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  1. #1
    Join Date
    Jun 2012
    Location
    Great lakes
    Posts
    41

    Micron gage not holding

    I just noticed today I tested my micron gage with brand new hoses, valved off the gage after 500 and the dam thing didnt hold, would you say I have a leak in my gage? It's a supco.

  2. #2
    Join Date
    Jan 2010
    Location
    new orleans
    Posts
    230
    What type hoses are you using ? What did you test your gauge on ? I would lean more towards you evacuation set up leaking rather then the gauge. Then again it is a supco what vg64?

  3. #3
    Join Date
    Jan 2005
    Location
    Akron
    Posts
    1,064
    All hoses leak, ball valves leak, and the small volume of a hose is very hard to evaluate for tightness.

    Start here,

    http://www.trutechtools.com/Vacuum-Training_c_1100.html

    JLB,

  4. #4
    Join Date
    May 2007
    Location
    Central NJ Area
    Posts
    788
    If your testing the micron gauge with a small volume area like manifold hoses it will always rise. I got this info from JB after trying to test a micron gauge directly on the vacuum pump and using the blank off valve to isolate the micron.

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