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  1. #14
    Join Date
    May 2014
    Location
    Bay Area California
    Posts
    22,162
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    I really just wanted to type 'vacuum is normal', but it sounds like this guy's heart is in the right place.
    If you were a real tech, you'd solder a relay on that board and call it good to go.

    I do a triple evac with nitro to remove non condensables.

    I use 56% silver on everything except steel.

  2. #15
    Join Date
    Nov 2006
    Location
    Athens, Ohio
    Posts
    6,437
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    X2 for the Bluvac. They're all excellent.
    AOP Rules: Rules For Equipment Owners.

    Free online load calculator: http://www.loadcalc.net/


    There = not here. Their = possessive pronoun. They're = they are
    It's = contraction of it is. Its = the possessive form of it
    Too = also. To = expressing motion. Two = 2
    Then = after that, next. Than = indicates a comparison.
    Questions should end with a question mark "?" Statements end with a period "."

  3. #16
    Join Date
    May 2014
    Location
    Bay Area California
    Posts
    22,162
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    Quote Originally Posted by kdean1 View Post
    X2 for the Bluvac. They're all excellent.
    Micro.
    If you were a real tech, you'd solder a relay on that board and call it good to go.

    I do a triple evac with nitro to remove non condensables.

    I use 56% silver on everything except steel.

  4. #17
    Join Date
    Aug 2002
    Location
    Southold, NY
    Posts
    21,470
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    Quote Originally Posted by sepuku View Post
    now, tell me the model of micron gauge that will work and not stop working after few months (and something that is not $1000).
    That’s like saying I want a vacuum pump for less then $300.

    Do it right. Good tools save time and money!

  5. #18
    Join Date
    May 2019
    Posts
    16
    Post Likes
    Thread Starter
    MICRO BLUVAC MICRON GAUGE - not sold any more, eventually replaced by AccuTools BluVac+ Micro Digital Micron Gauge with Oil Sensor A10730 ?

    I Was looking time ago at YELLOW JACKET 69020 but all the negative comments made me desist from purchase. Plenty of gauges on Amazon but mostly all have comments like "stopped to work after xxx days" etc. Cannot afford $1000 on something really pro.

  6. #19
    Join Date
    Aug 2002
    Location
    Southold, NY
    Posts
    21,470
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    Decent the micron gauges are available for a few hundred.

  7. #20
    Join Date
    May 2019
    Posts
    16
    Post Likes
    Thread Starter
    TPI 605 or CPS VG200 would be in my budget - which one? (none is no valid answer).

  8. #21
    Join Date
    Aug 2002
    Location
    Southold, NY
    Posts
    21,470
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    Quote Originally Posted by sepuku View Post
    TPI 605 or CPS VG200 would be in my budget - which one? (none is no valid answer).
    Better then guessing!

  9. #22
    Join Date
    May 2019
    Posts
    16
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    Thread Starter
    lol

  10. #23
    Join Date
    May 2014
    Location
    Bay Area California
    Posts
    22,162
    Post Likes
    Where do you live?

    https://accutools.com/product/%C2%B5...l-micron-gauge

    Used to be a hundred bucks.

    https://www.trutechtools.com/Accutoo...l-Micron-Gauge

    I guess sellers figured out they could charge more.


    Quote Originally Posted by sepuku View Post
    MICRO BLUVAC MICRON GAUGE - not sold any more, eventually replaced by AccuTools BluVac+ Micro Digital Micron Gauge with Oil Sensor A10730 ?

    I Was looking time ago at YELLOW JACKET 69020 but all the negative comments made me desist from purchase. Plenty of gauges on Amazon but mostly all have comments like "stopped to work after xxx days" etc. Cannot afford $1000 on something really pro.
    If you were a real tech, you'd solder a relay on that board and call it good to go.

    I do a triple evac with nitro to remove non condensables.

    I use 56% silver on everything except steel.

  11. #24
    Join Date
    May 2014
    Location
    Bay Area California
    Posts
    22,162
    Post Likes
    Shop around, several months ago you could get them for $150.


    Quote Originally Posted by BBeerme View Post
    Where do you live?

    https://accutools.com/product/%C2%B5...l-micron-gauge

    Used to be a hundred bucks.

    https://www.trutechtools.com/Accutoo...l-Micron-Gauge

    I guess sellers figured out they could charge more.
    If you were a real tech, you'd solder a relay on that board and call it good to go.

    I do a triple evac with nitro to remove non condensables.

    I use 56% silver on everything except steel.

  12. #25
    Join Date
    Nov 2018
    Posts
    2
    Post Likes
    vacuum is not the proper way to leak test at all. the gasket could have sealed under negative pressure but wouldn't hold up to positive pressure from refrigerant or nitrogen. plus 500psi sets the flare fittings on any connections plus mini splits can run high head pressures more so than conventional split systems.

  13. #26
    Join Date
    May 2014
    Location
    Bay Area California
    Posts
    22,162
    Post Likes
    Say what?

    Holding a vacuum is a supreme way to check for leaks.

    Oh. Looks like you're the new guy here.

    Suck it up, stick through the initial bashing, and you'll come out sparkling on the other side.


    Quote Originally Posted by ecw View Post
    vacuum is not the proper way to leak test at all. the gasket could have sealed under negative pressure but wouldn't hold up to positive pressure from refrigerant or nitrogen. plus 500psi sets the flare fittings on any connections plus mini splits can run high head pressures more so than conventional split systems.
    If you were a real tech, you'd solder a relay on that board and call it good to go.

    I do a triple evac with nitro to remove non condensables.

    I use 56% silver on everything except steel.

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