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id="i4jiklr9x9" class="nymiddlezty"> <div id="i4jiklr9x9" class="mianbao">您現(xiàn)在的位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > 便攜式氣體檢測(cè)儀中泵吸式與擴(kuò)散式的區(qū)別</div> <div id="i4jiklr9x9" class="about_con"> <h1 class="newstit">便攜式氣體檢測(cè)儀中泵吸式與擴(kuò)散式的區(qū)別</h1> <div id="i4jiklr9x9" class="newstime"> <span id="i4jiklr9x9" class="skim"><em>瀏覽次數(shù)：</em>2676</span><span id="i4jiklr9x9" class="skimtim"><em>發(fā)布日期：</em>2012-06-03 </span> </div> <p><strong>便攜式氣體檢測(cè)儀中泵吸式與擴(kuò)散式的區(qū)別<br /></strong>泵吸式氣體檢測(cè)儀是儀器配置了一個(gè)小型氣泵，其工作方式是電源帶動(dòng)氣泵對(duì)待測(cè)區(qū)域的氣體進(jìn)行抽氣采樣，然后將樣氣送入儀表進(jìn)行檢測(cè)。<br />泵吸式氣體檢測(cè)儀的特點(diǎn)是檢測(cè)速度快，對(duì)現(xiàn)對(duì)危險(xiǎn)的區(qū)域可進(jìn)行遠(yuǎn)距離測(cè)量，維護(hù)人員安全，其它和擴(kuò)散式氣體檢測(cè)儀一樣。<br />擴(kuò)散式氣體檢測(cè)儀顧名思義是被檢測(cè)區(qū)域的氣體隨著空氣的自由流動(dòng)緩慢的將樣氣流入儀表進(jìn)行檢測(cè)。這種方式受檢測(cè)環(huán)境的影響，如環(huán)境溫度、風(fēng)速等。<br />擴(kuò)散式氣體檢測(cè)儀特點(diǎn)是成本低。<br />泵吸式與擴(kuò)散式氣體檢測(cè)儀的工作原理基本一樣，通過(guò)儀器的傳感器對(duì)樣氣檢測(cè)然后通過(guò)電路放大整理轉(zhuǎn)換成對(duì)應(yīng)的數(shù)值顯示在屏幕上?？扇夹詺怏w常用催化燃燒型傳感器，毒性氣體常用電化學(xué)型傳感器。</p> <div class="i4jiklr9x9" id="news_sx"><li id="i4jiklr9x9" class="sx_left">上一篇：<a href="/Article-93481.html">四苯硼酸法測(cè)量鉀含量</a> <br />下一篇：<a href="/Article-93479.html">氣體檢測(cè)報(bào)警儀的分類及選用</a></li></div> </div> </div> </div> </div> <div id="i4jiklr9x9" class="clear"></div>  <div id="i4jiklr9x9" class="ly_foot"> <div id="i4jiklr9x9" class="ft_main"> <div id="i4jiklr9x9" class="ft_contact"> <em>Contact Us</em> <ul> <li><img src="/Skins/71487/images/qq.png" />聯(lián)系QQ：2925768702</li> <li><img src="/Skins/71487/images/email.png" />聯(lián)系郵箱：2925768702@qq.com</li> <li><img src="/Skins/71487/images/fax.png" />傳真：0513-84312159</li> <li><img src="/Skins/71487/images/addr.png" />聯(lián)系地址：江蘇省南通市銀河工業(yè)園區(qū)</li> </ul> </div> <div id="i4jiklr9x9" class="ft_prolist"> <em>Products</em> <ul> <li><a 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