中科微纳非金属粉末电阻率测试�?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><img src="//www.znpla.com/img1/img/daily/2024/01/04/143217_167688_procont.jpg" style="" title="143217_167688_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143219_680392_procont.jpg" style="" title="143219_680392_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143227_921105_procont.jpg" style="" title="143227_921105_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143230_677146_procont.jpg" style="" title="143230_677146_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143233_236322_procont.jpg" style="" title="143233_236322_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143237_770422_procont.jpg" style="" title="143237_770422_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143248_108182_procont.jpg" style="" title="143248_108182_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143250_897585_procont.jpg" style="" title="143250_897585_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143253_756271_procont.jpg" style="" title="143253_756271_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143257_129150_procont.jpg" style="" title="143257_129150_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143302_953809_procont.jpg" style="" title="143302_953809_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/04/143306_419692_procont.jpg" style="" title="143306_419692_procont.jpg"/></p><p>能试验的专用设备，该仪表的设计目标如下：</p><p>主要技术性能 1.1 测量范围及分辨力� GB/T3048.2 5.2.1 条规定了导体电阻测量的下限值为 10 -5 Ω，这个看似简单的要求给仪表的设计带来了新的挑战， 10 -5 Ω数量级的电阻是个什么概念？截面� 172mm 2 � 1724mm 2 范围内的 1m 长的铜导线在20 � 时的电阻值就落在 10 -5 Ω数量级范围内� 10.0�?9.9 μΩ ) ，考虑到GB/T3048.2 中电阻率测试允许误差 0.15% � GB/T3048.4 中导体电阻测试允许误� 0.5% 的要求，仪表读数的有效位应不少于 4 位，� 3 位有效读数在*不利的情况下�?后一位变� 1 个字的量化误差，可能造成 1% 的测量误差），这就要求仪表的**分辨力达� 10 -8 Ω� 0.01 μΩ）、�/p><p>仪器主要技术指标： </p><p>一、测量范围：</p><p>测量范围�?0-6---105Ω 分辨� 10-8Ω</p><p>二� 电压测量９�/p><p>1�?nbsp; 量程 2 mV�?0 mV�?00 mV�?V</p><p>2�?nbsp; 显示4 1/2 位数字显�?�?9999具有极性和过载自动显示，小数点、单位自动显示、�/p><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;"> 粉末电阻率试验仪主要用于测量粉末材料电阻率试验的专用仪器. </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 class="xgfa_cont"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank" class="xgfa_cont_img"><img src="//www.znpla.com/img1/img/daily/2021/11/22/140453_790664_solution_25872.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank">体积电阻率和表面电阻率有什么不吋�/a> <p class="xgfa_cont_txt">首先*步需要测试体积电阻值和表面电阻值，然后根据试样的尺寸和电极系数，根据计算公式得到体积电阻率和表面电阻率，体积和表面电阻测试时，对电压试样的位置不同，从而能够不同的电阻值在接和未接试样时电容的变化</p><div class="xgfa_cont_time"> <span>石油/化工</span><p>2021-11-22</p></div></div></div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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