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}else{ $(".fixdbox").css({"display":"none"}); } $(".fixdbox_main_left div").css({"color":"#4F5862","border-bottom-color":"transparent"}); if($(this).scrollTop()>=_wsj){ $(".fixdbox_main_left div").eq(6).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_gsdt){ $(".fixdbox_main_left div").eq(5).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_yhpl){ $(".fixdbox_main_left div").eq(4).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgzl){ $(".fixdbox_main_left div").eq(3).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgfa){ $(".fixdbox_main_left div").eq(2).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cxd){ $(".fixdbox_main_left div").eq(1).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cpjj){ $(".fixdbox_main_left div").eq(0).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); } }); function showliuyan(me, showtype){ if(showtype==0){ //$("#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>炭素材料制品的电阻率值是评价炭制品电极质量，也是在炭制品加工中控制监督工艹�/p><p>测量电阻灵敏度达0.01μΩ. ，测试电流能达到10A </p><p>20mV. 200mV. 2V档： 0.1%读数+ 2孖�20mV. 200mV. 2V. accuracy� 0.1%</p><p><br/></p><p>分辨率： 0.1uV�?uV�?0uV�?00uV </p><p>测量范围：炭素长度：1.6m�?m;炭素直径�?00mm�?00mm</p><p>量程误差�?mV 桢� 0.1%读数+ 6个字</p><p>参照标准９�/p><p><br/></p><p>:1A�?0A � 0.15%</p><p><br/></p><p>BEST-10炭素电阻率测试仪</p><p><br/></p><p>误差� 100uA.1mA.10mA.100mA� 0.1%�?nbsp;</p><p>显示�?.3寸液晶屏、直读电阻值、电阻率、电导率、温度、电流、电压等数据</p><p>电阻分辩率：0.01μΩ</p><p>四端测试法测量碳素材料，石墨等块状棒状及粉末材料常温下导电性能。恒流，自动</p><p>适用范围：适用于碳素厂、焦化厂、石化厂、粉末冶金厂、高等院校、科研部门对杏�/p><p><br/></p><p>GB/T 24525-2009、YS/T63.2炭素材料电阻率测定方�?；ISO 11713-2000�?/p><p>料之研究.</p><p>铝用炭素材料检测方� �?部分 阴极炭块和预焙阳极室温电阻率的测� GB/T6717�?/p><p>YS/T63.2-2005和YS/T 64-1993标准方法测试阴极炭块、预焙阳极、阳极糊阴极糊和</p><p>电源交流/ AC power 220±10% 50HZ/ 60HZ</p><p><br/></p><p>直流恒流源： 输出� 100uA.1mA.10mA.100mA.1A.10A. </p><p><br/></p><p>参数资料/ index电压量程� 2mV.20mV. 200mV.2V </p><p>，选配：PC软件获得测试数据之图谱和报表。根据产品形状不同选购测试治具.</p><p>描述９�/p><p>电阻率：2×10-8�?0kΩ·cm;电阻�?.01μΩ�?0kΩ：�/p><p>电流档， 4.3吋液晶显示，显示：电流、电压、温度、电阻率，电导率，电阻等数据</p><p>过程的重要参数、�/p><p>炭素制品常温下的电阻率、�/p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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