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Thread: How to check CO2 tank pressure gauge?

  1. #1
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    How to check CO2 tank pressure gauge?

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    Hi all, I have a 3.5l CO2 tank with pressure gauge from NA. There is 2 gauges, one for tank pressure and other for output pressure if I'm not wrong. So, is the left one the tank pressure and if it points to zero will mean need to top up? Sorry, never top up before yet and being using for about 8 months now with 3 bps... wonder how much left...

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    If I remember correctly, it should be the left side one which will show the larger pressure. And yes, once the left reaches zero, you can bring in for your one-to-one exchange.
    ~ Vincent ~ Fishes calm your mind...
    http://www.flickr.com/photos/valice/





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    if the cylinder pressure drops to zero, the output pressure gauge will follow and drop to zero very soon.
    thomas liew

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    I don't think it will hit 0 before you would notice it.
    At around 300 PSI, the bubbling is already significantly low.
    - eric

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