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       <h1 class="ny_newsdetail_title">氨氮在线分析仪的五种故障有必要总结下</h1>
       <div class="ny_newsdetail_tips">更新时间：2019-05-24&nbsp;&nbsp;|&nbsp;&nbsp;点击率：12606</div>
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          &nbsp;&nbsp; 　 氨氮在线分析仪的五种故障有必要总结下<div>　　<a href="http://www.chem17.com/st290838/" target="_blank"><strong>氨氮在线分析仪</strong></a>典型应用：</div><div>　　用于饮用水、地表水的氨氮浓度在线监测。</div><div>　　氨氮在线分析仪的特点：</div><div>　　双光束、双滤光片光度计测量水中NH4+离子浓度。通过参比光束的测量，氨氮在线监测仪消除了样品中浊度、电源的波动等因素对测量结果的干扰。</div><div>　　测量值可以用图形或数字方式显示。</div><div>　　氨氮在线监测仪具有自动校准和自动清洗等功能。</div><div>　　内置冰箱,保证试剂的储存温度</div><div>　　使用FILTRAX采样预处理系统进行样品预处理。</div><div>　　数据存储功能，图形显示功能</div><div>　　氨氮在线分析仪的常见故障处理</div><div>　　1.氨氮在线分析仪测量仪表显示测值为满量程</div><div>　　由于水样水压不足,致使测量后的废液无法排出,当加入硫酸后,废液产生结晶,堵塞测量光路,使测量结果为满量程。加入10%NaOH清洗,如清洗不干净,请先把测量液体排放干净后,把测量两端的发射,接两端卸下清洗,细心清洗发射、接收两端的玻璃透光片,注意不能用硬物刮透光片,防止刮花透光片。用洗耳球吸取清洁剂,冲洗污物,再用镜片纸擦干透光片(注意:发射、接收两端的透光玻璃应干燥,否则,影响测量结果),把测量室发射、接收组件重装,须注意测量室发射、接收组件的橡胶密封圈应装好,以防漏水。(当停电一段时间后,也会出现上述结晶的情况)</div><div>　　2.<strong>氨氮在线分析仪</strong>测量值为零</div><div>　　A.检查是否进,如无进入,应检查管是否堵塞,进口量清洁;</div><div>　　B.水样浊度较大。一般水样浊度大于50TNU时,仪表不能够正常运行,测值会为零。可以增大过滤密度解决;</div><div>　　C.发射管或接收管不正常,造成测量值为零,发射管或接收管检查可通过密码菜单中的调零测试项&ldquo;DOZEROTEST&rdquo;按1来查看,或在测量水样过程中,200s时,调零时其增益是否在600～1000之间,如是为正常(注意;如果水样浊度较大时,增益值会下降较多),如为零,则卸下发射头,看其发出的红光(650nm)是否有,是否正常,如正常,则更换接收组件,否则,更换发射组件;D.由于pH值为12的缓冲液失效,造成无显色,结果测量值为零,更换pH值为12的缓冲液。</div><div>　　3.氨氮在线分析仪测量值不稳定</div><div>　　A.由于电源电压不稳定造成;B.由于P5/P5泵管有漏造成,按E键退出,重新进行测量。</div><div>　　4.氨氮在线分析仪测量值偏低</div><div>　　测量室的温度(正常温度为45℃)太低,造成显色过慢,显色不够时间,测量值偏低。可把温度计放入充有一半去离子水的测量室中,调节C3板的P2可调电阻,顺时针为温度增加,逆时针转动为温度减少。</div><div>　　5.氨氮在线分析仪测量值偏高</div><div>　　以上便是今天关于氨氮在线分析仪的五种故障有必要总结下的全部分享了，希望对大家今后使用本设备能有帮助。</div><div>&nbsp;</div>
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