噪声频谱分析�?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>仪器简介：</strong></p><p>��应用范围及特点：HS6288B是一种便携式智能匕�strong>噪声频谱分析�?/strong>器，由主机、打印机两部分组成，适用于环境噪声测量及统计分析、频谱分析。该仪器中文键面，操作简便，能进行瞬时A声级或声压级测量，能按预先设定测量方式和倍频程滤波器的中心频率（31.5Hz� 63Hz�?25Hz�?50Hz�?00HZ�?K�?K�?K�?K）自动采样计算及倍频程自动扫描测量，测量结束自动打印出频谱图和数据。通过RS-232接口、主机与微机可实现通讯，对数据作进一步处理分析及输出、�/p><p><strong>技术参数：</strong></p><p>��测量范围�?5-130dB(A);40-130dB(线�?；频率：31.5Hz-8KHz�?#183;时间计权：快（F），慢（S），大值保持�?#183;测试功能：Leq、LAE、LN（L10、L50、L90），Lmin、Lmax、SD、Ld、Ln、Ldn �?#183;测试方式：Man（手控任一时间）、单�?0秒�?分�?分�?0分�?0分�?小时�?小时�?4小时�?4小时整时测量�?#183;显示方式：（54��42）mm大屏幕液晶数显，具有模拟表针、测量方式、测量时间、时钟�?/1中心频率显示功能，可任意调阅及打印某组数据�?#183;基本配置�?288B（D）主� �?784A打印机（含充电器）、托架、光盘、打印纸� 18"密码箱、风罩、起子各1�?#183;选购附件�?m�?0m延伸电缆、校准器�?#183;� 注：HS6288D增设背景光及L5�?95统计值，不设置频谱分析功能，其它特点、配置、功能等�?288B一至�/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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