CEL-240数字声级�?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="287727" /> <input type="hidden" name="CID" id="telaftercid" value="30712" /> <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);}); $('.js_xgzl').click(function(){$('html,body').animate({scrollTop:$('.xgzl').offset().top-60}, 800);}); $('.js_yhpl').click(function(){$('html,body').animate({scrollTop:$('.yhpl').offset().top-60}, 800);}); $('.js_gsdt').click(function(){$('html,body').animate({scrollTop:$('.gsdt').offset().top-60}, 800);}); $('.js_wsj').click(function(){$('html,body').animate({scrollTop:$('.wsj').offset().top-60}, 800);}); _cpjj = $(".cpjj").offset().top-60; _cxd = $(".cxd").offset().top-60; _xgfa = $(".xgfa").offset().top-60; _xgzl = $(".xgzl").offset().top-60; _yhpl = $(".yhpl").offset().top-60; _gsdt = $(".gsdt").offset().top-60; _wsj = $(".wsj").offset().top-60; }); $(window).resize(function(){ _cpjj = $(".cpjj").offset().top-60; _cxd = $(".cxd").offset().top-60; _xgfa = $(".xgfa").offset().top-60; _xgzl = $(".xgzl").offset().top-60; _yhpl = $(".yhpl").offset().top-60; _gsdt = $(".gsdt").offset().top-60; _wsj = $(".wsj").offset().top-60; }); $(document).scroll(function(){ if($(this).scrollTop() >= _cpjj){ $(".fixdbox").css({"display":"block"}); }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>CEL-240<span>数字式声级计</span><span>详细介绍 </span></p><p><span>CEL-240<span>数字式声级计</span><span>产品简介：</span></p><p><span>CEL-240<span>数字式声级计</span><span>，采用先进的<span>DSP</span><span>技术，符合</span><span>ANSI</span><span>咋�/span><span>IEC Type 2</span><span>的精度要求，测量范围</span><span>30-130dB</span><span>，动态范図�/span><span>70dB</span><span>。适用于多领域的日常测量，特别是工作场所工业卫生测量和机械噪声测量、�/span><span>A</span><span>％�/span><span>C</span><span>频率加权和慢速时间响应用亍�/span><span>NRR</span><span>评估听力保护要求，无衰减**值保持功能，</span><span>30</span><span>秒自动背光，可用标准三角架固定安装测量，</span><span>3</span><span>��</span><span>AA</span><span>碱性电池可工作</span><span>35</span><span>小时以上，或�?/span><span>USB</span><span>接口外部电源连续工作，数字和模拟输出、�/span></p><p><span>CEL-240<span>数字式声级计</span><span>主要特点９�/span></p><p><span>� 简单的<span>2</span><span>键操作；</span></p><p><span>� <span>30-130dB</span><span>测量范围：�/span></p><p><span>� <span>128</span><span>��</span><span>128</span><span>背光图形</span><span>LCD</span><span>显示屏；</span></p><p><span>� 慢、快和脉冲时间加权；</span></p><p><span>� 同时显示当前噪声�?*噪声：�/span></p><p><span>� 数字和模拟图形显示；</span></p><p><span>� 测量数据可输出并记录�?span>PC</span><span>：�/span></p><p><span>� 自动校准功能：�/span></p><p><span>� 滚动显示测量结果、�/span></p><p><span>CEL-240<span>数字式声级计</span><span>技术参�?/span></p><p><span>CEL-240<span>数字式声级计</span></p><p><span>测量范围９�span>30-100dB</span><span>＋�/span><span>60-130dB</span><span>两个量程</span></p><p><span>动态范围：<span>70dB</span></p><p><span>精度：　　<span>ANSI S1.4 Type 2� IEC 61672-1 2002-5</span></p><p><span>频率加权９�span>A</span><span>＋�/span><span>C</span></p><p><span>时间加权：慢，快和脉冱�/span></p><p><span>数据显示：同时显示即时噪�?span>Lp</span><span>�?*噪声</span><span>Lmax</span></p><p><span>**值保持：**值显示无衰减，直到用户按复位�?/span></p><p><span>显示屏：　<span>128</span><span>��</span><span>128</span><span>点阵</span><span>LCD</span><span>数字显示，实时模拟条形图显示</span></p><p><span>显示分辨率：数字显示<span>0.1dB</span><span>，模拟显礹�/span><span>1dB</span></p><p><span>显示更新９�span>0.5</span><span>秒更新一欠�/span></p><p><span>图形显示：时间跨�?span>1min</span><span>戕�/span><span>5min</span></p><p><span>校准方法：仪器自动识别校凅�/span></p><p><span>校准声级９�span>114.0dB</span><span>戕�/span><span>94.0dB @ 1kHz</span></p><p><span>模拟输出９�span>2.5mm</span><span>耳机插口＋�/span><span>0.85V RMS</span><span>�?小阻抖�/span><span>22k Ohm</span></p><p><span>直流输出９�span>2.5mm</span><span>耳机插口（选购），</span><span>0-1.3VDC</span><span>，阻抖�/span><span>2k Ohm</span></p><p><span>数字输出９�span>USB 2.0</span><span>接口，输出即时声压级（选购软件），</span></p><p><span>　　　　　每秒输出<span>1</span><span>次测量倻�/span></p><p><span>工作温度９�span>0-40</span><span>ℂ�/span></p><p><span>电池：　　<span>3 AA</span><span>碱性电江�/span><span>(</span><span>寿命</span><span>35</span><span>小时以上</span><span>)</span><span>或可充电电池</span></p><p><span>外部电源９�span>5VDC</span><span>＋�/span><span>USB</span><span>接口（选购（�/span></p><p><span>尺寸重量９�span>71.5</span><span>��</span><span>212</span><span>��</span><span>31mm</span><span>＋�/span><span>250g</span><span>（含电池（�/span></p><p><span>数字和图形显礹�/span></p><p><span>CEL-240<span>数字式声级计</span><span>标准配置</span></p><p><span>CEL-240 <span>声级计主机、防风球、碱性电池、校准证书、使用手� </span></p><p><span>CEL-240/K1 <span>声级计主机、校准器、防风球、碱性电池、校准证书、使用手册、携带箱 </span></p><p><span>CEL-240/K2 <span>包括</span><span>CEL-240/K1</span><span>，及</span><span>CMC51 USB</span><span>电缆�?/span><span>dB24</span><span>软件 </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="287727" /> <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）">