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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"> ZBWJ-90/99型智能文丘利涡街流量计是一种具有国�?*的流体振动式新型流量计。它具有功耗低、测量精度高、量程范围宽、管道安装要求低、压损小、抗扰动性能强、操作简单等优点，主要应用于工业管道中天然气、煤气、氨气、压缩空气等多种气体工况体积和标况体积流量的计量� 二、功能特点及技术参� 1、测量介质：天然气、煤气、氮气、压缩空气及其它气体� 2、ZBWJ-90型集流量传感器和智能流量积算仪于一体，实现工况流量的显示和输出功能� 　　ZBWJ-99型集流量、温度、压力传感器和智能流量积算仪于一体，实现流量的温/压补偿� 压缩因子修正和标准状态下体积流量的显示和输出功能 3、双排液晶显示累积流量和瞬时流量; 4� 内置+3V锂电池供电，平均工作是流�?8μA，当外置+24VDC供电时，内部电源自动切换� 5� 仪表在断电后，内部参数长期保存� 6、测量范围广，范围度达：10�?~20�?; 7、前直管段只需3D(D为管道内�?，后直管段为1D便能确保仪表计量精度� 8、传感器内无可动部件，检测元件不直接与被测介质接触，性能稳定，可靠性高，使用寿命长� 9、精确度：�?.0%,±1.5%;重复性；指示值�?.3%� 10、输出信号：(1)OC门脉冲； (2)4-20mA电流信号� (3)RS-485通讯接口 11、环境温度：-30℃～+60℃；介质-20℃～+130℃；　环境湿度�?%-95%RH� 12、工作压力：0-1.6Mpa� 13、规�?管道内径)�?0�?5�?2�?0�?0�?5�?0�?00�?25�?50�?00mm� 14、壳体材料：不锈�?1Cr18Ni9Ti)� 15、防爆标志：ExdIIBT4� 16、压力损失；ΔP=1.079*10-6*ρ*v2(式中：ΔP：压力损� MPa；ρ：被测介质的密度kg/ m3;V：被测介质的流速m/s)� 17、工况流量范�?单位：m3/h)，见� </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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