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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> EHP-50B/C 是极低频电磁场测量探头，可测频率�?Hz � 100 kHz，可同时测量X，Y，Z三个方向的场强值，并在此频率范围内有带有频谱分析功能� </p><p> PMM EHP-50B/C包括：内� E2PROM可存储校准数据，频率及水平校准图表，内置光电转换器使用得8053A可识别光纤连接。level calibration tables </p><p> 频谱分析，得到一个强大的DSP数字信号处理� (Digital Signal Processor)� 可�?个频段带宽，直接�?053A上显示。通过使用Marker（标识）线可进行精确的选频测量� </p><p> EHP-50B/C 由一个内置的(CPU module)微处理器控制，控制所有主要功能：电池充电� 与DSP的连接线，内置三个X，Y，Z方向轴向测量电磁场� The Electric or Magnetic field is picked up by the three probes on the X� Y and Z axes. 数字/模拟转换由DSP数字信号处理器完成� </p><p> EHP-50B/C 探头为一小正立方体。底部有几个接口：光纤接口，充电器接口， ON/OFF 开关及显示灯（用于指示探头功能状态），磁场传感器是由三个互相垂直的磁场线圈组成，电场传感系统由三个正交平行的电容器组成，正对着磁场线圈、�/p><p> EHP-50B/C的电池比老式EHP-50探头电池持续时间更长，自动监测时*长可达一个星期，数据采集时－低功率使用及正常使用状态下电池持续时间不同.</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"}); 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