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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"> <h3><strong><span>NV</span></strong><strong><span>N-800S低浓度称量恒温恒湿设夆�/span></strong><strong></strong></h3><p></p><p><span>一、近日，环保部发布了新的固定污染源废气低浓度的测定标准：《固定污染源废气</span><span>低浓度颗粒物的测宙�/span><span>重量法》（</span>HJ836-2017），新标准将�?018�?�?日正式实施。同时环保部对《固定污染源中颗粒物测定与气态污染物采样方法》（GB/T16157-1996）进行了修改，也将随着HJ836-2017一起实施。这项新标准的发布想必牵动着千千万万环保检测人的心、�/span><span>二�?/span><strong><span>新标准检出限的要汁�/span></strong><span>HJ836-2017《固定污染源废气 低浓度颗粒物的测� 重量法》的检测限：《固定污染源中颗粒物测定与气态污染物采样方法》（GB/T16157-1996）的修改内容：增加�?.2在测定固定污染源排气中颗粒物浓度时，浓度小于等于20mg/m3，适用于HJ836(《固定污染源废气 低浓度颗粒物的测定重量法》），浓度大�?0mg/m3且不超过50mg/m3时，测定结果表述“�20mg></p><p><strong><span>产品概述９�/span></strong><span>NVN-800S 低浓度称量恒温恒湿设备是为满足环保部新国标HJ836-2017《固定污染源低浓度度的测定重量法》中关于采样后称量条件的要求，在恒温恒湿环境内放置高精度天平，将要称量的样品放入恒温恒湿箱体内平�?4小时后再进行称量。本产品解决了实验室环境温度湿度的变化对样品称重结果的影响，极大的提高了称量样品结果的准确性，该产品也用于其它对称量环境要求较高的样品称量、�/span><strong><span>主要特点９�/span></strong><span>u 温湿度控制精度高，满足国标HJ836-2017和HJ656-2013要求，温度波动度��0.2℃，湿度波动度优�?#177;2.0%RH。采用瑞士rotronic（罗卓尼克）产温湿度变送器，仪器的温度偏差��0.4℃，湿度偏差��1.5%RH、�/span><span>u 系统稳定过程短，过滤过程30分钟以下。稳定后随时可进行称重测试，无需像某些产品那样等待压缩机停机后才可称重、�/span><span>u 人机界面采用4寸彩色触摸屏美观耐用，如实显示温湿度数值（决不造假！）并可通过温湿度曲线分别查看温湿度波动曲线，通过表格记录查看温湿度历史数据、�/span><span>u 恒温恒湿箱体采用合理循环风方式，风力柔和、风向合理，既保证箱体内温湿度均匀，又不因风力太强而干扰天平的称重。温度均匀�?#177;0.4℃（�?.8℃），湿度均匀�?#177;1.5%RH（即3.0%RH）、�/span><span>u 压缩机组和箱体采用整体运�?分体运行式结构，既便利运输和安装，又有效避免压缩机震动对称重天平的影响，克服防震静音的难题。本仪器比分体式节省1/3占地面积、�/span><span>u 压缩机采用间歇制冷方式，比连续制冷节�?5%、�/span><span>u 加温、降温系统完全独立、�/span><span>u 标配纯净水循环供水方式加湿、�/span><span>u 送风循环系统：耐温低噪音空调形电机，多叶式轴流风轮、�/span><span>u 箱体上有二个操作入口，并用乳胶长手套进行隔离，避免人工操作过程中对恒温恒湿条件的影响、�/span><span>u 整体设备超温、过载、漏电保护，压缩机超压保护、低压保护、�/span><span>u 如遇漏电等突发情况，声光报警，报警后自动停机等保护、�/span><span>u 配置不同样品支架，可以称量不同样品、�/span><span>u 选配进口高精度十万分之一电子天平，彩色触摸屏，有中文操作系统，双量程，全自动校准、�/span><strong><span>技术指标：</span></strong></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span>主要参数</span></p></td><td><p><span> 参数范围</span></p></td></tr><tr><td><p><span>温度范围９�/span></p></td><td><p><span>15�?0℃，可任意一点设置温度（出厂设置�?0℃）</span></p></td></tr><tr><td><p><span>湿度范围９�/span></p></td><td><p><span>40%RH�?0%RH，可任意一点设置（出厂设置�?0%RH（�/span></p></td></tr><tr><td><p><span>温度波动度：</span></p></td><td><p><span>��0.2ℂ�/span></p></td></tr><tr><td><p><span>温度偏差９�/span></p></td><td><p><span>��0.4ℂ�/span></p></td></tr><tr><td><p><span>温度均匀度：</span></p></td><td><p><span>��0.4℃（�?.8℃）</span></p></td></tr><tr><td><p><span>湿度波动度：</span></p></td><td><p><span>��2.0%RH</span></p></td></tr><tr><td><p><span>湿度偏差９�/span></p></td><td><p><span>��1.5%RH</span></p></td></tr><tr><td><p><span>湿度均匀度：</span></p></td><td><p><span>��1.5%RH（即3.0%RH（�/span></p></td></tr><tr><td><p><span>升降温速率９�/span></p></td><td><p><span>≤（0.6-1.2）℃/min</span></p></td></tr><tr><td><p><span>外型尺寸(�?#215;�?#215;�?９�/span></p></td><td><p><span>1300mm��730mm��1580mm </span></p></td></tr><tr><td><p><span>供电电源９�/span></p></td><td><p><span>220-240VAC 50/60HZ</span></p></td></tr></tbody></table><p><span>青岛路博为您提供专业的技术支持和售后服务</span></p><p><span></span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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