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氣體檢測儀的使用之注意要點有哪些

2018-11-15 15:29:58

      我們整天跟氣體打交道的朋友們,不但要了解我們所接觸的每種氣體的特性,另外還需要了解相應氣體檢測儀器的特性。
       例如我們最常見的氣體傳感器的濃度監測范圍、分辨率、允許濃度以及最高能夠承受的濃度大小等這些所有的細節都必須要了解清楚。
        一氧化碳的檢測范圍一般為0-500,分辨率是125,而其最高能夠承受的濃度為1500;
         硫化氫的檢測范圍一般為0-100,分辨率是110,而其最高能夠承受的濃度為500;
         二氧化硫的檢測范圍一般為0-200,分辨率是125,而其最高能夠承受的濃度為150;
         一氧化氮的檢測范圍一般為0-250,分辨率是125,而其最高能夠承受的濃度為1000;
         氨氣的檢測范圍一般為0-50,分辨率是125,而其最高能夠承受的濃度為200;
         氰化氫的檢測范圍一般為0-100,分辨率是110,,而其最高能夠承受的濃度為100;
         氯氣的檢測范圍一般為0-100,分辨率是100,而其最高能夠承受的濃度為500。
        另外我們所需要注意的點有:
        一、經常校準和檢測儀器(前面已經談過校準方法了——氣體檢測儀的校準方法,這里就不再贅述了);
        二、注意各種不同的傳感器之間的檢測干擾:因為多臺儀器之間如果同時工作的話,而每一種氣體傳感器都是有一種特定的氣體才能有效的,但也不能說是絕對,因此,幾臺不同氣體檢測儀同時工作的話多少都會有些干擾,為了保證測量結果的準確性,我們應該盡量避免干擾的情況發生;
       三、各類傳感器的壽命都是有限的,這里我們之前也說過了,應該注意各種氣體傳感器的使用壽命并及時更換以保證測量結果的準確性;
       四、注意檢測儀的可測量濃度范圍:上面提到過各種氣體檢測儀可以測量的濃度范圍,請盡量在這個所謂的范圍之類測量,只有這樣,儀器才會測量地比較準確,相煩,如果長時間超過可測量范圍地讓氣體檢測儀超負荷工作,必然會縮短檢測儀的壽命的。

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