)合。</p></div> <ul> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>產(chǎn)品型號：</span></li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>廠(chǎng)商性質(zhì)：</span>生產(chǎn)廠(chǎng)家</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>更新時(shí)間：</span>2024-11-07</li> <li><img src="/skins/333987/images/prodetail_cs_icon.png" /><span>訪(fǎng) 問(wèn) 量：</span>1775</li> </ul> <div id="66l55jp" class="pro_detail_btn"> <a href="/order.html" class="prodtl_btn1">產(chǎn)品咨詢(xún)</a><a href="/contact.html" class="prodtl_btn2">聯(lián)系我們</a> </div> </div> <div id="6560we5" class="clear"></div> </div>  </div> <div id="dq0g5g1" class="lhtab"><span id="d06ndcz" class="on span1">產(chǎn)品詳情</span><span id="c16161d" class="span2">在線(xiàn)留言</span></div> <div id="60bgo56" class="page-procon"> <p><span style="font-size:16px"><strong>HLY-200A回路電阻測試儀概括</strong></span></p><p><span style="font-size:16px">接觸電阻的測量電力系統中普遍采用常規的QJ44型雙臂直流電橋，而這類(lèi)電橋的測試電流僅m*，難以發(fā)現回路導體截面積減少的缺陷，在測量高壓開(kāi)關(guān)導電回路接觸電阻時(shí)，由于受觸頭之間油膜和氧化層的影響，測量值偏大若干倍，無(wú)法真實(shí)的反映接觸電阻值。為此，電力部標準SD301—88《交流500KV電力設備交接和預防性試驗規程》和新版《電力設備預防性試驗規程》作出對斷路器、隔離開(kāi)關(guān)接觸電阻的測量電流不小于直流100A的規定，以確保試驗結果準確。該儀器是根據中華人民共和國電力執行標準DL/T845.4-2004，采用高頻開(kāi)關(guān)電源技術(shù)和數字電路技術(shù)相結合設計而成。它適用于開(kāi)關(guān)控制設備回路電阻的測量。該儀器測量準確、性能穩定，符合電力、供電部門(mén)現場(chǎng)高壓開(kāi)關(guān)維修和高壓開(kāi)關(guān)廠(chǎng)回路電阻測試的要求。</span></p><p><span style="font-size:16px"><strong>HLY-200A回路電阻測試儀型號產(chǎn)品用途</strong></span></p><p><span style="font-size:16px">該儀器適用于高壓開(kāi)關(guān)接觸電阻（回路電阻）的高精度測量，同樣適用于其它需要大電流、微電阻測量的場(chǎng)合。</span></p><p><span style="font-size:16px"><strong>HLY-200A回路電阻測試儀性能特點(diǎn)</strong></span></p><p><span style="font-size:16px">1、大電流：采用電源技術(shù)，能長(cháng)時(shí)間連續輸出大電流，克服了脈沖式電源瞬間電流的弊端，可以有效的擊穿開(kāi)關(guān)觸頭氧化膜，得到良好的測試結果。<br/>2、抗干擾能力強：在嚴重干擾條件下，液晶屏后一位數據能穩定在±1個(gè)字范圍內，讀數穩定，重復性好。<br/>3、使用壽命長(cháng)：全部采用高精度電阻，有效的消除環(huán)境溫度對測量結果的影響，同時(shí)接插件的使用增強了抗振性能。<br/>4、攜帶方便：體積小、重量輕。</span></p><p><span style="font-size:16px"><strong>HLY-200A回路電阻測試儀技術(shù)參數</strong></span></p><div id="6l5u01l" class="tabledivclass" style="width: 99%; float: left;"><table class="CS_table" style="background-color: rgb(255, 255, 255); border-collapse: collapse; border-color: rgb(204, 204, 204); border-image: initial; border-style: solid; border-width: 2px 0px 0px 1px; color: rgb(51, 51, 51); empty-cells: show; font-family: "microsoft yahei", 瀹?huà)浣? arial; font-size: 13px; font-stretch: normal; line-height: 19.5px; list-style-type: none; margin: 0px; padding: 0px; width: 100%; max-width: 748px;" align="left"><tbody><tr class="firstRow"><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">測量范圍</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">1～1999μΩ</span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">分辨力</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">1μΩ</span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">測試電流</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">DC 50A、100A兩檔固定輸出</span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">測量精度</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">0.5%±1d</span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">工作方式</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">連續</span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">顯示方式</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">三位半LCD</span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">工作電源</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">AC220V±10%，50Hz</span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">工作環(huán)境</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">溫度:-10℃～40℃；濕度：≤80%RH</span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">體積</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">300×290×220mm<sup>3</sup></span></td></tr><tr><td style="border-color:rgb(204, 204, 204); text-align:center; width:130px"><span style="font-size:16px">重量</span></td><td style="border-color:rgb(204, 204, 204)"><span style="font-size:16px">6kg（不含附件）</span></td></tr></tbody></table></div><p><br/></p> <div id="110010e" class="pagetb"> <p> 上一條：<a href="/Products-31006238.html">HLY-200B回路電阻測試儀</a></p> <p> 下一條：<a href="/Products-31006289.html">M9000漏電保護器測試儀</a></p> </div> </div> <div id="0wl5gv5" class="page-messages" style="display: none;"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <a name="order" id="order"></a> <div id="yk5g1j0" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> <div id="51t0x16" class="msg_ipt1"><input class="textborder" size="30" name="Product" id="Product" value="HLY-200回路電阻測試儀" placeholder="請輸入產(chǎn)品名稱(chēng)" /></div> </li> <li> <h4>您的單位：</h4> <div id="jy60oeb" class="msg_ipt12"><input class="textborder" 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