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id="0mmgayy" class="dla"> <a href="/ParentList-2498399.html" target="_blank" onmouseover="showsubmenu('液液萃取儀')"><b>液液萃取儀</b></a> </li> </ul> </div> </div> </div> <div id="ao2kuig" class="ny_new"> <div id="cmou2wa" class="ny_tit ny_tit1"><img src="/Skins/434082/images/wz_tb.png"/><a href="/">網(wǎng)站首頁(yè)</a> ◇ <a href="/article.html">技術(shù)支持</a> ◇ 顆粒物采樣器在使用前須先了解這些</div> <div id="e2ge22c" class="inside_rnewscon"> <h1 class="newsname">顆粒物采樣器在使用前須先了解這些</h1> <li id="oasy2eg" class="time" style="padding:15px 0; text-align:center; color:#b4b4b4;">更新日期：2021-08-29 信息來(lái)源：瀏覽次數：1144</li> <ul class="dcont"> <p style="text-align: justify;"><div>　　顆粒物采樣器主要分為三種，即單獨采集顆粒物的顆粒物采樣器，單獨采集氣體的大氣采樣器和同時(shí)采集顆粒物和氣體的綜合大氣采樣器。它主要是用來(lái)采集大氣環(huán)境中顆粒物以及有毒有害氣體，即大氣環(huán)境中TSP/PM10/PM5/PM2.5等顆粒物的含量，和大氣中氨氣、苯、TVOC、SO2、NOx等有害氣體的含量。</div><div>　　現今社會(huì )，社會(huì )在隨著(zhù)科技發(fā)展的同時(shí)，也伴隨著(zhù)環(huán)境的污染，尤其是大氣污染。因此我們就需要使用顆粒物采樣器對大氣進(jìn)行采樣。顆粒物采樣器是一種集現代科學(xué)技術(shù)于一體的大氣顆粒物采樣的精密儀器。該采樣器具有多種優(yōu)點(diǎn)，是環(huán)保行業(yè)中重要的使用工具。</div><div>　　顆粒物采樣器在使用前須先了解這些：</div><div>　　1、采樣器在使用前，要為內置電源充足電。充電時(shí)，電源引線(xiàn)插入儀器背面的電源切換插座中，同時(shí)將儀器面板上的功能開(kāi)關(guān)撥至“C”位置，此時(shí)微電腦顯示窗口顯示“一、二、三”連續串動(dòng)的標志，說(shuō)明儀器正處于充電狀態(tài)。一般充電需16小時(shí)左右，儀器內有充電保護電路，不會(huì )發(fā)生過(guò)充電顯現。</div><div>　　2、采樣時(shí)，在儀器進(jìn)氣口接上過(guò)濾器，主要是對空氣中的灰塵等進(jìn)行過(guò)濾；另在發(fā)生誤操作倒吸溶液時(shí)過(guò)濾膨脹，可以防止溶液吸入泵體，以免泵體損壞。大氣粉塵顆粒物綜合采樣器使用時(shí)間較長(cháng)，也須及時(shí)更換濾塵泡塑塊，以免臟物穿透濾塵泡塑塊進(jìn)入泵內影響泵的流量。</div><div>　　3、檢查儀器的可靠性，除檢驗有關(guān)技術(shù)指標外，還需檢查鎘膜泵是否竄氣。檢查時(shí)首先用手指堵住儀器的進(jìn)氣口，觀(guān)察流量計的轉子是否降至低處，如果流量計的轉子繼續竄動(dòng)，表明鎘膜泵竄氣，應及時(shí)進(jìn)行檢修。若轉子停滯不動(dòng)，表明儀器性能良好，工作流量指示可靠。</div><div>　　4、若操作中不慎倒吸酸堿溶液時(shí)，可使采樣器斷續吸入蒸餾水清洗幾次，再吸入無(wú)水乙醇，使儀器空載運轉半小時(shí)左右，使乙醇充分排出。一般情況大氣粉塵顆粒物綜合采樣器都能恢復正常工作指標。若顆?；蚶w維等雜質(zhì)進(jìn)入鎘膜泵內，經(jīng)清洗后無(wú)法排除，應寄回本廠(chǎng)維護，或到本廠(chǎng)值定地點(diǎn)維護。</div></p> </ul> <div class="ao20koc" id="news_sx"> <li id="eq0ke22" class="sx_left">上一篇：<a href="/Article-2791013.html">選購國產(chǎn)大氣采樣器要掌握的知識有哪些？</a><br>下一篇：<a href="/Article-2753976.html">介紹粉塵檢測儀的三種校準方法</a></li> <li id="oq0koww" class="sx_right"><a href="/article.html">返回</a></li> </div> </div> </div> </div> <footer id="footer" class="clearfix"> <div class="im2gmae" id="foot"> <div id="gsyey2a" 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