介电常数测量�?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"> <p><span><strong>一、概�?/strong></span></p><p><span><sup><span><sub><strong>介电常数测量�?/strong>能在较高的测试频率条件下，测量高频电感或谐振回路的Q值，电感器的电感量和分布电容量，电容器的电容量和损耗角正切值，电工材料的高频介质损耗，高频回路有效并联及串联电阻，传输线的特性阻抗等。该仪器广泛地用于科研机关、学校、工厂等单位、�/sub></span></sup></span></p><p><span><sub><span><strong>介电常数测量�?/strong>是中航时代公�?*研制的产品。它以DDS数字直接合成方式产生信号源，频率�?60MHz，信号源具有信号失真小，频率精确、信号幅度稳定的优点，更保证了测量精度的精确性，主电容调节用步进马达控制，频率和电容值可设置，电容、电感、Q值、频率、量程都用数字显示。在某一频率下，只要能找到谐振点，都能直接读出电感、电容值，大大扩展了电感的测量范围，而不再是固定的几个频率下才能测出电感值的大小。ZJD-C特有的谐振点频率自动搜索或电容自动搜索功能，能帮助你在使用时快速地找到被测量器件的谐振点，自动读出Q值和其它参数。Q值量程可手动或自动转换、�/span></sub></span></p><p><span><strong>二、工作特�?/strong></span></p><table align="center" cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><span>序号</span></td><td><span>项目</span></td><td><span>参数</span></td></tr><tr><td><span>1</span></td><td><span>Q值测野�/span></td><td></td></tr><tr><td><span>2</span></td><td><span>Q值测量范図�/span></td><td><span>2�?023</span></td></tr><tr><td><span>3</span></td><td><span>Q值量程分桢�/span></td><td><span>30�?00�?00�?000、自动换档或手动换档</span></td></tr><tr><td><span>4</span></td><td><span>标称误差</span></td><td></td></tr><tr><td><span>5</span></td><td><span>频率范围</span></td><td><span>�?00kHz�?0MHz）（10MHz�?60MHz（�/span></td></tr><tr><td><span>6</span></td><td><span>固有误差</span></td><td><span>�?�?#177;满度值的2% �?�?#177;满度值的2%</span></td></tr><tr><td><span>7</span></td><td><span>工作误差</span></td><td><span>�?�?#177;满度值的2% �?�?#177;满度值的2%</span></td></tr><tr><td><span>8</span></td><td><span>电感测量范围</span></td><td><span>4.5nH~7.9mH</span></td></tr><tr><td><span>9</span></td><td><span>电容测量</span></td><td><span>1~205</span></td></tr><tr><td><span>10</span></td><td><span>主电容调节范図�/span></td><td><span>18�?20pF</span></td></tr><tr><td><span>11</span></td><td><span>准确�?/span></td><td><span>150pF以下��1.5pF� 150pF以上��1%</span></td></tr><tr><td><span>12</span></td><td><span>信号源频率覆盖范図�/span></td><td><span>CH3:10�?9.9999MHz� CH1 :100�?60MHz</span></td></tr><tr><td><span>13</span></td><td><span>频率范围</span></td><td><span>CH1:0.1�?.999999MHz� CH2: 1�?.99999MHz</span></td></tr><tr><td><span>14</span></td><td><span>Q合格指示预置功能</span></td><td><span>预置范围�?�?000</span></td></tr><tr><td><span>15</span></td><td><span>正常工作条件９�/span></td><td></td></tr><tr><td><span>16</span></td><td><span>环境温度</span></td><td><span>0℃～+40ℂ�/span></td></tr><tr><td><span>17</span></td><td><span>相对湿度</span></td><td><span><80＄�/span></td></tr><tr><td><span>18</span></td><td><span>电源</span></td><td><span>220V��22V�?0Hz��2.5Hz</span></td></tr><tr><td><span>19</span></td><td><span>消耗功玆�/span></td><td><span>�?5W</span></td></tr><tr><td><span>20</span></td><td><span>净里�/span></td><td><span>�?kg</span></td></tr><tr><td><span>21</span></td><td><span>外型尺寸</span></td><td><span>（l��b��h）mm�?80��132��280</span></td></tr></tbody></table> </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="278018" /> <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）">