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</li> <li> <a href="/ParentList-1157178.html" onmouseover="showsubmenu('德國(guó)WTW水質(zhì)分析儀')">德國(guó)WTW水質(zhì)分析儀</a> <div class="gbd9wdnsvu" id="submenu_德國(guó)WTW水質(zhì)分析儀" style="display:none"> <ul class="two_profl"> <li><a href="/SonList-1157181.html">PH電極</a></li> </ul> </div> </li> </ul> </div> </div> <div id="gbd9wdnsvu" class="nymiddlezty"> <div id="gbd9wdnsvu" 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> > 氣體檢測(cè)儀傳感器壽命是多長(zhǎng)</div> <div id="gbd9wdnsvu" class="about_con"> <h1 class="newstit">氣體檢測(cè)儀傳感器壽命是多長(zhǎng)</h1> <div id="gbd9wdnsvu" class="newstime"> <span id="gbd9wdnsvu" class="skim"><em>瀏覽次數(shù)：</em>2455</span><span id="gbd9wdnsvu" class="skimtim"><em>發(fā)布日期：</em>2018-05-28 </span> </div> <h2><strong>氣體檢測(cè)儀傳感器壽命是多長(zhǎng)</strong></h2><p><span style="font-size:16px">對(duì)于氣體檢測(cè)儀很多人買了以后不知道它能用多久，有的甚至以為可以一直用。這樣的做法是不對(duì)的。</span></p><p><span style="font-size:16px">　　氣體檢測(cè)儀的使用壽命主要取決于，它的主要元件-----<strong>傳感器</strong>。</span><br /> </p><p><span style="font-size:16px">　　我們知道，不可能有一種傳感器可以檢測(cè)所有的氣體，滿足所有的要求，各種氣體和各種環(huán)境使用的傳感器也不一樣，大致可以分為：<strong>用于檢測(cè)有DU氣體濃度的傳感器</strong>和<strong>用于檢測(cè)可燃?xì)怏w的爆炸濃度的傳感器</strong>。</span></p><p> </p><p><span style="font-size:16px">　　1、用于測(cè)量有DU氣體濃度的傳感器大多是電化學(xué)傳感器，它是基于電化學(xué)原理工作的傳感器，影響其壽命的主要是電解液，一般的傳感器在2～3年之后，電解液就消耗的不能再正常工作了，所以電化學(xué)傳感器的使用壽命是2～3年。</span></p><p> </p><p><span style="font-size:16px">　　2、用于檢測(cè)可燃?xì)怏w濃度的傳感器大多是催化燃燒傳感器，它的使用壽命在3～5年。另外氣體探測(cè)器(包括固定式氣體報(bào)警器和便攜式氣體報(bào)警器)傳感器的壽命同它所暴露的濃度有很有大的關(guān)系。比如說某個(gè)氨氣檢測(cè)儀的傳感器如果連續(xù)暴露于2ppm氨氣之中，它的壽命大約是一年(或者稱為2ppm..年壽命)如果暴露于4ppm的氨氣水平，則只有六個(gè)月的壽命。這樣氨氣傳感器就不適合應(yīng)用于化肥廠，因?yàn)榇藭r(shí)氨的濃度平均都在20~30ppm左右。<br /><br /> 所以影響</span><span style="font-size:16px">傳感器壽命的主要因素還在于它所處于的環(huán)境，其次是傳感器的機(jī)構(gòu)。</span><span style="font-size:16px">傳感器直接影響氣體檢測(cè)儀的使用，所以關(guān)注</span><span 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