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       <h1 class="ny_newsdetail_title">常出现的哈希cod消解液故障及处理的方法</h1>
       <div class="ny_newsdetail_tips">更新时间：2017-09-24&nbsp;&nbsp;|&nbsp;&nbsp;点击率：13641</div>
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          &nbsp;常出现的<strong><a href="http://www.chem17.com/st290838/" target="_blank">哈希cod消解液</a></strong>故障及处理的方法： &nbsp;<div>1.关于采样器的问题 &nbsp;</div><div>&nbsp; &nbsp; 如CODmax报警&ldquo;没有样品&rdquo;。首先检查进样管的堵塞与否，采样器工作正常与否，然后查看采样潜水泵的情况。 &nbsp;</div><div>&nbsp; &nbsp;（1、管路是否漏气；2、活塞泵） &nbsp;</div><div>2.试剂问题 &nbsp;</div><div>&nbsp; &nbsp; CODmax报警没有&ldquo;XX试剂&rdquo;。先进入服务菜单，打开安全面板检查一下相对应试剂瓶就可断定XX试剂用完了，要及时得添加试剂。但如有就需检查试剂瓶是否加的太满，试剂瓶盖有没有拧的太紧，如太紧没有空气试剂也会吸不进去的。 &nbsp;</div><div>3.硫酸阀和重镉酸钾阀的损坏 &nbsp;</div><div>&nbsp; &nbsp; 硫酸阀和重镉酸钾阀的损坏也常有出现，不过硫酸阀的损害zui多。CODmax报警&ldquo;没有硫酸&rdquo;试剂。如排除了试剂瓶内硫酸，管路没堵塞，其它各阀正常，注射器正常。功能测试硫酸仍然吸不上来，就可断定此硫酸阀损坏。也可拆下仔细检查确定。一般都是硫酸阀内的膜片被硫酸长期腐蚀变形。 &nbsp;</div><div>4.注射器的问题 &nbsp;</div><div>&nbsp; &nbsp; CODmax报警没有样品。在排除了采样器正常，各阀体正常，有试剂，管路没有堵塞，但还是吸不上来样品。就可拆下注射器检查。 &nbsp;</div><div>&nbsp; &nbsp; 可用手动测试，一只手堵住注射器下口，另一只手拔动注射器活塞杆，如轻松拔起，就可判断注射器漏气需更换。也可把注射器拆下，吸一些自来水，如水自然向下滴就可断定注射器活塞漏气。 &nbsp;</div><div>5.排液阀的问题 &nbsp;</div><div>&nbsp; &nbsp; CODmax报警没有样品。在断定采样器正常，试剂阀正常、进样阀正常，注射器正常。但仍抽不上液体时可判断排液阀有问题（进样阀一般不会腐蚀）。观察其有无腐蚀的痕迹，有无掉落黑色粉状物，就可断定排液阀的卡钳损坏与否。</div>
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