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，根據比爾-朗伯定律計算出臭氧濃度，單位為ppb或μg/m3可選。儀器帶有溫度補償和大氣壓力補償。</p></div> <ul> <li><img src="/skins/375647/images/dot.png" /> <span>產品型號：</span>SEM-AQMS301O</li> <li><img src="/skins/375647/images/dot.png" /> <span>廠商性質：</span>其他</li> <li><img src="/skins/375647/images/dot.png" /> <span>更新時間：</span>2023-05-04</li> <li><img src="/skins/375647/images/dot.png" /> <span>訪問量：</span>2141 </li> </ul> <div class="pro_detail_btn"> <a href="#cpzx" class="prodtl_btn1">產品咨詢</a><a href="/contact.html" target="_blank" class="prodtl_btn2">聯系我們</a> </div> </div> <div class="clear"></div> </div>  <div class="lyNyProDetail_con"> <div class="lyNyProDetail_left lyNyPro_left"> <div class="h_left"> <div class="cp_type"> <div class="hd"><p>產品分類</p></div> <div class="bd"> <ul> <li> <p><a href="/ParentList-1623655.html">空氣質量小型站</a><span></span></p> <div> <a href="/SonList-1661356.html">揚塵在線監測系統</a> <a href="/SonList-1652480.html">氮氧化物在線分析儀</a> <a href="/SonList-1652479.html">一氧化碳在線分析儀</a> <a 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style="font-size:16.0pt"><span style="background-color:#008080">O</span></span></span></strong><strong><span style="color:white"><span style="font-family:宋體"><span style="font-size:16.0pt"><span style="background-color:#008080"><strong>紫外光度法臭氧分析儀</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>紫外光度法臭氧分析儀</strong></span></span></strong><span style="font-family:宋體"><span style="font-size:12.0pt">紫外吸收式原理，即在同一吸收池的光路末端，測出紫外</span></span><span style="font-size:12.0pt">254nm</span><span style="font-family:宋體"><span style="font-size:12.0pt">波長的光源經過臭氧吸收和未經臭氧吸收后而得到的光電流</span></span><span style="font-size:12.0pt">I</span><span style="font-family:宋體"><span style="font-size:12.0pt">和</span></span><span style="font-size:12.0pt">I<sub>0</sub> </span><span style="font-family:宋體"><span style="font-size:12.0pt">，根據比爾</span></span><span style="font-size:12.0pt">-</span><span style="font-family:宋體"><span style="font-size:12.0pt">朗伯定律計算出臭氧濃度，單位為</span></span><span style="font-size:12.0pt">ppb</span><span style="font-family:宋體"><span style="font-size:12.0pt">或</span></span><span style="font-size:12.0pt">μg/m<sup>3</sup></span><span style="font-family:宋體"><span style="font-size:12.0pt">可選。儀器帶有溫度補償和大氣壓力補償。</span></span> </p><p style="text-align:center"><img alt="" src="http://img50.chem17.com/9/20180603/636636123627224034266.jpg" style="height:632px; width:500px" /></p><p style="text-align:center"><span style="font-family:宋體"><span style="font-size:12.0pt">圖</span></span><span style="font-size:12.0pt">1 </span><span style="font-family:宋體"><span style="font-size:12.0pt"><strong></strong></span></span> <span style="font-family:宋體"><span style="font-size:12.0pt">原理框圖</span></span></p><p> </p><p><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">為單光路結構，待測氣與參比氣經轉換電磁閥依次切換到同一測量池中，紫外光在吸收池中被待測氣體中的臭氧吸收。吸收值的大小由光電器件轉變為電信號，經前置放大器放大，</span></span><span style="font-size:12.0pt">A/D</span><span style="font-family:宋體"><span style="font-size:12.0pt">并由</span></span><span style="font-size:12.0pt">CPU</span><span style="font-family:宋體"><span style="font-size:12.0pt">計算出臭氧濃度。儀器的電路部分包括</span></span><span style="font-size:12.0pt">A/D</span><span style="font-family:宋體"><span style="font-size:12.0pt">、大屏幕液晶顯示及</span></span><span style="font-size:12.0pt">D/A</span><span style="font-family:宋體"><span style="font-size:12.0pt">以及</span></span><span style="font-size:12.0pt">RS-485</span><span style="font-family:宋體"><span style="font-size:12.0pt">串行接口。顯示器可以顯示當前值、報警值、</span></span> <span style="font-family:宋體"><span style="font-size:12.0pt">溫度和壓力等以及自檢和故障自診斷功能。</span></span></p><p> </p><p> </p><p style="text-align:center"><img alt="" src="http://img50.chem17.com/9/20180603/636636123389163456746.png" style="height:106px; width:533px" /></p><p style="text-align:center"><span style="font-family:宋體"><span style="font-size:12.0pt">圖</span></span><span style="font-size:12.0pt">2</span><span style="font-family:宋體"><span style="font-size:12.0pt"><strong></strong></span></span> <span style="font-family:宋體"><span style="font-size:12.0pt">光路示意圖</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">自動零點</span>”<span style="font-family:宋體">周期能連續提供真實的零點參數，保證儀器的穩定性。</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：紫外光度法（雙光池測量）</span></li><li><span style="font-family:宋體">測量范圍：</span>0<span style="font-family:宋體">～</span>1000ppb<span style="font-family:宋體">（可擴展）</span></li><li><span style="font-family:宋體">測量單位：</span>ppm<span style="font-family:宋體">、</span>ppb<span style="font-family:宋體">或</span>μg/m<sup>3</sup><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">噪</span> <span style="font-family:宋體">音：</span>1.0ppb</li><li><span style="font-family:宋體">檢測限：</span>2.0ppb</li><li><span style="font-family:宋體">零點漂移：</span> ±1ppb/24h</li><li>80%<span style="font-family:宋體">量程漂移：</span>±10ppb</li><li>20%<span style="font-family:宋體">量程精密度：</span>5ppb</li><li>80%<span style="font-family:宋體">量程精密度：</span>10ppb</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 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>）連續自動監測系統技術要求和檢測方法</p> </div> <div class="lyNyProDetail_ConTit" id="cpzx"><p>產品咨詢</p></div> <div class="ly_msg"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產品：</h4> <div class="msg_ipt1"><input class="textborder" size="30" name="Product" id="Product" value="紫外光度法臭氧分析儀" placeholder="請輸入產品名稱" /></div> </li> <li> <h4>您的單位：</h4> <div class="msg_ipt12"><input class="textborder" size="42" name="department" id="department" placeholder="請輸入您的單位名稱" /></div> </li> <li> <h4 class="xh">您的姓名：</h4> <div class="msg_ipt1"><input 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