Bruel & Kjaer BZ-7223 1/1�?/3倍频程分析软�?参数-价格-中国粉体罐�/title>

<p><span>*</span>联系亹�/p> <input name="CName" type="text" placeholder="请输入您的姓�?/> </div> <div class="fxp_inp"> <p><span>*</span>单位名称</p> <input type="text" name="GuestType" placeholder="请输入您的单位名�?/> </div> <div class="fxp_inp"> <p><span>*</span>电子邮箱</p> <input type="email" name="Email" emailneed="1" placeholder="请输入您的电子邮�?/> </div> <div class="fxp_sj"> <p><span>*</span>手机叶�/p> <input type="text" name="Phone" placeholder="请输入您的手机号"/> </div> </form> </div> <div class="fxp_sub" onclick="return submitMsgFormByID('PopMsgFrom');" >提交</div> <div class="fxp_xieyi">点击提交代表您同� <a href="//www.znpla.com/service/registrationagreement.html" target="_blank">《用户服务协议《�/a>叉�a href="//www.znpla.com/about/privacy.php" target="_blank">《隐私协议《�/a></div> </div> </div> </div>  <div class="dhxj"> <div class="dhxjbox"> <img src="image24/close.png"/ class="dhxj_gb" onClick="close_telpopwin();"> <div class="dhxjbox_top"> <div class="dhxjbox_top_left"> <div id="nowvtel"></div> <p>虚拟号将� <span id="exptime">180</span> 秒后失效</p> </div> <div class="dhxjbox_top_rig"> <div id="telewm"></div> <p>使用微信扫码拨号</p> </div> </div> <div class="dhxjbox_bot"> 为了保证隐私安全，平台已启用虚拟电话，请放心拨打(暂不支持短信) </div> </div> <div class="dhxjbox2"> <span class="dhxj_gb2">×</span> <div class="dhxjbox2_tit">是否已沟通完戏�/div> <div class="dhxjbox2_tit2">您还可以选择留下联系电话，等待商家与您联糺�/div> <form id="TelPopMsgFrom" resultokclosewin="1" action="" method="post" onsubmit="return false;"><input name="FromPID" id="telafterfrompid" type="hidden" value="286202" /> <input type="hidden" name="CID" id="telaftercid" value="30686" /> <input type="hidden" name="leavetype" value="1" /> <div class="dhxjbox2_form"> <div class="dhxjbox2_form_inp"> <p>需求描�?/p> <input type="text" name="Content" placeholder="请输入您的需求描�?/> </div> <div class="dhxjbox2_form_inp"> <p>单位名称</p> <input type="text" name="GuestType" placeholder="请输入您所在单�?/> </div> <div class="dhxjbox2_form_inp"> <p>联系亹�/p> <input type="text" name="CName" placeholder="请输入您的联系人姓名"/> </div> <div class="dhxjbox2_form_inp"> <p>联系电话</p> <input type="text" name="Phone" placeholder="请输入您的联系电�?/> </div> <div class="dhxjbox2_form_inp"> <p>Email</p> <input type="email" name="Email" placeholder="请输入您的邮�?/> </div> </div> <div class="dhxjbox2_but"> <div>已与商家取得联系</div> <a href="javascript:void(0);" onclick="return submitMsgFormByID('TelPopMsgFrom');" >同意发送给商家</a> </div> </form> </div> </div> <script> var _cpjj = ""; var _cxd = ""; var _xgfa = ""; var _xgzl = ""; var _yhpl = ""; var _gsdt = ""; var _wsj = ""; $(function(){ // 留言询价显示 $(".js_lyxj").click(function(){ showliuyan(this, 0); }); $(".fxp_gb span").click(function(){ $(".fxp").css("display","none"); }); $(".dhxj_gb2").click(function(){ $(".dhxj").css("display","none"); $(".dhxjbox").css("display","block"); $(".dhxjbox2").css("display","none"); }); $(".dhxjbox2_but div").click(function(){ $(".dhxj").css("display","none"); $(".dhxjbox").css("display","block"); $(".dhxjbox2").css("display","none"); }); // 切换 $(".fixdbox_main_left a").click(function(){ $(".fixdbox_main_left a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); $('.js_cpjj').click(function(){$('html,body').animate({scrollTop:$('.cpjj').offset().top-60}, 800);}); $('.js_cxd').click(function(){$('html,body').animate({scrollTop:$('.cxd').offset().top-60}, 800);}); $('.js_xgfa').click(function(){$('html,body').animate({scrollTop:$('.xgfa').offset().top-60}, 800);}); 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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><span>BZ 7223频率分析软件是可选的软件模块，它可以在一个相当宽的频率范围内完成1/1�?/3倍频程实时分析。这将使得到频谱分析变得很简单，典型的测量任务包括选择性听力保护、取暖与通风系统性能鉴定、以及纯音评定等、�/span></p><p><span><p>可用的频率范围如下所�?</p><p>1�?/1倍频程频�?中心频率8Hz�?6kHz)</p><p>2�?/3倍频程频�?中心频率6.3Hz�?0kHz)</p><p>在每个频带内，都有一个很大的动态范围，从那个频带的本底噪声一直到140dB，也就是说，在通常情况下，有超�?35dB的动态范围、�/p><p>可以对频谱进行A、B、或C计权。可测量5个频谱以及整个频谱的统计特性并保存。另外，还可显示7个不同的Ln频谱和瞬时值。两个频谱，�?*�?小频谱可以重叠在一起显示。自然的，由声级计软件BZ 7222测量的所有宽带参数与频率分析一起进行计算。频谱分析可以利用文本和语音注释进行归档、�/p></span><strong></strong><p><span><strong>产品报价</strong></span></p><p><span>本商铺不提供网上报价，如需产品报价，请直接联系Bruel & Kjaer中国</span></p></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="286202" /> <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）">