介电常数测定�?参数-价格-中国粉体罐�/title>

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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"> <table style="width: 666px;" cellspacing="0" cellpadding="0" width="740"><tbody><tr class="firstRow"><td style="font-family: Arial, 宋体; font-size: 12px; color: rgb(139, 139, 139); line-height: 25px;" valign="middle" align="left" width="380"><span style="font-size: 13px; color: rgb(103, 52, 52); font-weight: bold;"><strong>产品名称９�/strong>介电常数测定�?/span><br/><span style="font-size: 13px; color: rgb(85, 85, 85);"><strong>产品型号９�/strong>BI-870</span><br/><span style="font-size: 13px; color: rgb(85, 85, 85);"><strong>产品描述９�/strong>介电常数测定�?/span><br/><span style="color: rgb(227, 0, 27); height: 48px; display: block; padding-top: 10px;"><img src="https://img1.cnpowder.com.cn/img/daily/2018/06/29/150839_713966_procont.gif" height="7" width="4"/> 返回产品总览</span></td><td style="font-family: Arial, 宋体; font-size: 12px; color: rgb(139, 139, 139); line-height: 20px;" align="left" width="70"><br/></td><td style="font-family: Arial, 宋体; font-size: 12px; color: rgb(139, 139, 139); line-height: 20px;" align="left" height="210" width="256"><img src="https://img1.cnpowder.com.cn/img/daily/2018/06/29/150840_041934_procont.jpg" border="0" width="200"/></td></tr></tbody></table><table style="width: 666px;" cellspacing="0" cellpadding="0" width="740"><tbody><tr class="firstRow"><td class="syy_txt" style="font-family: Arial, 宋体; font-size: 12px; color: rgb(0, 0, 0); line-height: 24px;" valign="top" align="left"><p style="line-height: 20px;"><strong>产品简介：</strong></p><p style="line-height: 20px;"> 精确的介电常数值对于Zeta电位的测量与计算是非常重要的。由于混合溶剂的介电常数无法直接从手册中查到，因而对于混合溶剂的介电常数的测量就显得非常必要。全新的BI-870介电常数测定仪不仅操作简单，而且也为Zeta的测量提供了可靠的保�? 纯净液体的介电常数值可以直接从手册上查询，混合体系的介电参数直接测量成为了*便捷方法。而且，介电常数值是参与Zeta电位计算的参数之一、�/p><p style="line-height: 20px;"><strong>详细说明９�/strong></p><p style="line-height: 20px;"><span style="font-size: 12px;"><strong><span style="font-family: 宋体;">操作原理</span></strong></span></p><p style="line-height: 20px;"><span style="font-size: 12px;"><span style="font-family: 宋体;"> 测量的驱动信号是极低失真�?0kHz正弦波，加在外层的圆筒。当测量范围1�?0时，幅度�?-volts rms；当测量范围1�?00时，幅度�?.7-volts rms。频率是由晶振控制的，有着极高的稳定度。被测液体的介电常数是由探头内外层之间的电流得到的。当由一个稳定的电压源，并精确知道探头的参数时，介电常数就可以计算出来、�/span></span><br/> </p><p style="line-height: 20px;"><span style="font-size: 12px;"><strong><span style="font-family: 宋体;">技术参�?/span></strong></span></p><p style="line-height: 20px;"><span style="font-size: 12px;"><span style="font-family: 宋体;">1.</span><span style="font-family: 宋体;">量程�?-20 �?-200</span></span></p><p style="line-height: 20px;"><span style="font-size: 12px;"><span style="font-family: 宋体;">2.</span><span style="font-family: 宋体;">精度�?%，重复性与线性度0.2%</span></span></p><p style="line-height: 20px;"><span style="font-size: 12px;"><span style="font-family: 宋体;">3.</span><span style="font-family: 宋体;">被测样品�?*电导�?-20�?uS/cm� 1-200�?0uS/cm</span></span></p><p style="line-height: 20px;"><span style="font-size: 12px;"><span style="font-family: 宋体;">4.</span><span style="font-family: 宋体;">*小样品量�?5mL</span></span></p><p style="line-height: 20px;"><span style="font-size: 12px;"><span style="font-family: 宋体;">5.</span><span style="font-family: 宋体;">探头材料：不锈钢与特氟隆</span></span></p><p style="line-height: 20px;"><span style="font-size: 12px;"><span style="font-family: 宋体;">6.</span><span style="font-family: 宋体;">测量信号：低失真�?0kHz正弦泡�/span></span></p><p style="line-height: 20px;"><span style="font-size: 12px;"><span style="font-family: 宋体;">7.</span><span style="font-family: 宋体;">显示：LCD</span></span></p></td></tr></tbody></table><p><br/></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="121440" /> <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）">