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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span>GB/T 5654、IEC 60247标准，绝缘材料的介质损耗因素是损耗角的正切。当电容器的介质仅由一种绝缘材料组成时，损耗角是指外施电压与由此引起的电流之间的相位差偏离��/2的弧度。绝缘材料的体积电阻率是在材料内的直流电场强度与稳态电流密度的比值、�/span></p><p><span>l </span><span>TP673 介损及体积电阻率测定仪广泛应用于电力、石油、化工等行业中，应用于变 压器、油断路器、充油电缆、电力电容器和油套管等高压电气设备中。在运行中，绝缘油由于收到氧气、高温度、高湿度、阳光、强电场和杂质的作用� 性能会逐渐变坏，致使它不能充分发挥绝缘作用，必须定期地对绝缘油进行有关试验，以鉴定其性能是否变坏，因此绝缘油的质量与击穿电压有密切的关系、�/span></p><p><span>l </span><span>采用中频感应加热，室温加热至控温＇�/span>90℃）并恒温自动测量只需 15分钟、�/span></p><p><span>l </span><span>同时测量油介损及体积电阻率或任选一项、�/span></p><p><span>l </span><span>采用大屏幕液晶显示器，只需按照中文菜单提示，输入指令，仪器即可自动工作、�/span></p><p><span>l </span><span>具有通讯功能，可配置电脑进行实时监测，动态观察油介损值随油温变化并描绘成图、�/span></p><p><span>l </span><span>自动显示测量结果，并进行数据打印保存、�/span></p><p><span>l </span><span>具有过压、过流、短路保护，并具有高压指示，还具有报警提示功能、�/span></p><p><span>l </span><span>采用先进的干式变压器组合，具有体积小巧、重量轻、使用方便、�/span></p><p><span>测温范围９�/span>(0�?25)� </span></p><p><span>环境温度９�/span>(0℃～40)ℂ�/span></p><p><span>相对湿度９�/span>�?5%</span></p><p><span>温度测量误差９�/span> ��0.5ℂ�/span></p><p><span>交流试验电压９�/span> (500�?200)V 连续可调＋�/span></p><p><span>频率</span>50Hz</span></p><p><span>直流试验电压９�/span>(0�?00)V 连续可调</span></p><p><span>电源电压９�/span> AC 220V��10% 50Hz��10%</span></p><p><span>办�/span><span>耗：</span> � 100W</span></p><p><span>外型尺寸９�/span> 500mm��360mm��420mm</span></p><p><span>怺�/span><span>里�/span><span>量：</span> 22kg</span></p><p><span>测量范围９�/span><span>电容野�/span> 5.0pF�?00.0pF</span></p><p><span>相对电容玆�/span> 1.000�?0.000</span></p><p><span>介质损耗因�?/span> 0.00001�?00</span></p><p><span>直流电阻率：</span> 2.5M��m�?0T��m</span></p><p><span>测量精度９�/span><span>电容野�/span> ��(1%读数+0.5pF) </span></p><p><span>相对电容玆�/span> ��1%读数</span></p><p><span>介质损耗因�?/span> ���?%读�?0.02%（�/span></p><p><span>直流电阻玆�/span> ��10%读数</span></p><p><span>刅�/span><span>�?/span><span>率：</span><span>电容野�/span> 0.01pF</span></p><p><span>相对电容玆�/span> 0.001</span></p><p><span>介质损耗因�?/span> 0.00001</span></p><p><span>注意事项</span></p><p><span>1.产品接地。本产品除通过电源线接地导线接� </span></p><p><span>外，产品外壳的接地柱必须接地。为了防止电</span></p><p><span>击，接地导体必须与地面相连。在与本产品辒�/span></p><p><span>入或输出终端连接前，应确保本产品已正确接</span></p><p><span>地、�/span></p><p><span>2.注意所有终端的额定值。为了防止火灾或电击</span></p><p><span>危险，请注意本产品的所有额定值和标记。在</span></p><p><span>对本产品进行连接之前，请阅读本产品使用说</span></p><p><span>明书，以便进一步了解有关额定值的信息、�/span></p><p><span>l </span><span>配件指南</span></p><p><span>l </span><span>介损油杯</span></p><p><span>l </span><span>量筒</span></p><p><span>l </span><span>专用测试电缆</span></p><p><span>l </span><span>温度探头</span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="291978" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">