四探针电阻率测试�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><span><strong>四探针电阻率测试�?/strong>/四探针电阻率�?方阻测试�?方阻�?四探针电阻率测定仪（自动测试�?带软件） 型号：KDK-KDY-1</span></p><p><span>四探针电阻率/方阻测试仪（以下简称电阻率测试仪）是用来测量半导体材料（主要是硅单晶、锗单晶、硅片）电阻率，以及扩散层、外延层、ITO导电箔膜、导电橡胶方块电阻的测量仪器。它主要由电气测量部份（简称：主机）、测试架及四探针头组成、�/p><p>本仪器的特点是主机配置双数字表，在测量电阻率的同时，另一块数字表（以万分之几的精度）适时监测全程的电流变化，免除了测量电�?测量电阻率的转换，更及时掌控测量电流。主机还提供精度�?.05%的恒流源，使测量电流高度稳定。本机配有恒流源开关，在测量某些箔层材料时，可免除探针尖与被测材料之间接触火花的发生，地保护箔膜。“小游移四探针头”，探针游移率在0.1�?.2%。保证了仪器测量电阻率的重复性和准确度。本机如加配HQ-710E数据处理器，测量硅片时可自动进行厚度、直径、探针间距的修正，并计算、打印出硅片电阻率、径向电阻率的百分变化、平均百分变化、径向电阻率不均习庋。给测量带来很大方便、�/p><p>2、主机能�?/p><p>�?）测量范围：</p><p>可测电阻率：0.0001�?9000��?cm</p><p>可测方块电阻�?.001�?900��?■�/p><p>�?）恒流源９�/p><p>输出电流：DC 0.001�?00mA 五档连续可调</p><p>量程�?.001�?.01mA</p><p>0.01�?.10mA</p><p>0.10�?.0mA</p><p>1.0�?0mA</p><p>10�?00mA</p><p>恒流精度：各档均低于��0.05%</p><p>�?）直流数字电压表９�/p><p>测量范围�?�?99.99mV</p><p>灵敏度：10��V</p><p>基本误差�?#177;�?.004%读数+0.01%满度（�/p><p>输出电源：≥1000��M</p><p>�?）供电电源：</p><p>AC 220V��10% 50/60 Hz 功率�?2W</p><p>�?）使用环境：</p><p>温度�?3��2� 相对湿度：≤65%</p><p>无较强的电场干扰，无强光直接照射</p><p>�?）重量、体积：</p><p>主机重量�?.5kg</p><p>体积�?65��380��160（单位：mm 长度��宽度��高度（�/p><p>备注９�/p><p>等级测量时（测电阻率），精度<3%</p><p>电气测量时（测电阻），精度在0.3%以内 </p><p>备注９�/p><p>仪器包括：主机一台；测试架（包括台面）一个；四探针头1个；软件</span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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