导电及防静电材料电阻率测试装�?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><strong><span>导电和防静电材料体积电阻率测量装�?/span></strong><strong></strong></p><p><strong><span>产品型号９�/span>AZ-991</span></strong><strong></strong></p><p><strong><span>佾�/span></strong><strong></strong></p><p><strong><span>�?/span></strong><strong></strong></p><p><strong><span>诳�/span></strong><strong></strong></p><p><strong><span>昍�/span></strong><strong></strong></p><p><strong><span>�?/span></strong><strong></strong></p><p><strong><span>*（使用前请详细阅读使用说明书�?</span></strong><strong></strong></p><p><strong></strong></p><p><strong></strong></p><p><strong><span>北京中航鼎力仪器设备有限公司</span></strong><strong></strong></p><p><strong></strong></p><p><a><strong><span>主要设备组成９�/span></strong><strong></strong></p><p><a><span>可调电源�?/span>AZ-991<span>静电讠�/span><span>�?/span>AZ-991<span>电流测试�?/span><a><span>测试屏蔽箰�/span><a></span><span><a></span></p><h1><strong></strong><strong></strong></h1><h2><strong></strong></h2><h2><a><strong><span><a>1. 测试导电材料、防静电材料接线国�/span></strong><strong><span>９�/span></strong><strong></strong></h2><p><span>　　将可调电源的电源正和电流测量仪的正极接好；电流测量仪的负极和测试屏蔽箱的电源正接好；可调电源的电源负和测试屏蔽箱的电源负接好；将测试屏蔽箱的测量正和测量负分别与静电计的正负极连接、�/span></p><h1><a><strong><span><a><a>2. AZ-991导电和防静电材料体积电阻率测量装�?span>重要使用注意事项９�/span></strong><strong></strong></h1><p><a><span><a>2.1 开机前按图接好线，为仪器安全，开机前可调电源调到较低的电厊�span>，zui好是</span>0V、�/span></p><p><a><span>2.2 将静电计咋�/span><span>电流测试�?/span><span>输入线拔出后调好</span><a><a><span>、�/span></p><p><strong></strong></p><h1><a><strong><span><a><a>3、AZ-991导电和防静电材料体积电阻率测量装�?span>使用方法</span></strong><strong></strong></h1><h2><a><strong><span><a>3.1、概�?/span></strong><strong></strong></h2><p><span>　　在测量导电材料电阻率若采用三电极或二电极测量时会因为电极与被测量材料表面电阻而影响测量准确性，本装置采用四电极法测量导电和防静电材料体积电阻率，可以克服表面接触电阻造成的误差影响、�/span></p><h2><a><strong><span><a><a></span></strong></h2><p><span>3.2、测量操作：</span></p><p><span>a. </span><span>将电流测试仪和静电计上电、�/span></p><p><span>b. </span><span>调整可调电源输入，待电流测试仪和静电计出现数值并且稳定后读取数值。如果只有电流值，则通过调整电压的倍数来保证电压读数稳定，记录电压值，单位�?/span>V；同时记录电流值，电流值单位为选择对应档位的量程单位、�/span></p><p><span>c. </span><span>通过公式计算、�/span></p><h2><a><strong><span>4. </span></strong><strong><span>试样准备（根据不同标准用不同的试样大小）</span></strong><strong></strong></h2><p><span>将要测量的试样切成长度和宽度能在电流电极夹住，建�?/span>110mm� 宽为50mm、�/span></p><p><span>电压电极应平行放置在材料表面上，有些材料在用水清洗后要进行烘干后进行测量，可以根据不同标准或规范进行、�/span></p><h2><a><strong><span>5.<span>注意事项</span></strong><strong></strong></h2><p><span>a. 接线不能接错。红线接红接线柱或插红插座，黑线接黑接线柱接黑插�?/span></p><p><span>b. 测量导电材料时，如果材料的导电性能很好，则加电压不能大高，否则电流会很大，有可能发热，在材料上消耗的zui大功率不要超�?.1W、�/span></p><p><span>c. 电压电极应平行放置在材料表面的、�/span></p><h2><a><strong><span><a>6.<span>导电材料电阻玆�/span><span>计算</span></strong><strong></strong></h2><h2><a><strong><span><a><span>导电材料电阻率测量计箖�/span><span>公式</span></strong><strong></strong></h2><p><span>材料宽度</span>W=0.05m，试样厚度t=0.001m� </span></p><p><span>本测试箱中电压电极之间的距离丹�/span>d=0.02m</span></p><p><span>测试结果</span>:AZ-991静电计测量的电压V=1.701V� AZ-991皮安表的电流�?06.0��10</span><span>-6</span><span>A＋�/span></p><p><span>计算电阻率：</span></p><p><span>＜�/span><span>�?0.00�?#937;.m（�/span></p><p><span>上例子中，如果试样的单位改用</span>cm时的计算过程如下９�/span></p><p><span>＜�/span><span>�?000�?#937;.cm（�/span></p><p><span>上述两个结果是相同的，因丹�/span>1m=100cm</span></p><p><span></span></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="256747" /> <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）">