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src="/skins/409147/images/crumb_icon.png" /><p>當前位置：<a href="/">首頁</a> > <a href="/news.html">新聞中心</a> > <span>低濃度煙塵煙氣測試儀在選購時所需要運用的技巧</span></p> </div>  <div class="search_right"> <form action="/products.html" method="post" onsubmit="return checkFrom(this);"> <div class="sc_ipt"><input type="text" name="keyword" placeholder="請輸入產品名稱" /></div> <div class="sc_btn"><input type="submit" value="搜索" /></div> <div class="clear"></div> </form> </div>  <div class="clear"></div> </div> </div>   <div class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">低濃度煙塵煙氣測試儀在選購時所需要運用的技巧</h1> <div class="NyNewsdetail_tips">發表時間：2021-07-20 點擊次數：462</div> <div class="NyNewsdetail_con"> <div>　　<strong><a href="http://www.2373j.com/Products-32543638.html" target="_blank">低濃度煙塵煙氣測試儀</a></strong>采用大流量采樣泵，流量可達100L/min，可采煙塵及高濕度低濃度管道顆粒物、測煙溫、測含濕量、打印功能；使用定位電解法測定煙道中的有害氣體，干濕球法測定煙道中的含濕量?？蓮V泛應用于環境監測、工業衛生、勞動保護、廠礦企業等部門進行管道污染源中的顆粒物采樣和有害氣體濃度采樣，也可應用于煙氣連續測量儀器準確度的評估和校準。<br /> </div><p align="center"><img 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</p><div>　　今天小編要為大家介紹的是低濃度煙塵煙氣測試儀在選購時所需要運用的技巧：</div><div>　　一、傳感器：</div><div>　　現在主流的測試儀所涉及的測量單元，主要包括兩種傳感器：</div><div>　　1、電化學傳感器：</div><div>　　優點：</div><div>　?。?）體積?。核允殖质降臋C型，一般采用電化學的。</div><div>　?。?）便宜：價格較為便宜，如果預算比較低的話，可以選購電化學傳感器的廠家。</div><div>　　2、非分散紅外傳感器：</div><div>　　優點：</div><div>　?。?）測量準確：一般測試結果不會超過滿量程的±2%，可以作為分析精密儀器使用。</div><div>　?。?）不存在交叉干擾：由于測量原理的原因，其他氣體不會對紅外傳感器產生測試干擾。</div><div>　?。?）壽命長：紅外傳感器一般沒有壽命的概念，使用時間非常長，一般都在10年以上，日常也不需要特別的維護，目前正漸漸的成為主流傳感器。</div><div>　　二、采樣系統：</div><div>　　測試儀的采樣系統分為常規采樣系統和加熱采樣系統。</div><div>　　1、常規采樣系統：一般采用耐酸堿，耐高溫的塑料管，保證對氣體無吸附。</div><div>　　2、加熱采樣系統：就是在常規采樣系統的基礎上，融入加熱的功能，保證在采樣過程中樣氣溫度在120℃以上，從而能保證采樣過程中沒有水份的凝結。</div><div>　　三、樣氣處理系統：</div><div>　　1、汽水分離器：除去液態的水分，主要是手持機型采用這種除水處理系統。</div><div>　　2、帕爾貼電子制冷器：瞬間將樣氣溫度降低到5℃，瞬間脫去樣氣水分，保證進入測試單元的樣氣是標準溫度且含水量低的，這樣傳感器才能測試的準確。</div><div>　　四、自動零點校準功能：</div><div>　　有的廠家具有自動零點校準功能，適合無人監守長期的在線連續測試。這種功能可以保證測試過程中傳感器的零點不漂移，從而確保測試結果準確。</div><div>　　希望上述內容能夠幫助大家更好的了解本測試儀。</div> </div> <div class="ly_PrevNext"> <ul> <li>上一篇：<a 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