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class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_gydqew/">高壓電器</a>?<a href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關(guān)柜</a>?德陽氣體檢測儀器供應創(chuàng)新服務成都皖川科技供應</p><div id="u5u3xrl" class="leftbox clearfix"><h1>德陽氣體檢測儀器供應創(chuàng)新服務成都皖川科技供應</h1><div id="eghtkm9" class="proBig"><div id="d9e7x3k" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087738046875/7186463.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7md8xr8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087738046875/7186463.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rcdhdfo" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>德陽氣體檢測儀器供應</p><p><span>最后更新：</span>2020-06-05 12:13:00</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ujrcjgp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="quwtoam" class="page-proshow02"><p class="title">詳細說明</p><div id="cme7a7i" class="box"><p><p style="text-indent:25px">“LEL"是指爆炸下限?？扇細怏w在空氣中遇明火種爆炸的比較低濃度，稱為爆炸下限—簡稱%LEL。可燃氣體在空氣中遇明火種爆炸的比較高濃度，稱為爆炸上限—簡稱%UEL。那么什么是爆炸下限呢？可燃性氣體的濃度過低或過高它是沒有危險的，它只有與空氣混合形成混合氣或更確切地說遇到氧氣形成一定比例的混合氣才會發(fā)生燃燒或爆炸。有關(guān)權(quán)威部門和專家已經(jīng)對目前發(fā)現(xiàn)的可燃氣作了燃燒爆炸分析，制定出了可燃性氣體的爆炸極限，低于爆炸下限，混合氣中的可燃氣的含量不足，不能引起燃燒或爆炸，德陽氣體檢測儀器供應，高于上限混合氣中的氧氣的含量不足，也不能引起燃燒或爆炸。另外，可燃氣的燃燒與爆炸還與氣體的壓力、溫度、點火能量等因素有關(guān)。爆炸極限一般用體積百分比濃度表示。爆炸極限是爆炸下限、爆炸上限的總稱，德陽氣體檢測儀器供應，可燃氣體在空氣中的濃度只有在爆炸下限，德陽氣體檢測儀器供應、爆炸上限之間才會發(fā)生爆炸。低于爆炸下限或高于爆炸上限都不會發(fā)生爆炸。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽氣體檢測儀器供應" src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087738046875/7186463.jpg"></div><p style="text-indent:25px">1.便攜式氣體檢測儀使用時應佩戴在盡量接近口、鼻的部位，如衣服前領(lǐng)口、上衣口袋等，嚴禁將報警器放置于口袋內(nèi)等不易查看的部位，影響檢測數(shù)值。 2.使用程中應盡量避免碰撞，造成檢測數(shù)據(jù)異常。 3.氣體檢測儀傳感器等部件屬于精密部件，調(diào)整好的儀器不要隨便開蓋，使用過程中應注意防水和雜質(zhì)進入，防止造成數(shù)據(jù)異常。 4.使用時如出現(xiàn)指示燈連續(xù)閃亮、顯示屏突然無數(shù)值顯示、氣體明顯超標區(qū)域顯示數(shù)值不動作、差距大等異常情況應立即停止作業(yè)，撤離到空氣清新區(qū)域觀察是何問題，并及時排除，否則嚴禁繼續(xù)使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽氣體檢測儀器供應" src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087737705079/5095940.jpg"></div><p style="text-indent:25px">雖然氣體檢測儀與氣體分析儀在原理上都是采用各類氣體傳感器來測量氣體濃度，且在石化、煤炭、冶金、化工、市政燃氣、環(huán)境監(jiān)測、鋼鐵、電力等多種場所均有廣泛應用。但在其功能、結(jié)構(gòu)、檢測方式、檢測準確度、控制方式、操作方式、排干擾方式上卻大不相同，具體如下：氣體檢測儀是一種氣體泄露濃度檢測的儀器儀表工具，屬于安全防護儀器。氣體檢測儀結(jié)構(gòu)較簡單，只包括氣體探頭(氣體傳感器)及傳感器信號轉(zhuǎn)換電路部分。氣體檢測儀利用探頭直接暴露在被測的空氣中或樣氣環(huán)境中進行檢測。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="德陽氣體檢測儀器供應" src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087739882813/2084410.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/157127.html</p></div></div></div></div></div><div id="kxq3shy" class="page-right twoColRt"><div id="zjbdo3k" class="box01 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