LB-ZS52声级�?参数-价格-中国粉体罐�/title>

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}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"> <h2><strong>LB-ZS52声级讠�/strong></h2><p></p><h4>　【产品简介【�/h4><p>　　<strong>LB-ZS52声级讠�/strong>带数据记录器功能 此设计用来做噪音工程，品质控制，健康防治及各种环境声音测量，如工厂、学校、办公室、交通路线、家庭、音响等各种场合的噪音测量应用。符合IEC61672-1 CLASS2标准，二级标准，具有宽广的动态范围，还有快、慢及自动时间常数设置，内置USB接口可将数据快速、及时地传输到电脑，并可储存32700个数据的特点、�/p><p>　　适用标准 IEC61672-1 CLASS2</p><p>　　准确� +/- 1.4dB</p><p>　　频率响应 31.5Hz~8kHz</p><p>　　动态范� 50dB</p><p>　　测量范围 LO�?0dB~80dB Med �?0dB~100dB</p><p>　　Hi�?0dB~130dB Auto�?0dB~130dB</p><p>　　频率加权特� A和C</p><p>　　时间加权特� 快�?FAST)125毫秒，慢�?SLOW)1科�/p><p>　　麦克� 1/2英寸极化电容式麦克风</p><p>　　显示 4位数，解析度0.1dB，数值更新：2�?科�/p><p>　　*da值锁� MAX HOLD</p><p>　　*小值锁� MIN HOLD</p><p>　　锁定功能 HOLD</p><p>　　过载指示 “OVER� “UNDER”符号表礹�/p><p>　　模拟信号输出 AC/DC信号由耳机插孔输出</p><p>　　AC=1Vrms ，DC=10mV/dB</p><p>　　数据输出 USB数据通信</p><p>　　电源 单个9V电池�?06P或NEDA1604或IEC6F22</p><p>　　电池寿命 至少30个小旵�/p><p>　　操作温湿� 0oC~40oC�?0%RH~90%RH</p><p>　　保存温湿� -10oC~60oC�?0%RH~75%RH</p><p>　　外型尺寸 278 (L) x76 (W)x50(H) mm</p><p>　　重量 350g</p><h4>　　【产品特性【�/h4><p>　　1. 本噪音计符合IEC61672-1 CLASS2</p><p>　　2. *da*小值测野�/p><p>　　3. 过载提示</p><p>　　4. 低载提示</p><p>　　5. A和C加权网络选择</p><p>　　6. �?FAST)�?SLOW)响应时间选择</p><p>　　7. AC和DC模拟信号输出，可连接至频率分析仪或X-Y轴记录器做数据统计分析、�/p><h4>　　【应用【�/h4><p>　　工厂、学校、办公室、交通路线、家庭、音响等各种场合的噪音测量应�?/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="247069" /> <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）">