LB-2070型空气氟化物采样�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <h1><strong><span>LB-2070</span></strong><strong><span>� 环境空气采样�?/span></strong><strong><span>空气</span></strong><strong><span>氟化物采栶�/span></strong><strong></strong></h1><p></p><h1><span>1 </span><strong><span>概述</span></strong><strong></strong></h1><p><span>LB-2070� 环境空气采样器适用于环境空气中气态和颗粒态氟化物的采样。采用磷酸氢二钾浸渍的乙�?硝酸纤维微孔滤膜（孔�?��m，直�?0mm），当采样流�?0L/min，采样时�?h时，方法检出限�?.5��g/m</span><sup><span>3</span></sup><span>，测定下限为2.0��g/m</span><sup><span>3</span></sup><span>；当采样流量16.7L/min，采样时�?4h时，方法检出限�?.06��g/m</span><sup><span>3</span></sup><span>，测定下限为0.24��g/m</span><sup><span>3</span></sup><span>。其采用先进的模具成型工艺，结构紧凑，具有体积小、重量轻等优点、�/span></p><h1><span>2 </span><strong><span>引用标准</span></strong><strong></strong></h1><p><span>JJG 943-2011《总悬浮颗粒物采样器《�/span></p><p><span>HJ/T 194-2005《环境空气质量手工监测技术规范《�/span></p><p><span>HJ 93-2013《环境空气颗粒物（PM10和PM2.5)采样器技术要求及检测方法《�/span></p><p><span>HJ 955-2018《环境空� 氟化物的测定滤膜采样/氟离子选择电极法《�/span></p><h1><span>3 </span><strong><span>技术指栆�/span></strong><strong></strong></h1><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><strong><span>主要参数</span></strong><strong></strong></p></td><td><p><strong><span>参数范围</span></strong><strong></strong></p></td><td><p><strong><span>分辨玆�/span></strong><strong></strong></p></td><td><p><strong><span>准确�?/span></strong><strong></strong></p></td></tr><tr><td><p><span>采样流量</span><strong></strong></p></td><td><p><span>�?0�?00）L/min</span><strong></strong></p></td><td><p><span>0.1L/min</span><strong></strong></p></td><td><p><span>优于��2.0%</span><strong></strong></p></td></tr><tr><td><p><span>采样体积</span><strong></strong></p></td><td><p><span>999999.9L</span><strong></strong></p></td><td><p><span>0.1L</span><strong></strong></p></td><td><p><span>优于��2.0%</span><strong></strong></p></td></tr><tr><td><p><span>采样时间</span><strong></strong></p></td><td><p><span>1min�?9h59min</span><strong></strong></p></td><td><p><span>1s</span><strong></strong></p></td><td><p><span>优于��0.1%</span><strong></strong></p></td></tr><tr><td><p><span>环境大气厊�/span><strong></strong></p></td><td><p><span>�?0�?30）kPa</span><strong></strong></p></td><td><p><span>0.01kPa</span><strong></strong></p></td><td><p><span>优于��0.5kPa</span><strong></strong></p></td></tr><tr><td><p><span>负载能力</span><strong></strong></p></td><td colspan="3"><p><span>50L/min流量时，负载能力</span><span>＝�/span><span>30kPa</span><strong></strong></p></td></tr><tr><td><p><span>工作电压</span><strong></strong></p></td><td colspan="3"><p><span>AC 220V��10% 50Hz或选配便携式交直流电源</span><strong></strong></p></td></tr><tr><td><p><span>噪声</span><strong></strong></p></td><td colspan="3"><p><span>�?5dB（A（�/span><strong></strong></p></td></tr><tr><td><p><span>功耖�/span></p></td><td colspan="3"><p><span>�?00W</span></p></td></tr></tbody></table><h1><span>4 </span><strong><span>主要特点</span></strong><strong></strong></h1><p><span>1、宽温液晶显示屏，中文菜单显示，图文并茂，方便操作、�/span></p><p><span>2、采用容积式无刷叶片泵，流量范围�?0�?00）L/min�?0L/min流量时，负载能力�?0kPa，具有日�?6.67L/min采样、时�?0L/min采样两种功能、�/span></p><p><span>3、采样头可放�?0mm滤膜（有效直�?0mm），配有两层不锈钢支撑滤膜网垫，两层网垫间有2mm�?mm间隔圈相隔、�/span></p><p><span>4、采用电子流量计及流量补偿系统，自动测量温度、大气压力、计前温度、计前压力等参数，自动计算累计体积、�/span></p><p><span>5、当进行小时均值测定时，以50L/min流量采集，负载能力＞30kPa（大于标准要求克�?0kPa压力负荷），至少采样45min�?4小时均值测定时，以16.7L/min流量采集，至少采�?0小时、�/span></p><p><span>6、具有气路堵塞和低流量保护功能，采样时如果在一定时间内未达到设定流量，仪器即进入自动保护模式、�/span></p><p><span>7、通过键盘直接对仪器的各项参数进行在线标定，仪器维护及标定必须输入密码，且具有权限管理功能，保证仪器各项参数安全、�/span></p><p><span>8、采用防水结构设计，野外工作时，可防雨雪侵袭、�/span></p><p><span>9、具有实时时钟，采样数据自动记忆，下次开机优先使用，实现一键采样、�/span></p><p><span>10、自动存储监测数据，可外接打印机或U盘拷贝打印、�/span></p><p><span>11、采样头采用铝合金材质并经氧化处理，抗静电吸附、�/span></p><p><span>12、出厂标配氟化物双膜采样头，可对环境空气中气态和颗粒态氟化物进行采样、�/span></p><h1><span>5 </span><strong><span>工作原理</span></strong><strong></strong></h1><p><span>使一定体积的空气恒速通过已知质量的滤膜，悬浮于空气中的颗粒物被阻留在滤膜上，根据滤膜增加的质量与通过滤膜的空气体积，确定空气中总悬浮颗粒物的质量浓度，并可用于测定颗粒物中的金属、无机盐以及有机污染物等组分、�/span></p><h1><span>6 </span><strong><span>工作条件</span></strong><strong></strong></h1><p><span>环境温度：（-20~45）℃：�/span></p><p><span>环境湿度：（0~85�?RH：�/span></p><p><span>大气压力：（86~106）kPa：�/span></p><p><span>工作电源：AC�?20��10%）V �?0��1）Hz、�/span></p><p><span>青岛路博为您提供专业的技术支持和售后服务</span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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