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Thread: Longevity hoods for low amp tig

  1. #1

    Longevity hoods for low amp tig

    Will all of the lineup of auto dark hoods work with low amp tig welding? I have seen indications that unless there is adjustable sensitivity many auto darkening hoods won't go dark with the minimal light output welding thin gauge material.
    Started welding 1991
    Equipment owned: Millermatic Vintage, vertical mill, lathe, drill presses, lots of handheld tools power and otherwise. Pretty complete woodworking shop.

    LONGEVITY try before you buy units:
    TigWeld 200DX
    Arcmate 160D
    StickWeld 140
    Forcecut 40D

  2. #2
    I can't say they all work with low amps but my model does, it's the midrange model stars and stripes.
    Units owned Longevity PROmts 200

    Force Cut LP80 plasma cutter
    Longevity auto dark welding helmet

    Atlas 10x36" lathe
    Craftsman 5HP 30 Gal compressor
    Home made CNC router/plasma/hot wire foam cutting, 3D printing table powered by Longevity Force Cut LP80
    Home built aluminum foundry, HF 4x6 bandsaw

  3. #3
    Moderator KHK's Avatar
    Join Date
    Oct 2008
    Location
    Chicago suburbs
    Posts
    2,702
    I have two hoods, both are mid price range, and they work very well for low amps TIG welding.
    keith
    The older the Boys, the more expensive the TOYS
    Previously Owned equipment;
    lot's
    Current equipment;
    3HP Speedair air compressor, Wilton drill press, Craftsman 10x36 lathe, 10 ton hydrolic press, Portaband band saw, OA torch, Small home brew CNC machine, powered by my 200PI
    2 Longevity autodarking helmets
    160d MIG
    WeldAll 200PI

  4. #4
    Senior Member tigqk's Avatar
    Join Date
    Dec 2009
    Location
    Boyle alberta
    Posts
    383
    They should be fine, what you do have to think about before buying a helmet, is whether you grind with your helmet down or wear safety glasses and just flip the hood up to grind.
    1 Longevity LS 200PI & Stand
    Thermal Arc 190 Mig w Chasiss
    3 Victor Pro O/A Torches, Journeyman Torches
    Blue Point Stud Welder
    12" x 6 Power Hacksaw
    6x1/2,8x3/4, Bench Grinders on Stands
    1" Belt Grinder on Stand
    13 Grinders Makita & Bluepoint
    Snap On Tools & 65 Anniversary Box

  5. #5
    Right tigqk I cannot even grind an electrode with mine without it going dark.
    Units owned Longevity PROmts 200

    Force Cut LP80 plasma cutter
    Longevity auto dark welding helmet

    Atlas 10x36" lathe
    Craftsman 5HP 30 Gal compressor
    Home made CNC router/plasma/hot wire foam cutting, 3D printing table powered by Longevity Force Cut LP80
    Home built aluminum foundry, HF 4x6 bandsaw

  6. #6
    the real deal with low amp tig and auto hoods is the places that the sensors are at.... i use miller's elite digital hoods simply because they employ 4 arc sensors instead of the common 2... most all hoods will sense low amp tig, none will sense it when you are out of position and have them covered up.... just sayin....
    Torchmate 5 x 10 custom built CNC table
    6 (each) Thermadyne 252i mig/ stick/ tig
    Thermal Dynamics a-60 automated cutter
    Thermal cutmaster 52 handheld cutter
    '07 pro300 miller
    '08 275 trailblazer miller
    '99 250 trailblazer
    12vs extreme suitcase feeder
    2 (each) xr-a 50 foot push-pull feeders (for aluminum mig)
    800 ton break
    400 ton shear
    MM350p
    xmt 304
    (do i REALLY need to keep going?)

    nothing fancy, just a few hot glue guns for metal

    www.sicfabrications.com

  7. #7
    Yes, the helmet will work with this also
    Sincerely,

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  8. #8
    The web site indicates there are two settings for sensitivity?
    Started welding 1991
    Equipment owned: Millermatic Vintage, vertical mill, lathe, drill presses, lots of handheld tools power and otherwise. Pretty complete woodworking shop.

    LONGEVITY try before you buy units:
    TigWeld 200DX
    Arcmate 160D
    StickWeld 140
    Forcecut 40D

  9. #9
    I posted a video of my helmet in action a long time ago Jon. You can find it here http://www.longevity-inc.com/forum/n...met-video.html

    If you pause it when the video goes to the internal controls you can see the two adjustments and what they do.
    Units owned Longevity PROmts 200

    Force Cut LP80 plasma cutter
    Longevity auto dark welding helmet

    Atlas 10x36" lathe
    Craftsman 5HP 30 Gal compressor
    Home made CNC router/plasma/hot wire foam cutting, 3D printing table powered by Longevity Force Cut LP80
    Home built aluminum foundry, HF 4x6 bandsaw

  10. #10
    +1 with what sic said a 4 sensor hood for low amp tig is where its at ...the 2 sensor hoods are junk in my book unless you are doing in position mig stick welding

    My personal choice for a auto dark hood would be a jackson nexgen 4 sensor
    Last edited by WookieWelding; 09-07-2011 at 08:49 PM.
    Ahp 200x tig acdc
    forcecut 42i
    Miller xmt350
    Lincoln LN-25
    Victor oxy/acetylene/
    Bunch of tools of the trade to much to list
    http://instagram.com/weldor_wes/

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