AWA6153S+型低频耦合�?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><span> AWA6153S+型低频耦合腔符合声级计检定规程JJG188-2002 的要求，用于声级计检定、传声器比较法校准、�/span></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><span>频率范围</span></td><td><span>10 Hz~400 Hz</span></td></tr><tr><td colspan="1" rowspan="1"><span>频率响应（re.250 Hz（�/span></td><td colspan="1" rowspan="1"><p><span>10 Hz to 250 Hz�? dB�?1.2 dB</span></p><p><span>250 Hz to 400 Hz�?.2 dB�?0 dB</span></p></td></tr><tr><td colspan="1" rowspan="1"><span>传声器端口数</span></td><td colspan="1" rowspan="1"><span>2</span></td></tr><tr><td><span>可配接的传声器直徃�/span></td><td><span>1″�?/2″�?/4′�/span></td></tr><tr><td><span>传声器端口的标称负载</span></td><td><span>1.333 cm3</span></td></tr><tr><td rowspan="1" colspan="2"><span>双传声器端口工作模式</span></td></tr><tr><td><span>端口间声压级�?1.333 cm3标称负载)</span></td><td><p><span>10 Hz to 250 Hz，≤ 0.05 dB</span></p><p><span>315 Hz，≤0.05 dB</span></p><p><span>400 Hz，≤0.10 dB</span></p></td></tr><tr><td><span>由负载差�?相对于标称负�?#177;0.333cm3之内)引起的端口间声压级差</span></td><td><p><span>10 Hz to 250 Hz，≤0.1dB/cm3</span></p><p><span>315 Hz，≤0.15dB/cm3</span></p><p><span>400 Hz，≤0.20dB/cm3</span></p></td></tr><tr><td rowspan="1" colspan="2"><span>单传声器端口工作</span></td></tr><tr><td><span>由负�?相对于标称负�?#177;0.333cm3之内)决定的声压级，典型倻�/span></td><td><p><span>10 Hz to 250 Hz，＜+ 0.1 dB/cm3</span></p><p><span>315 Hz，＜+ 0.2 dB/cm3</span></p><p><span>400 Hz，＜+ 0.3 dB/cm3</span></p></td></tr><tr><td colspan="1" rowspan="1"><span>**声压�?/span></td><td colspan="1" rowspan="1"><span>134 dB</span></td></tr><tr><td colspan="1" rowspan="1"><span>总失眞�/span></td><td colspan="1" rowspan="1"><p><span>�?.2 % at 114 dB</span></p><p><span>�?.4 % at 124 dB</span></p><p><span>�? % at 134 dB</span></p></td></tr></tbody></table> </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="306123" /> <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）">