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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><strong><span>一、产品简介：</span></strong><strong>宽广的温度范围，仍�/strong><strong> -100</strong><strong>ℂ�/strong><strong>�?/strong><strong> 500</strong><strong>ℂ�/strong></p><p><span>无须更换检测器或炉体， LFA467 HyperFlash在同一台仪器上可实� -100� � 500� 的宽广温度范围。加上目前市场上种类*丰富的可选配件，开创了热物性测量的新天地、�/span></p><p><strong>进样器附月�/strong><strong> 16 </strong><strong>个样品位，样品容纳量为原来的</strong><strong> 4 </strong><strong>倌�/strong></p><p><span>LFA 467 HyperFlash 的一大优势是可以在整个温度范围内连续测量 16 个样品，大大缩短了测量时间。液氮补给系统可以实现对检测器与炉体的自动补充液氮，保证仪器全天候不间断测量、�/span></p><p><strong>ZoomOptics </strong><strong>得到的测量结果更准确，减少测量误�?/strong></p><p><span>**技术的 ZoomOptics 优化了检测器的检测范围，从而消除了孔径光阑的影响。显著增加了测量结果的精度、�/span></p><p><strong>极高的采样频率（</strong><strong>2MHz</strong><strong>），特别适合于薄膜样�?/strong></p><p><span>薄膜样品及高导热材料需要快速的数据采集速率，来精确地记录样品上表面的升温过程。LFA 467 HyperFlash 可以提供 2MHz 的数据采集速率，这� LFA 系统****的、�/span></p><p><strong>二、技术参数：</strong></p><p><span> 温度范围�?100� ... 500℃，单一炉体</span></p><p><span> 氙灯�?*能量 10 J/Pulse（功率可调）</span></p><p><span> 非接触式测量，IR 检测器检测样品上表面升温过程</span></p><p><span> 数据采集速率：高� 2MHz（包括半升温信号检测，� pulse mapping 技术）-- 对于高导热及薄膜样品，采样时间（约为半升温时� 10 倍）可低� 1ms，样品厚�?薄可� 0.01 mm 以下（取决于具体的导热系数）</span></p><p><span> 热扩散系数测量范围：0.01 mm2/s ... 1000 mm2/s</span></p><p><span> 导热系数测量范围９� 0.1 W/(mK) ... 2000 W/(mK)</span></p><p><span> 样品尺寸９�/span></p><p><span>- 直径 6 mm ... 25.4 mm（包括方形样品）</span></p><p><span>- 厚度 0.01 mm ... 6 mm（样品的厚度要求取决于不同样品的导热性能（�/span></p><p><span> 16 个样品位的自动进样器</span></p><p><span> 20 多种支架类型</span></p><p><span> Zoom Optics 优化检测器的检测范围（**技术）</span></p><p><span>**保护� pulse mapping 技术（US 7038209� US 20040079886� DE 10242741 � approximation of the pulse），用于脉冲宽度修正，可以提高比热值的测量精度</span></p><p><span> 气氛：惰性、氧化性、静�?动态、负厊�/span></p><p><strong>ZoomOptics </strong><strong>使测量结果更准确，减小测量误�?/strong></p><p><span>LFA 的红外检测器是检测样品的上表面面积，通常是适应样品**尺寸 25.4mm。较小尺寸的样品则需要加遮光片来避免样品周边温升的影响。所有的物体都会发射红外光，甚至是遮罩材料，这样检测信号肯定会受到影响，影响的程度取决于样品与遮光片材料热扩散系数的差异，导致在升温曲线的后段，温度信号继续升高，或使温度信号下降趋势变缓。不管是哪种情况，得到的样品半升温时间会发生改变�?终得到的热扩散系数误差较大、�/span></p><p><span>使用 ZoomOptics，检测器只检测样品部分的升温过程，避免了样品周边及遮光片的影响。预先设定的检测范围约� 70%。用户可根据具体样品的形状来进行调整、�/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="292387" /> <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）">