2B 205双通道臭氧分析�?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"> <strong>仪器简介：</strong></p><p><p>2B 205双通道臭氧分析仪采用先进的紫外分光技术差分测量大气中的O<sub>3</sub>浓度。小巧、便捷、快速应用是该系统的显著特点、�/p><p><font>技术原� </p><p></font>采用紫外差分技术，通过测量双通道中I<sub>0</sub>(去除O<sub>3</sub>后的空气)和I (未去除O<sub>3</sub>的空�?的紫外衰减差值，获得O<sub>3</sub>浓度测量、�/p></p><p><strong>技术参数：</strong></p><p><p>测量协议：UV吸收，波� 254nm </p><p> 线性范围：1ppbv~100ppmv </p><p> 精密度：1ppb � 读数�?%，较大值为� </p><p> 准确度：1ppb � 读数�?%，较大值为� </p><p> 检测限�?ppb </p><p> 测量间隔�?s(平均可选时间：2s�?0s 1min�?min�?hr) </p><p> 测量时间及频率：2s�?.5Hz </p><p> 响应时间�?00%改变�?s�?� </p><p> 流速：~1.8L/min（标称）＋�1.2 L/min（需求） </p><p> 漂移９�1 ppbday＋�3 year（基线）：�1 year（灵敏度� </p><p> 输出单位：ppb� ppm� pphm� ��g m-3� mg m-3 </p><p> 数据记录�?4336行（10s avg. = 1.4 days; 5 min avg = 1.4mo.� </p><p> 温度压力补偿：有 </p><p> 操作温度�?~50��C�?20~50��C增配低温修饰系统（旋叶泵和加热灯� </p><p> 操作高度�?~30km (30~1000 mbar) </p><p> 数据输出：RS232� 0-2.5 V 模拟输出� LCD 显示 </p><p> 尺寸�? x 21 x 29 cm </p><p> 尺寸�?.1kg（无便携�?.7kg（�/p><p> 系统配置：主机、校准盒、校准数据等；GPS，存储卡，加热灯，旋叶泵� 外置泵等可选、�/p></p><p><strong>主要特点９�/strong></p><p><p>? 后备取样泵和流量计，用于低于临界值时候的自动补偿取样 </p><p> ? EEPROM只读数据存储，可记录14�?36行数� </p><p> ? 串口数据输出和模拟输� </p><p> ? 0~2.5VDC模拟输入，可连接温度、压力和湿度传感� </p><p> ? 可选的数据记录周期�?0s�?min�?min �?h� </p><p> ? 2B DewLine?消除水汽干扰技�?/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="312558" /> <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）">