FSBT-LD601D导波雷达液位�?参数-价格-中国粉体罐�/title>

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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>FSBT-LD601D导波雷达液位计专用于高温高压液体工况</p><p>工作原理</p><p>导波雷达是基于时间行程原理的测量仪表，雷达波以光速运行；运行时间可以通过电子部件被转换成物位信号。仪表测量参考点到物料表面的距离，探头发出高频脉冲并沿缆绳传播，当脉冲遇 到物料表面时</p><p><strong>测量原理９�/strong></p><p> 低强度电磁脉冲以纳秒级宽度被发射并沿着刚性或柔性的导体以光速行进，当脉冲接触到介质表面时被反射。反射信号被仪表接收，发射脉冲与接收脉冲的时间间隔与基准面到被测介质表面的距离成正比。通过测量发射与接收的时间间隔，来实现基准面至被测介质表面距离的测量、�/p><p><img style="WIDTH: 228px; FLOAT: left; HEIGHT: 217px; MARGIN-LEFT: 12px; MARGIN-RIGHT: 12px" src="https://img1.cnpowder.com.cn/img/daily/2018/03/23/164701_735234_procont.png"/></p><p> </p><p>①时�?：产生初始脉冱�/p><p>②时�?：沿导体向下行进，速度C（光速）</p><p>③时�?：脉冲遇到被测介质表面发生反尃�/p><p style="MARGIN-LEFT: 21pt">④时�?：反射脉冲被接收，并被处理器记录 </p><p style="MARGIN-LEFT: 21pt">⑤脉冲信号从被发射到被接收之间的时间差T，与基准面到介质表面的距离D成正比：D=C×T/2 </p><p>⑥测量的基准面是�?nbsp;螺纹底面或法兰的密封靡�/p><p>�?nbsp;A:量程 B:低位 C:满位 D:盲区</p><p>⑧运行时，保�?*料位不能进入测量盲区D</p><p>�? 测量原理示意国�/p><p> </p><p><strong>主要参数９�/strong></p><p>� 用：液体</p><p>测量范围�?籲�/p><p>过程连接：法�?/p><p>过程温度�?20-550ℂ�/p><p>过程压力�?1.0-120bar</p><p>� 度：< 0.1%</p><p>� � 率：1mm</p><p>� � 性：±3mm</p><p>频率范围�?00MHZ-1.8GHZ</p><p>防爆等级：Exia/d II CT4~T6</p><p>防护等级：IP67</p><p>信号输出�?�?0mA/HART(两线)</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;"> 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="113859" /> <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）">