H-F-1地表径流量测量系�?参数-价格-中国粉体罐�/title>

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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>用途：</strong><strong>H-F-1地表径流量测量系绞�/strong>用于测量流速从低到高变化大的水流的流量，大的水流如季节性降雨或暴雨导致的大地表径流，也适合测量农田灌溉水流或高山融化的雪水水流或工业排污的水流量、�/p><p>排水量是指在一定时间内流过水堰的水量。一般测量流速，流速的单位是升/秒或立方�?小时、�strong>H-F-1地表径流量测量系绞�/strong>可在明渠端口准确测量大范围变化的水流量，这时流出的水量因重力是自然排放的。即使流出的水量淹没30%，对测量的结果影响小�?%，淹�?0%时，影响小于3%、�/p><p><strong>H-F-1地表径流量测量系绞�/strong>有一个导流槽，导流槽的宽度和高度与堰口一样，其长度需要足够长使水流的宽度与渠道相同且水面平缓，以便进入堰口、�/p><p><strong>测量原理９�/strong><strong>H-F-1地表径流量测量系绞�/strong>有两个超声波传感器：一个测量堰口水面的高度，该数据由数据采集器自动测量、记录；另一个是参照传感器，测量物理距离，修正因不同天气状况对测量传感器的影响。修正后的水位数据按如下的对应表，给出水流量、�/p><p></p><p><strong>系统组成９�/strong></p><p>��1ft�?ft�?ft 的不锈钢H型堰，不锈钢导流槽；</p><p>��超声波水位传感器：�/p><p>��数据采集器；</p><p>��记录分析软件、�/p><p><strong>技术指栆�/strong></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td colspan="2"><p>超声波传感器</p></td></tr><tr><td><p>电压</p></td><td><p>12V</p></td></tr><tr><td><p>误差</p></td><td><p>< 0.2%</p></td></tr><tr><td><p>温度</p></td><td><p>< 0.5% (0~50�?</p></td></tr><tr><td colspan="2"><p>1Ft H型堰</p></td></tr><tr><td><p>尺寸</p></td><td><p>30.5��58��41.2cm（高���?#215;长）</p></td></tr><tr><td><p>测量范围</p></td><td><p>0.02~55 l/s</p></td></tr><tr><td colspan="2"><p>2Ft H型堰</p></td></tr><tr><td><p>尺寸</p></td><td><p>61��115��99cm（高���?#215;长）</p></td></tr><tr><td><p>测量范围</p></td><td><p>0.04~315 l/s</p></td></tr><tr><td colspan="2"><p>3Ft H型堰</p></td></tr><tr><td><p>尺寸</p></td><td><p>91.5��173��148.5cm（高���?#215;长）</p></td></tr><tr><td><p>测量范围</p></td><td><p>0.06~870 l/s</p></td></tr><tr><td colspan="2"><p>数据采集�?/p></td></tr><tr><td><p>测量间隔缺省倻�/p></td><td><p>1分钟</p></td></tr><tr><td><p>存储容量</p></td><td><p>�?07天数据（采样间隔3分钟（�/p></td></tr><tr><td><p>通讯</p></td><td><p>可选Modem传输数据</p></td></tr></tbody></table><p>水位与水流量的对应表如下９�/p><p></p><p>水位、流量对应表</p><p>产地：德囼�/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="250943" /> <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）">