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  1. asaxplayer

    Laminar Air Flow/ HEPA filter Alarming

    I think a pressure switch might be better, which can be connected to a LED on the surface of the unit to show that the filter needs to be replaced. (Instead of maintenance having to read the gage, figuring out whether the reading is critical, a RED LED would probably be easier to figure...
  2. asaxplayer

    Do You Use What You Learned in School for Your Job?

    what I learned in college that I apply to my work: 1) how to use excel to make nice looking graphs from really bad work 2) how to type reports 3) the importance of CYA 4) how to pull stuff out of my @$$ when needed (homework, reports, exams, etc.) 5) how to measure stuff 6) how to sketch...
  3. asaxplayer

    Fume Hood Testing

    try looking up testing services on sites such as thomasnet.com
  4. asaxplayer

    effect of scroll on centrifugal fan performance

    From what I have read, FC fans require the use of a scroll for it to have no significant loss in performance, whereas a RI fan can be used w/o a scroll (plenum/plug fans). Why is this so? One of the fan wheel manufactures inform me that in absence of a scroll FC fans perform at half it's...
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