CEL-430积分声级�?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"> <strong>仪器简介：</strong></p><p><p>英国CASELLA皃�strong>CEL-430积分声级讠�/strong>是便携式噪声测量仪器，主要为职业卫生噪声监测设计。超宽的量程、简洁的操作界面、简单的操作过程和多种预设的自动测量功能使其广泛应用于环保、工厂、交通、学校和科研等部门进行噪声测量、噪声剂量测量、�/p></p><p><strong>技术参数：</strong></p><p><p>◆测量范围：20-140dB�?*143.3dB� </p><p> ◆本底噪声：1� 18dB(A)�?� 25dB(A)� </p><p> ◆时间计权：慢速和快速； </p><p> ◆频率计权：A� C和Z计权� </p><p> ◆振幅计权（Q）：3�? � 5� </p><p> ◆自动测量功能：瞬时值L�?*值Lmx�?小值Lmn，峰值Lpk，平均值Lavg�?*限值Ltm3 & Ltm5和暴露量LE� </p><p> ◆运行温度：1� -10�?0摄氏度；2�?�?0度； </p><p> ◆运行湿度：5-90%RH� </p><p> ◆大气压力：65�?08 kPa� </p><p> ◆内存：99组测量值，每组*长持续时间为24小时� </p><p> ◆电池：4节AA碱性电池； </p><p> ◆电池寿命：大于15小时� </p><p> ◆外部电源：9-14V DC�?50mA� </p><p> ◆三脚架� 1/4英寸接口� </p><p> ◆尺寸：340 X 100 X 40毫米� </p><p> ◆重量：550克（带电池）� </p><p> ◆可选配置：软件，校准器，挡风屏、�/p></p><p><strong>主要特点９�/strong></p><p><p>◆尤其适合工作场所噪音监测评价� </p><p> ◆操作简单，**的开机自动校准功能； </p><p> ◆单一动态自动调整测量范围，覆盖所有噪声水平； </p><p> ◆配软件可将存储数据下载到电脑和进行仪器设置� </p><p> ◆精�?级（CEL430.A1）和2级（CEL430.A2）可选； </p><p> ◆大屏幕可显示时间计权，峰值和**值等参数� </p><p> ◆数据输出功能，可连接记录器等； </p><p> ◆电池寿命超�?5小时� </p><p> ◆符合IEC，ANSI等国际标准、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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