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style="font-family:宋體"><span style="font-size:16.0pt"><span style="background-color:#008080">型<strong>相關濾波紅外法一氧化碳分析儀</strong></span></span></span></span></strong></p><p><strong><span style="color:white"><span style="font-family:宋體"><span style="font-size:14.0pt"><span style="background-color:#008080">產品原理</span></span></span></span></strong></p><p><strong><span style="font-family:宋體"><span style="font-size:12.0pt"><strong>相關濾波紅外法一氧化碳分析儀</strong></span></span></strong><span style="font-family:宋體"><span style="font-size:12.0pt">基于氣體對紅外光吸收的</span></span><span style="font-family:宋體"><span style="font-size:12.0pt">比爾</span></span><span style="font-size:12.0pt">-</span><span style="font-family:宋體"><span style="font-size:12.0pt">朗伯</span></span><span style="font-family:宋體"><span style="font-size:12.0pt">吸收定律，采用上先進的非分散紅外吸收法即</span></span><span style="font-size:12.0pt">NDIR</span><span style="font-family:宋體"><span style="font-size:12.0pt">技術，如調制紅外光源、進口高靈敏度濾光傳感一體化紅外傳感器、高精度前置放大電路、鍍膜氣室等。采用長壽命的紅外光源通過電子脈沖調制發射；鍍膜氣室的另一端為高精度濾光傳感一體化紅外檢測傳感器。儀器具有自動零點校正，測量范圍可擴展，準確度高，響應時間快，模擬信號、數字信號等多種輸出功能；采用大屏幕</span></span><span style="font-size:12.0pt">LCD</span><span style="font-family:宋體"><span style="font-size:12.0pt">顯示、全中文菜單具有量程設置、故障自我診斷。</span></span></p><p style="text-align:center"><img alt="" src="http://img49.chem17.com/9/20180603/636636134394551094923.png" style="height:449px; width:571px" /></p><p style="text-align:center"> </p><p style="text-align:center"> <strong><span style="font-family:宋體"><span style="font-size:12.0pt"><strong></strong></span></span></strong> <span style="font-family:宋體"><span style="font-size:12.0pt">原理示意圖</span></span></p><p> </p><p><strong><span style="color:white"><span style="font-family:宋體"><span style="font-size:14.0pt"><span style="background-color:#008080">功能特點</span></span></span></span></strong></p><ul style="list-style-type:circle"><li><span style="font-family:宋體">液晶顯示</span> <span style="font-family:宋體">分析儀采用</span>5.7"<span style="font-family:宋體">大屏幕液晶顯示，全中文菜單。</span></li><li><span style="font-family:宋體">鍵盤輸入</span> <span style="font-family:宋體">簡易按鍵輸入，人機對話模式，操作簡便。</span></li><li><span style="font-family:宋體">具有自主知識產權的嵌入式計算機和實時操作系統控制運行，軟件在線升級。</span></li><li><span style="font-family:宋體">氣體多級過濾，避免反應池污染，延長系統維護周期。</span></li><li><span style="font-family:宋體">分析儀能提供各種在線的運行參數，可輸出至上位機，也可接受指令運行。</span></li><li><span style="font-family:宋體">系統溫度和壓力變化自動進行補償。</span></li><li><span style="font-family:宋體">具有自動和手動校準，可接收遠程控制指令進行自動校準</span></li><li><span style="font-family:宋體">內部故障自動診斷和報警提示，也可以通過遠程診斷。</span></li><li><span style="font-family:宋體">多種接口輸出：模擬輸出、電流輸出、繼電器輸出，增強了系統兼容性。</span></li><li><span style="font-family:宋體">系統斷電后來電自動重新啟動，恢復正常工作。</span></li></ul><p><strong><span style="color:white"><span style="font-family:宋體"><span style="font-size:14.0pt"><span style="background-color:#008080">技術指標</span></span></span></span></strong></p><ul><li><span style="font-family:宋體">測量原理：相關濾波紅外吸收法</span></li><li><span style="font-family:宋體">測量范圍：</span>0<span style="font-family:宋體">～</span>20ppm</li><li><span style="font-family:宋體">測量單位：</span>ppm<span style="font-family:宋體">、</span>mg/m<sup>3</sup><span style="font-family:宋體">可選</span></li><li><span style="font-family:宋體">零點噪聲：</span>0.1ppm <span style="font-family:宋體">（</span>300<span style="font-family:宋體">秒平均）</span></li><li><span style="font-family:宋體">檢測限：</span>0.2ppm</li><li><span style="font-family:宋體">零點漂移：</span>±0.5ppm/24h</li><li>80%<span style="font-family:宋體">量程漂移：</span>±1ppm</li><li>20%<span style="font-family:宋體">量程精密度：</span>0.5ppm</li><li>80%<span style="font-family:宋體">量程精密度：</span>1.0ppm</li><li><span style="font-family:宋體">響應時間：</span> ≤120s(<span style="font-family:宋體">滯后</span>20s)</li><li><span style="font-family:宋體">采樣流量：</span> 700mL/min±10%</li><li><span style="font-family:宋體">信號輸出：</span>RS232/RS485/WLAN<span style="font-family:宋體">接口可選，</span>4-20mA<span style="font-family:宋體">，</span>0-1V/2V/5V/10V<span style="font-family:宋體">可選；具有</span>2<span style="font-family:宋體">個數字接口（分別用于本地數采儀，</span>VPN<span style="font-family:宋體">實時傳輸、智能維護和質控系統</span></li></ul><p><strong><span style="color:white"><span style="font-family:宋體"><span style="font-size:14.0pt"><span style="background-color:#008080">執行標準</span></span></span></span></strong></p><p><span style="font-family:times new roman,serif">GB3095-2012 </span>環境空氣質量標準</p><p><span style="font-family:times new roman,serif">HJ193-2013 </span>環境空氣氣態污染物（<span style="font-family:times new roman,serif">SO<sub>2</sub></span>、<span style="font-family:times new roman,serif">NO<sub>2</sub></span>、<span style="font-family:times new roman,serif">O<sub>3</sub></span>、<span style="font-family:times new roman,serif">CO</span>）連續自動監測系統安裝和驗收技術規范</p><p><span style="font-family:times new roman,serif">HJ654-2013 </span>環境空氣氣態污染物（<span style="font-family:times new roman,serif">SO<sub>2</sub></span>、<span 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