高频介电常数测定�?参数-价格-中国粉体罐�/title>

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</span></strong><strong><span>概述</span></strong></h2><h3><strong><span>1.1产品特点</span></strong></h3><p>　　<span><strong>介电常数介质损耗测试仪</strong>能在较高的测试频率条件下，测量高频电感或谐振回路皃�/span><span>Q</span><span>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、�/span></p><p><span> 介电常数介质损耗测试仪�?/span><span>北京中航鼎力仪器设备</span><span>有限公司新研制的产品，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。测试仪主电容调节用传感器感应，电容读数精确，且频率值可设置。、�strong>介电常数及介质损耗测试仪</strong>的电容、电感�?/span><span>Q</span><span>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。介电常数介质损耗测试仪</span><span>特有皃�/span><span>谐振点频率自动搜索功能，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</span><span>Q</span><span>值和其它参数、�/span><span>Q</span><span>值量程可手动或自动转换、�/span></p><h2><strong><span>二� </span></strong><strong><span>结构特征与工作原琅�/span></strong></h2><h3><strong><span>1、系统组戏�/span></strong></h3><p>　　<span>介电常数介质损耗测试仪</span><span>由S916测试装置（夹具）�?/span><span>LJD-C</span><span>型高频Q表、数据采集和tan��自动测量控件（装�?/span><span>LJD-C</span><span>)、及LKI-1型电感器组成，它依据国标GB/T 1409-2006、美标ASTM D150以及国际电工委员会IEC60250的规定设计制作。系统提供了绝缘材料的高频介质损耗角正切�?tan��)和介电常�?��)自动测量�?jia解决方案、�/span></p><p><span>1. </span><span>基于串联谐振原理的〉�/span><span>LJD-C</span><span>高频Q表》是测试系统的二次仪表，其数码化主调电容器的创新设计代表了行业的zui高成就，随之带来了频率、电容双扫描(</span><span>LJD-C</span><span>)的全新搜索功能。该表具有先进的人机界面，采用LCD液晶屏显示各测量因子：Q值、电感L、主调电容器C、测</span><span>试频率F、谐振趋势指针等。高频信源采用直接数字合成，测试频率</span><span>100</span><span>KHz-</span><span>1</span><span>60MH，频率精度高�?��10-6。国标GB/T 1409-2006规定了用Q表法来测定电工材料高频介质损耗角正切�?tan��)和介电常�?��)，把被测材料作为平板电容的介质，与辅助电感等构成串联谐振因子引入Q表的测试回路，以获取zui高的测试灵敏度。因而Q表法的测试结果更真实地反映了介质在高频工作状态下的特征、�/span></p><p></p><p><span>2�?/span><span>〉�/span><span>A</span><span>S916介质损耗装置�?测试夹具)是测试系统的核心检测部件，它由一个LCD数字显示的微测量装置和一对经精密加工的、间距可调的平板电容器极片组成。平板电容器极片用于夹持被测材料样品，微测量装置则显示被测材料样品的厚度。通过被测材料样品放进平板电容器和不放进样品时的Q值变化的量化，测得绝缘材料的损耗角正切值。从平板电容器平板间距的读值变化则可换算得到绝缘材料介电常数、�/span><span>A</span><span>S916介质损耗测试装置是本公司新研制的更新换代产品，精密的加工设计、精确的LCD数字读出、一键式清零功能，克服了机械刻度读数误差和圆筒形甴�/span></p><p><span>容装置不可避免的测量误差、�/span></p><p><span>3�?/span><span>一个高品质因数（Q)的电感器是测量系统必不可少的辅助工具，关乎测试的灵敏度和精度，在系统中它与平板电容（</span><span>A</span><span>S916）构成了基于串联谐振的测试回路。本系统推荐的电感器为LKI-1电感组，共由9个高性能电感器组成，以适配不同的检测频率、�/span></p><p><span>4�?/span><span>数据采集和tan��自动测量控件（装入AS2853A)，实现了数据采集、数据分析和计算的微处理化，tan�� 测量结果的获得无须繁琐的人工处理，因而提高了数据的精确度和测量的同一性，是人工读值和人工计算无法比拟的、�/span></p><p><strong><span>三、主要技术特性及配置</span></strong></p><h3><strong><span>主要配置</span></strong></h3><table align="center" cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>序号</span></p></td><td><p><span>� 戏�/span></p></td><td><p><span>� 叶�/span></p></td><td><p><span>数量</span></p></td><td><p><span>� � � 宵�/span></p></td></tr><tr><td rowspan="3"><p><span>1</span></p></td><td><p><span>主机</span></p></td><td><p><span>LJD-C</span></p></td><td><p><span>1�?