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气体检测仪需要注意哪些问题?

在我们购买到合适的气体检测仪后,因为仪器设备也是机械,仪器设备在使用过程中,我们应该注意气体检测仪?#21738;?#20123;问题?

1 经常性的测量与检测

     气体检测仪都是用相对比?#31995;?#26041;法进行测定的?#21512;?#29992;一个零气体和一个标准浓度的气体对仪器进行标定,得到标准曲线储存于仪器之中,计算得到准确的气体浓度值。因此,随时对仪器进行校零,经常性对仪器进行校准都是保证仪器测量准确的必不可少的工作。需要?#24471;?#30340;是:目前很多气体检测仪都是可以更换检测传感器的,但这并不意味着一个检测仪可以随时配用不同的检测仪探头进行检测。

2 注意各种不同传感器间的检测干扰

        每种传感器都对应一个特定的检测气体,但任?#25105;?#31181;气体检测仪也不可能是绝对特效的。因此,在选择一种气体传感器时,应该尽可能了解其它气体对该传感器的检测干扰,以保证它对特定气体的准确检测。

3.注意检测仪器的浓度测量范围

 

       各类气体检测器都有其检测范围,不同的型号有不同的范围值。只有在其测定范围内完成测量,才能保证仪器准确地进行。如长时间超出测定范围进行测量,可能会对传感器造成永久性的破坏。总之,气体检测仪是保证工业安全和工作人?#33519;?#24247;的有力工具。

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