噪声计可以检测室内声音楼道杂�?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"> <h1><strong><span>别问我在不在＞�/span></strong><strong></strong><strong><span>年纪轻轻怎能不在</span></strong><strong></strong><strong><span>不管</span>30℃，还是40℃，</span></strong><strong></strong><strong><span>只要你说一句：成�/span></strong><strong><span>仪器</span></strong><strong></strong><strong><span>日本新宇官�/span></strong><strong><span>＋�/span></strong><strong><span>英国离子</span></strong><strong><span>＋�/span></strong><strong><span>美国华瑞</span>VOC检测仪</span></strong><strong><span>…�?/span></strong><strong></strong><strong><span>哧溜一下，乌黑锃亮的我就出现了</span></strong><strong></strong></h1><p><strong><span>感恩相遇，让您从众多信息中看到了成�/span></strong></p><p></p><p><span>标准９�/span><span>本噪音计符合IEC61672-1，二级标准，</span></p><p><span>量程 (带模拟条:)</span><span>LO: 30dB~80dB/Med: 50dB~100dB/Hi: 80dB~130dB/Auto: 30dB~130dB </span><span>误差:</span><span>1.4dB</span></p><p><span>动态范围：</span><span>50dB</span></p><p><span>频率响应９�/span><span>31.5Hz ~ 8KHz</span></p><p><span></span></p><p><span>频率计权特�?</span><span>A和C</span></p><p><span>时间计权特�?</span><span>快�?FAST)125毫秒，慢�?SLOW)1科�/span></p><p><span>传感�?</span><span>1/2英寸极化电容式传感器</span></p><p><span>显示９�/span><span>4位数，解析度0.1dB，数值更新：2�?科�/span></p><p><span>模拟信号输出９�/span><span>AC/DC mV 信号由耳机插座输出 AC=1Vrms，DC=10mV/dB</span></p><p><span>数据输出:</span><span>带USB接口与电脑连�?/span></p><p><span>35毫米耳机插孔:</span><span>月�/span></p><p><span>*�?*小值显礹�</span><span>月�/span></p><p><span>LB-ZS</span><span>51噪声计的描述９�/span></p><p><span>1 �?/span><span>符合IEC61672-1，二级标准，具有宽广的动态范围，</span></p><p><span>2� 还有快、慢及自动时间常数设置，内置的USB接口可将数据快速、及旵�/span><span>地传送到电脑，并可储�?2�?00个数�?�?852)等特点、�/span></p><p><span>3� 可广泛适用于噪音工程，品质控制，健康防治及各种环境声音测量，如屄�/span><span>住区、工矿厂区、学校、机场等各种场合的噪音测量应用、�/span></p><p><span>尺寸９�/span><span>278 x 76 x 50毫米 重量�?50兊�/span></p><p><span>配件９�/span><span>9V电池，调整螺丝刀，海棉球，外接电源，USB连接线，</span></p><p><span>软件９�/span><span>CD，三脚架，工具盒，彩盒、�/span></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="238081" /> <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）">