如何正確使用氣體檢測儀-上海植茂環(huán)?？萍加邢薰?/title> <link rel="stylesheet" type="text/css" href="/skins/290838/css/style.css"> <link rel="stylesheet" type="text/css" href="/skins/290838/css/swiper.min.css"> <script src="/skins/290838/js/jquery-3.6.0.min.js"></script> <script src="/skins/290838/js/swiper.min.js"></script>  <script type="text/javascript"> document.addEventListener("touchstart", function () { }, true); </script>  <script language="javascript" type="text/javascript"> var nav= '5'; </script>  <link rel="shortcut icon" href="/Skins/290838/favicon.ico" /> <link rel="canonical" href="http://m.wanyida.cn/"/> <script src="http://msite.baidu.com/sdk/c.js?appid=1608313242543244"></script> <script type="application/ld+json"> { "@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld", "@id": "http://m.wanyida.cn/Article-695370.html", "appid": "1608313242543244", "title": "如何正確使用氣體檢測儀", "pubDate": "2014-09-26T16:16:22", "upDate": "2014-09-26T16:16:22" }</script> <script 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class="ny_content_bd"> <div id="ytmnq1nx" class="w1200 clear"> <div id="ytmnq1nx" class="ny_newsdetail clear"> <h1 class="ny_newsdetail_title">如何正確使用氣體檢測儀</h1> <div id="ytmnq1nx" class="ny_newsdetail_tips">更新時間：2014-09-26 | 點擊率：2683</div> <div id="ytmnq1nx" class="ny_newsdetail_con"> 使用<strong><a href="http://m.wanyida.cn/">氣體檢測儀</a></strong>的步驟： <div> 1、確認(rèn)所要檢測氣體種類和濃度范圍:</div><div> 　每一個生產(chǎn)部門所遇到的氣體種類都是不同的。在選擇<strong>氣體檢測儀</strong>時就要考慮到所有可能發(fā)生的情況。如果甲烷和其它毒性較小的烷烴類居多,選擇LEL檢測儀無疑是zui為合適的。這不僅是因為LEL檢測儀原理簡單,應(yīng)用較廣,同時它還具有維修、校準(zhǔn)方便的特點。如果存在一氧化碳、硫化氫等有毒氣體,就要優(yōu)先選擇一個特定<strong>氣體檢測儀</strong>才能保證工人的安全。如果更多的是有機(jī)有毒有害氣體,考慮到其可能引起人員中毒的濃度較低,比如芳香烴、鹵代烴、氨(胺)、醚、醇、脂等等,就應(yīng)當(dāng)選擇前章介紹的光離子化檢測儀,而不要使用LEL檢測器應(yīng)付,因為這可能會導(dǎo)致人員傷亡。</div><div>　　如果氣體種類覆蓋了以上幾類氣體,選擇一個復(fù)合式氣體檢測儀可能會達(dá)到事半功倍的效果。</div><div> 　 2、確定使用場合:</div><div> 　工業(yè)環(huán)境的不同,選擇<strong>氣體檢測儀</strong>種類也不同。</div><div> 　 A)固定式<strong>氣體檢測議</strong>:</div><div> 　這是在工業(yè)裝置上和生產(chǎn)過程中使用較多的檢測儀。它可以安裝在特定的檢測點上對特定的氣體泄漏進(jìn)行檢測。</div><div> 　 B)便攜式<strong>氣體檢測儀</strong>：</div><div> 　由于便攜式儀器操作方便,體積小巧,可以攜帶至不同的生產(chǎn)部位,電化學(xué)檢測儀采用堿性電池供電,可連續(xù)使用1000小時;新型LEL檢測儀、PID和復(fù)合式儀器采用可充電池(有些已采用無記憶的鐮氫或鯉離子電池),使得它們一般可以連續(xù)工作近12小時,所以,作為這類儀器在各類工廠和衛(wèi)生部門的應(yīng)用越來越廣。</div><div> 　如果是在開放的場合,比如敞開的工作車間使用這類儀器作為安全報警,可以使用隨身佩戴的擴(kuò)散式<strong>氣體檢測儀</strong>,因為它可以連續(xù)、實時、準(zhǔn)確地顯示現(xiàn)場的有毒有害氣體的濃度。這類的新型儀器有的還配有振動警報附件以避免在嘈雜環(huán)境中聽不到聲音報警,并安裝計算機(jī)芯片來記錄峰值、S(15分鐘短期暴露水平)和TWA(8小時統(tǒng)計權(quán)重平均值)為工人健康和安全提供具體的指導(dǎo)。</div><div> 如果是進(jìn)入密閉空間,比如反應(yīng)罐、儲料罐或容器、下水道或其它地下管道、地下設(shè)施、農(nóng)業(yè)密閉糧倉、鐵路罐車、船運貨艙、隧道等工作場合,在人員進(jìn)入之前,就必須進(jìn)行檢測,而且要在密閉空間外進(jìn)行檢測。此時,就必須選擇帶有內(nèi)置采樣泵的多<strong>氣體檢測儀</strong>。因為密閉空間中不同部位(上、中、下)的氣體分布和氣體種類有很大的不同。</div><div> 　另外,進(jìn)入密閉空間后,還要對其中的氣體成分進(jìn)行連續(xù)不斷的檢測,以避免由于人員進(jìn)入、突發(fā)泄漏、溫度等變化引起揮發(fā)性有機(jī)物或其它有毒有害氣體的濃度變化。</div><div> 　　</div><div>　　</div> </div> <div id="ytmnq1nx" class="ny_PrevNext"> <div id="ytmnq1nx" 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