/span></p></td><td>中航鼎力</td></tr><tr><td><p><span>测试装置（夹具）</span></p></td><td><p><span>A</span><span>S916</span></p></td><td><p><span>1�?/span></p></td><td></td></tr><tr><td><p><span>标准电感</span></p></td><td><p><span>HLKI-1</span></p></td><td><p><span>1奖�/span></p></td><td></td></tr><tr><td><p><span>2</span></p></td><td><p><span>三电极系�?油中、空气中) 油中带油� </span></p></td><td></td><td><p><span>�?奖�/span></p></td><td></td></tr><tr><td><p><span>3</span></p></td><td><p><span>油槽</span></p></td><td></td><td><p><span>1�?/span></p></td><td></td></tr><tr><td><p><span>4</span></p></td><td><p><span>日常维修工具</span></p></td><td></td><td><p><span>1奖�/span></p></td><td></td></tr><tr><td></td><td><p><span>说明�?/span></p></td><td></td><td></td><td></td></tr></tbody></table><p><span>一－�/span><span>LJD-C</span><span>�?）Q值测野�/span></p><p><span> a．Q值测量范围：2�?023、�/span></p><p><span> b．Q值量程分档：30�?00�?00�?000、自动换档或手动换档、�/span></p><p><span> c．标称误�?/span></p><p><span>频率范围 100kHz�?0MHz：�/span></p><p><span>固有误差 �?�?#177;满度值的2％；</span></p><p><span>工作误差 �?�?#177;满度值的2％；</span></p><p><span>频率范围 10MHz�?60MHz：�/span></p><p><span>固有误差 �?�?#177;满度值的2％；</span></p><p><span>工作误差 �?�?#177;满度值的2％、�/span></p><p><span>�?）电感测量范围：</span><span>4.5nH</span><span>�?40m</span><span>H</span></p><p><span>�?）电容测量：18~240pF</span></p><p><span>� �?/span></p><p><span> 直接测量范围 1�?60pF</span></p><p><span> 主电容调节范� 30�?00pF</span></p><p><span>� � � 150pF以下��1pF：�/span></p><p><span>150pF以上��1＄�/span></p><p><span>�?）信号源频率覆盖范围</span></p><p><span>� �?/span></p><p><span>频率范围 100kHz�?60MHz</span></p><p><span>频率分段（虚拟） 0.1�?.999999MHz</span></p><p><span>1�?.99999MHz</span></p><p><span>10�?9.9999MHz</span></p><p><span>100�?60MHz</span></p><p><span>频率指示误差 3��10-5��1个字</span></p><p><span>�?）Q合格指示预置功能</span></p><p><span> 预置范围�?�?000、�/span></p><p><span>�?）Q表正常工作条仵�/span></p><p><span> a. 环境温度�?℃～+40℃； </span></p><p><span>b．相对湿度：<80％； </span></p><p><span>c．电源：220V��22V� 50Hz��2.5Hz、�/span></p><p><span>�?AS916测试夹具</span></p><p><span>平板电容极片��50mm/��38mm可选频率范図�/span></p><p><span>100KHz</span><span>-160MHz</span></p><p><span>间距可调范围�?5mm频率指示误差</span></p><p><span>3��10-5��1个字</span></p><p><span>夹具插头间距25mm��0.01mm主电容调节范図�/span></p><p><span>18-</span><span>24</span><span>0pF</span></p><p><span>测微杆分辨率0.001mm主调电容误差</span></p><p><span><1%�?pF</span></p><p><span>夹具损耗角正切值≦4��10-4 �?MHz)Q测试范围</span><span>2�?023</span></p><p><strong><span>四�?/span></strong><strong><span>标准电感</span></strong></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>电感No</span></p></td><td><p><span>电感野�/span></p></td><td><p><span>准确�?