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id="obn3rcn" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</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(kāi)關(guān)柜</a>?眉山氣體檢測(cè)儀器歡迎咨詢成都皖川科技供應(yīng)</p><div id="vio4x38" class="leftbox clearfix"><h1>眉山氣體檢測(cè)儀器歡迎咨詢成都皖川科技供應(yīng)</h1><div id="8qg48ds" class="proBig"><div id="w8avqwc" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087737402344/6678506.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zzpssnn" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087737402344/6678506.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="p2qmn8t" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>眉山氣體檢測(cè)儀器</p><p><span>***更新：</span>2020-06-25 21:49:59</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="xdd0w0o" 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(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬(wàn)達(dá)廣場(chǎng)SOHO公寓2-2-1138室</p><p>[當(dāng)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="8e37qoe" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="x3yop7o" class="box"><p><p style="text-indent:25px">，機(jī)殼地（電纜的屏蔽網(wǎng)）良好接地，接好線后，緊固好機(jī)殼。啟動(dòng)：接線完畢，給探測(cè)器供電。剛啟動(dòng)后讀數(shù)將從超量程到讀數(shù)穩(wěn)定，大約要15分鐘左右。 1整機(jī)檢查：平時(shí)應(yīng)當(dāng)定期檢查探測(cè)器，它在清潔空氣中信號(hào)電流為DC4mA 2、傳感器維護(hù)：一般在安裝使用半年到一年要進(jìn)行重新檢查標(biāo)定，并由檢測(cè)方出檢測(cè)報(bào)告，眉山氣體檢測(cè)儀器。 3，眉山氣體檢測(cè)儀器、當(dāng)氣體探測(cè)器的傳感器喪失靈敏度時(shí)需要更換，通過(guò)定期標(biāo)定就會(huì)知道傳感器是否失效，眉山氣體檢測(cè)儀器，當(dāng)標(biāo)定值達(dá)不到標(biāo)氣值，要更換傳感器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山氣體檢測(cè)儀器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087737402344/6678506.jpg"></div><p style="text-indent:25px">在氣體檢測(cè)儀上我們經(jīng)?？吹缴厦鏄?biāo)注的有“PPM”、“LEL”，那么什么是“PPM”、“LEL”呢，也許很多人都不是太清楚，現(xiàn)在我們來(lái)詳細(xì)介紹這兩個(gè)詞的具體含義。 “PPM”是體積比濃度?！癙PM”是溶液濃度的一種表示方法， PPM 表示百萬(wàn)分之一。對(duì)于溶液：即1升水溶液中有1/1000毫升的溶質(zhì)，則其濃度為1 PPM 。對(duì)于氣體：對(duì)環(huán)境大氣中污染物濃度的表示方法之一。體積濃度表示法：一百萬(wàn)體積的空氣中所含污染物的體積數(shù)，即PPM ，大部分氣體檢測(cè)儀器測(cè)得的氣體濃度都是體積濃度（ PPM ），而按我國(guó)規(guī)定，特別是環(huán)保部門(mén)，則要求氣體濃度以質(zhì)量濃度的單位表示，我們國(guó)家的標(biāo)準(zhǔn)規(guī)范也都是采用質(zhì)量濃度單位表示。它是利用一些金屬氧化物半導(dǎo)體材料，在一定溫度下，電導(dǎo)率隨著環(huán)境氣體成份的變化而變化的原理制造的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山氣體檢測(cè)儀器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637064087737705079/5095940.jpg"></div><p style="text-indent:25px">氣體檢測(cè)儀器是一種氣體泄露濃度檢測(cè)的儀器儀表工具，主要是指便攜式/手持式氣體檢測(cè)儀器。主要利用氣體傳感器來(lái)檢測(cè)環(huán)境中存在的氣體種類(lèi)，氣體傳感器是用來(lái)檢測(cè)氣體的成份和含量的傳感器。一般認(rèn)為，氣體傳感器的定義是以檢測(cè)目標(biāo)為分類(lèi)基礎(chǔ)的首先步是將氣體探測(cè)器安裝在可能有氣體泄漏的區(qū)域中，氣體探測(cè)器安裝必須牢固，且安裝位置根據(jù)被測(cè)氣體相對(duì)于空氣比重大小決定，因被測(cè)氣體比重小于空氣，探測(cè)器應(yīng)安裝在距頂棚30～60cm處。用Φ8膨脹螺絲將探測(cè)器固定在墻壁上。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/391694.html</p></div></div></div></div></div><div id="3buhc2k" class="page-right 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