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電解質(zhì)分析儀的維護和保養

更新時(shí)間:2011-11-18      點(diǎn)擊次數:2105

電解質(zhì)分析儀的維護和保養

  一、安裝環(huán)境

  1、防陽(yáng)光直射,防潮(溫度10-35,相對濕度35-85%).

  2、電壓210-230V,能配用UPS.

  3、確保儀器周?chē)鷽](méi)有離心機等電磁干擾,接地良好,擺放平穩,無(wú)震動(dòng).


  二、保養

  1每日維護

 ?。?)檢查更換1標.

 ?。?)按PRIME鍵看電極腔管及出液口定標液通過(guò)是否正常.

  2、周保養

 ?。?)對Na電極進(jìn)行活化:一般作完去蛋白馬上作活化,吸入活化劑,保留一分鐘沖去(a每周一作完去蛋白后作,bNa的2標值>115時(shí)作,cNa穩定性差時(shí)作).

 ?。?)作去蛋白:溶一支去蛋白酶,一次用完,吸入電極管腔內保留5-8分鐘后沖去.(a每周一早上作,b堵塞電極經(jīng)處理后作,c作的標本量大,定標無(wú)法通過(guò)時(shí)作),一定要保證每次作的質(zhì)量.

      (3)月保養:更新參比電極液,并用KCL晶期飽和,同時(shí)要更新飽和電極芯內的小玻璃管內的電解液.要注意觀(guān)察,月保養不是固定每個(gè)月作,而是看到KCL晶體用完就作,KCL晶體消耗的速度和作的標本量及環(huán)境因素有關(guān),大體是1個(gè)月.注意參比電極芯內絕不能有氣泡.

 ?。?)三月維護,檢查更換泵管,注意兩條泵管要同時(shí)更換,若不到3個(gè)月泵管出現問(wèn)題請隨時(shí)更換.

  保養對分析結果影響很大,一定要做好,同時(shí)要注重周保養,已周保養為中心.

  三、操作

  1、樣品通過(guò)電極是否正常,發(fā)生堵塞及時(shí)沖洗和清理.有連續氣泡要檢察管路的氣密性.

  2、定標:
    (1)儀器被喚起或每作20個(gè)標本要自動(dòng)定標,但一般10各標本以后,測量值開(kāi)始漂移,故每作10個(gè)標本主動(dòng)定一次標.
?。?)2標允許通過(guò)范圍偏大,為保證結果準確,2標能定在靶值正負3%的范圍內.

 
  四、常見(jiàn)故障處理

  1、電極堵塞,除參比電極外,其他電極可以用尼龍絲清理,參比電極由于管腔呈V型,不能用尼龍絲,可用5ml注射器吸取1標反著(zhù)樣品進(jìn)入方向沖,一般就能解決,注意針頭以一定不要碰到電極膜.另外CL電極膜易吸附贓物,要定期清理.

  2、定標1無(wú)法通過(guò)

 ?。?)定標1有數據,但不穩(既在離子符號和結果間出現*號)

  a按PRIME鍵,觀(guān)察定標液進(jìn)入電極管道時(shí)有無(wú)氣泡,入果有檢查"O'型圈,,進(jìn)樣針與電極連結處及泵管是否漏氣.

  b定標1無(wú)數據,先看mv值時(shí)否在35-105,檢查電極插頭,再管路和電極是否有堵塞和漏氣,zui后再看參比電極中有無(wú)KCL,回顧保養情況,看是否需要保養.

  3、定標2無(wú)法通過(guò)

 ?。?)電極符號和數據間出現*號,檢查接地現是否良好.

 ?。?)電極符號后出現四個(gè)叉號,表示2標值出范圍,此時(shí)需作保養后再定2標,若仍不能通過(guò),考慮更換電極.

  4、儀器黑屏無(wú)顯示,檢查電源和保險絲.

  5、死機,需斷電后等15秒后再開(kāi)機,一般能恢復,若提示"自檢出錯",考慮時(shí)電路故障,速與工程師.

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