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14px;">手持式激光甲烷檢測儀</span></a></strong><span style="font-size: 14px;">采用*可調諧二極管激光吸收光譜技術(shù)（TDLAS），是目前國內實(shí)際檢測距離遠、靈敏度較高的激光甲烷遙測儀產(chǎn)品，這種技術(shù)提高了遙測儀的測量距離和準確度，是燃氣巡檢和泄漏檢測有力的安全保障儀器。廣泛應用于：市政燃氣、石油石化、燃氣公司巡檢、小區居民樓巡檢、</span></div><div><span style="font-size: 14px;">　　手持式激光甲烷檢測儀發(fā)射出的激光通過(guò)天然氣泄漏氣團時(shí)，激光可以吸收甲烷氣體，吸收后的激光通過(guò)物體反射后返回到儀器本身，經(jīng)過(guò)儀器內部元件處理得出泄漏甲烷濃度信息，該濃度信息可用甲烷柱體密度(ppm﹒m)表示。</span></div><div><span style="font-size: 14px;">使用手持式激光甲烷檢測儀要注意這三點(diǎn)：</span></div><div><span style="font-size: 14px;">　　一、注意定期校準</span></div><div><span style="font-size: 14px;">　　手持式激光甲烷檢測儀的核心元件是氣體傳感器，傳感器自它生產(chǎn)出來(lái)后使用壽命就在倒計時(shí)，即使你不使用氣體檢測儀，它也需要你在三個(gè)月或六個(gè)月或一年時(shí)間做校準檢驗，或更換傳感器。此外，所有的氣體檢測儀都是采用相對測量的方法，因此都需要及時(shí)的維護和校正，只有按照制造商的要求隨時(shí)進(jìn)行校正，才可以得到期望的準確結果?？梢宰鲞@樣校驗的地方有國家部門(mén)計量院，還可以送到廠(chǎng)家在國內的售后服務(wù)部。</span></div><div><span style="font-size: 14px;">　　二、注意各種傳感器之間的檢測干擾，一般來(lái)說(shuō)，每個(gè)傳感器對應于特定的探測氣體，但任何類(lèi)型的氣體探測器都不能確定其特殊效果。因此，在選擇氣體傳感器時(shí)，我們應盡可能多地了解其他氣體對傳感器的探測干擾，以確保其準確地檢測特定氣體。</span></div><div><span style="font-size: 14px;">　　三、注意手持式激光甲烷檢測儀的濃度測量量程范圍。只要在測量范圍內完成測量，這樣才能確保測量的準確性。如果待測氣體濃度超出測量范圍，可能會(huì )對傳感器造成損壞。例如，如果在超過(guò)100%LEL的環(huán)境中不小心使用LEL探測器，就有可能*燒毀傳感器。高濃度長(cháng)期使用的有毒氣體檢測器也會(huì )造成損壞。因此，如果固定儀器發(fā)出溢出信號，就必須立即關(guān)閉測量電路，以確保傳感器的安全。</span></div></p> </ul> <div class="ame0q00" id="news_sx"> <li id="oouo0o2" class="sx_left">上一篇：<a href="/Article-2667164.html">S60牛奶分析儀的主要特點(diǎn)及注意事項</a><br>下一篇：<a href="/Article-2663065.html">LB-60M-IS激光甲烷檢測儀的工作原理及性能特點(diǎn)</a></li> <li id="0c0uo4w" class="sx_right"><a href="/article.html">返回</a></li> </div> </div> </div> </div> <footer id="footer" class="clearfix"> <div class="2s2cg0g" id="foot"> <div id="qeumm2s" class="foot_top clearfix" > <ul> <li id="muc22yy" class="email"><div id="m2ia0ao" class="hhh">公司郵箱：</div><p>2948626556@qq.com</p></li> <li id="kkycyce" 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