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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><span>一 主要功能和特炸�/span></p><p><span>1 </span><span>性能９�/span><span>符合<span>IEC61672-2002 JJG188-2002 2</span><span>级的要求＋�/span></p><p><span>2 </span><span>用逓�/span><span>：适用于各种工业环境噪声测量及环境噪声普查测量、�/span></p><p><span>3 </span><span>特点</span><span>９�/span></p><p><span> 1) <span>可对环境</span><span>噪声</span><span>进行自动监测，也可作积分数字</span><span>声级讠�/span><span>、个人声暴露计和一�?/span><span>声级讠�/span><span>使用＋�/span></p><p><span> 2) <span>有积分及统计功能，单练�/span><span>3000</span><span>组或</span><span>24</span><span>小时整时</span><span>80</span><span>组。储存的数据可以调阅及打印。整时测量暂停时间可以检查已采数据。能进行</span><span>Leq </span><span>�?/span><span>LAE</span><span>� </span><span>Ln</span><span>等统计测量、�/span></p><p><span> 3) <span>采用数字检波技术替代以往一些传统的声级计，稳定性和可靠性大大提高、�/span></p><p><span> 4) <span>采用大屏幔�/span><span>LCD</span><span>显示，显示清晰直观。有动态刻度显示、�/span></p><p><span> 5) <span>可以通过</span><span>RS-232</span><span>接口与计算机或打印机连接，可显示、打印输出，也可送到普通计算机进行分析处理、�/span></p><p><span>� 主要技术性能</span></p><p><span> 1. <span>传声器：</span><span>��</span><span>12.7mm</span><span>＇�/span><span>1/2</span><span>′�/span><span>）测试电容传声器</span></p><p><span> 2. <span>频率范围９�/span><span>20Hz</span><span>｝�/span><span>12.5kHz</span></p><p><span> 3 . <span>频率计权９�/span><span>A</span><span>计权�?/span><span>C</span><span>计权</span></p><p><span> 4. <span>测量范围９�/span><span>30dB</span><span>｝�/span><span>135dB</span></p><p><span> 5. <span>仪器精度：符吇�/span><span>IEC61672-2</span><span>级或</span><span>GB3785-2</span><span>�?/span></p><p><span> 6. <span>时间计权：快＇�/span><span>F</span><span>）、慢＇�/span><span>S</span><span>（�/span></p><p><span> 7. <span>检波器特性：数字真有效值检波，峰值因�?/span><span>3</span></p><p><span> 8. <span>测量时间设定９�/span><span>10s</span><span>�?/span><span>1min</span><span>�?/span><span>5min</span><span>�?/span><span>10min</span><span>� </span><span>15min</span><span>� </span><span>20min</span><span>�?/span><span>30min </span><span>�?/span><span>1h</span><span>�?/span><span>8h</span><span>�?/span><span>24h</span><span>、�/span><span>24h</span><span>整时＋�/span><span>Man (</span><span>人工</span><span>)</span><span>。时钟：年、月、日、时、分、秒自动运行、�/span></p><p><span> 9. <span>自动测量功能９�/span><span>Lp</span><span>�?/span><span>Linst</span><span>�?/span><span>Leq</span><span>�?/span><span>L</span><span>AE<span>�?/span><span>L</span><span>N</span><span>(L5<span>�?/span><span>L10</span><span>�?/span><span>L50</span><span>�?/span><span>L90</span><span>�?/span><span>L95)</span><span>�?/span><span>SD</span><span>�?/span><span>Lmax</span><span>�?/span><span>Lmin� E</span><span>�?/span><span>Ld</span><span>�?/span><span>Ln</span><span>�?/span><span>Ldn</span><span>以及瞬时值动态条图、统计分布图�?/span><span>24h</span><span>分布图等</span></p><p><span> 10. <span>显示：大屏幕动态液晶显示，瞬时声级，具有模拟电表显礹�/span></p><p><span> 11. <span>输出接口：交流输出�?/span><span>RS-232</span><span>接口，可外接</span><span>UP40</span><span>微型打印机和计算机、�/span></p><p><span> 12. <span>校准：使�?/span><span>1</span><span>型声级校准器或活塞发声器、�/span></p><p><span> 13. <span>电源：内部用</span><span>LR6</span><span>＇�/span><span>5#</span><span>）碱性电池，可连续工佛�/span><span>24</span><span>小时。外接电溏�/span><span>6V50mA</span><span>、�/span></p><p><span> 14. <span>外形尺寸９�/span><span>l</span><span>��</span><span>b</span><span>��</span><span>h(mm):230x72x30</span></p><p><span> 15. <span>质量９�/span><span>300g</span><span>（连电池（�/span></p><p><span> 16. <span>使用条件９�/span><span>-10</span><span>ℂ�/span><span>~50</span><span>ℂ�/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="287717" /> <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）">