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/>　　<strong>氣體檢測儀的</strong>安裝：<br />　　*步是將氣體探測器安裝在可能有氣體泄漏的區域中，氣體探測器安裝必須牢固，且安裝位置根據被測氣體相對于空氣比重大小決定，因被測氣體比重小于空氣，探測器應安裝在距頂棚30～60cm處。用Φ8膨脹螺絲將探測器固定在墻壁上。<br />　　為了正確使用探測器并防止其故障的發生，請不要安裝在以下位置：<br />　　a、直接受蒸汽、油煙影響的地方<br />　　b、給氣口、換氣扇、房門等風量流動大的地方<br />　　c、水汽、水滴多的地方（相對濕度：大于90%）<br />　　d、溫度在-40℃以下或70℃以上的地方<br />　　第二步是接線：接線要采用高度屏蔽線防止電信號被干擾，將線擺好，打開頂蓋。<br />　　1、氣體探測器一般采用三線制傳輸，將電源正極標有（“VCC”的端子）、信號線（標有“SIG”的端子）、電源負極（標有“GND”的端子）分別對應接入通道模塊標“4-20mAIN”的一組端子的“24V、mA和GND”，機殼地（電纜的屏蔽網）良好接地，接好線后，緊固好機殼。<br />　　2、啟動：接線完畢，給探測器供電。剛啟動后讀數將從超量程到讀數穩定，大約要15分鐘左右。<br />　<strong><br />　氣體檢測儀</strong>維護：<br />　　1、整機檢查：平時應當定期檢查探測器，它在清潔空氣中信號電流為DC4mA<br />　　2、傳感器維護：一般在安裝使用半年到一年要進行重新檢查標定，并由檢測方出檢測報告。<br />　　3、當氣體探測器的傳感器喪失靈敏度時需要更換，通過定期標定就會知道傳感器是否失效，當標定值達不到標氣值，要更換傳感器。<br />　　 </div> <div id="lb7dpjf" class="ny_PrevNext"> <ul> <li>上一篇：<a href="/wote18-Article-497816/">水質分析儀的用用途及其工作原理</a></li> <li>下一篇：<a href="/wote18-Article-509219/">水質分析儀的用途及其工作原理</a></li> </ul> </div> </div> </div> </div>   <div id="zf7xvp5" class="h_foot"> <div 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