DZ5001介电常数测定�?参数-价格-中国粉体罐�/title>

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}else{ $(".fixdbox").css({"display":"none"}); } $(".fixdbox_main_left div").css({"color":"#4F5862","border-bottom-color":"transparent"}); if($(this).scrollTop()>=_wsj){ $(".fixdbox_main_left div").eq(6).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_gsdt){ $(".fixdbox_main_left div").eq(5).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_yhpl){ $(".fixdbox_main_left div").eq(4).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgzl){ $(".fixdbox_main_left div").eq(3).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgfa){ $(".fixdbox_main_left div").eq(2).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cxd){ $(".fixdbox_main_left div").eq(1).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cpjj){ $(".fixdbox_main_left div").eq(0).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); } }); function showliuyan(me, showtype){ if(showtype==0){ //$("#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><strong></strong></p><p><strong></strong></p><p><span><strong><span>产品介绍:</span></strong></span></p><p><span>介质损耗和介电常数是各种金属氧化物，板材，瓷器（陶器），云母，玻璃，塑料等物质的一项重要的物理性质。通过测定可进一步了解影响介质损耗和介电常数的各种因素，为提高材料的性能提供依据。该仪器用于科研机关、学校、工厂等单位对无机金属新材料性能的应用研究、�/span></p><p><strong></strong></p><p><strong><span>应用范围９�/span></strong></p><p><span>测量绝缘材料的介电常数和介质损耗系数（损耗角正切值）</span></p><p><strong><span>技术参数：</span></strong></p><p><span>1.信号源：</span>DDS<span>数字合成</span> 10KHZ-70MHz</span></p><p><span>2.调谐电容：主电容</span>30-500PF</span></p><p><span>3.调谐电容误差和分辨率</span><span>��</span>1.5P<span>戕�/span><1%</span></p><p><span>4.Q<span>测量范围９�/span>1-1000<span>自动</span>/<span>手动量程</span></p><p><span>5.Q<span>测量工作误差</span><5%</span></p><p><span>6.Q<span>分辨率：</span>4<span>位有效数，分辨率</span>0.1</span></p><p><strong><span>独有技术：</span></strong></p><p><span>仪器自动扣除残余电感和测试引线电感。大幅提高测量精度、�/span></p><p><span>大电容值直接测量显示、�/span></p><p><span>数显微测量装置，直接读倻�/span><span>、�/span></p><p><strong><span>参照国标</span></strong></p><p><span>GB/T 1693-2007</span></p><p><strong>详情� 400-05******</strong></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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