数显声级�?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></p><p></p><p></p><p><span>HS5633声级计（噪声仪）适用于环境、交通噪声、机械和电气噪声等的测量，也可用于建筑声学、电声等测量。该仪器性能稳定，使用方便，具有结构紧凑、体积小、重量轻的优点。特别适用各种噪声的现场测量。本仪器符合IEC61627《声级计》标准对2型声级计的要求、�/span></p><p><strong><span>产品特点９�/span></strong></p><p><span>1. </span><span>除能进行一般声级测量外＋�/span>HS5633还有保持较大声级和设定声级测量范围的功能、�/span></p><p><span>2. </span><span>HS5633使用1�?V叠层电池，并且具有电池电压检查功能、�/span></p><p></p><p><strong><span>产品参数９�/span></strong></p><p><strong></strong><span>1</span><span>. </span><span>测量范围�?0�?30dB</span></p><p><span>2. </span><span>频率特性：A计权</span></p><p><span>3. </span><span>检波特性：真实有效倻�/span></p><p><span>4. </span><span>时间计权：快和慢</span></p><p><span>5. </span><span>� � 器：三位半液晶显示器</span></p><p><span>6. </span><span>� � 器：1/2英寸HS14423型测试电容传声器 </span></p><p><span>7. </span><span>� 源：DC 7V-9V使用一�?V叠层电池</span></p><p><span>8. </span><span>外形尺寸�?62��62��24mm</span></p><p><span>9. </span><span>� 量：160g（带电池（�/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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