</span></p></td><td><p><span>Q值≥</span></p></td><td><p><span>分布电容约略倻�/span></p></td><td><p><span>谐振频率范围 MHz</span></p></td><td><p><span>适合介电常数测试频率</span></p></td></tr><tr><td><p><span>1</span></p></td><td><p><span>0.1��H</span></p></td><td><p><span>��0.05��H</span></p></td><td><p><span>200</span></p></td><td><p><span>5pF</span></p></td><td><p><span>20~70</span></p></td><td><p><span>50MHz</span></p></td></tr><tr><td><p><span>2</span></p></td><td><p><span>0.5��H</span></p></td><td><p><span>��0.05��H</span></p></td><td><p><span>200</span></p></td><td><p><span>5pF</span></p></td><td><p><span>10~37</span></p></td><td><p><span>15MHz</span></p></td></tr><tr><td><p><span>3</span></p></td><td><p><span>2.5��H</span></p></td><td><p><span>��5%</span></p></td><td><p><span>200</span></p></td><td><p><span>5pF</span></p></td><td><p><span>4.6~17.4</span></p></td><td><p><span>10MHz</span></p></td></tr><tr><td><p><span>4</span></p></td><td><p><span>10��H</span></p></td><td><p><span>��5%</span></p></td><td><p><span>200</span></p></td><td><p><span>6pF</span></p></td><td><p><span>2.3~8.6</span></p></td><td><p><span>5MHz</span></p></td></tr><tr><td><p><span>5</span></p></td><td><p><span>50��H</span></p></td><td><p><span>��5%</span></p></td><td><p><span>200</span></p></td><td><p><span>6pF</span></p></td><td><p><span>1~3.75</span></p></td><td><p><span>1.5MHz</span></p></td></tr><tr><td><p><span>6</span></p></td><td><p><span>100��H</span></p></td><td><p><span>��5%</span></p></td><td><p><span>200</span></p></td><td><p><span>6pF</span></p></td><td><p><span>0.75~2.64</span></p></td><td><p><span>1MHz</span></p></td></tr><tr><td><p><span>7</span></p></td><td><p><span>1mH</span></p></td><td><p><span>��5%</span></p></td><td><p><span>150</span></p></td><td><p><span>8pF</span></p></td><td><p><span>0.23~0.84</span></p></td><td><p><span>0.5MHz</span></p></td></tr><tr><td><p><span>8</span></p></td><td><p><span>5mH</span></p></td><td><p><span>��5%</span></p></td><td><p><span>130</span></p></td><td><p><span>8pF</span></p></td><td><p><span>0.1~0.33</span></p></td><td><p><span>0.25MHz</span></p></td></tr><tr><td><p><span>9</span></p></td><td><p><span>10mH</span></p></td><td><p><span>��5%</span></p></td><td><p><span>90</span></p></td><td><p><span>8pF</span></p></td><td><p><span>0.072~0.26</span></p></td><td><p><span>0.1MHz</span></p></td></tr><tr><td><p><span>10</span></p><p><span>（选配（�/span></p></td><td><p><span>50nH</span></p></td><td><p><span>��5%</span></p></td><td><p><span> 150</span></p></td><td><p><span>5pF</span></p></td><td><p><span>70-120 </span></p></td><td><p><span>100MHz</span></p></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 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