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 Post subject: Co2 regs - gauge in lpm not psi?
PostPosted: Tue Jan 06, 2015 6:05 pm 
Copepod
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Joined: Thu Jul 26, 2007 8:41 pm
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Location: Christchurch
Hi guys
Wondering if someone can answer my question on my co2 reg. I have a dual gauge co2 reg and the high pressure side is in kPA (x100) and the low pressure gauge is in lpm. All the other gauges I have seen for calcium regs are in psi. Can I use this gauge on my calcium reactor and does anyone know what the appropriate numbers to dial it up to would be?

Thanks heaps


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 Post subject: Re: Co2 regs - gauge in lpm not psi?
PostPosted: Wed Jan 07, 2015 9:19 am 
Copepod
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Location: Wellington
http://www.kobold.com/conversiontools.htm

try that


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 Post subject: Re: Co2 regs - gauge in lpm not psi?
PostPosted: Wed Jan 07, 2015 11:07 am 
Copepod
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cheers aero, in the end I found out that psi and lpm can't be converted, they are measuring two different things (pressure vs flow), although interestingly what I read suggested that the lpm gauges really are a measure of pressure.

In case its of any help to anyone else in the future, what I did was hook this reg up to my co2 bottle. I then ran an airline from the output of this reg to another reg I have which displays psi. From that I was able to work out that 8lpm was roughly equivalent to 4psi. A bit of tweaking and I was able to tune the reg in as needed :)


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 Post subject: Re: Co2 regs - gauge in lpm not psi?
PostPosted: Wed Jan 07, 2015 2:01 pm 
Flagellate
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The old dialling in a Calcium Reactor fiasco! Glad you got it sorted


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 Post subject: Re: Co2 regs - gauge in lpm not psi?
PostPosted: Thu Jan 08, 2015 9:01 pm 
Flagellate
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psi and kpa are directly convertable. 100 kpa is 14.5 psi


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 Post subject: Re: Co2 regs - gauge in lpm not psi?
PostPosted: Thu Jan 08, 2015 9:48 pm 
Pteropod
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Doesn't help thou because thats on the pressure side of the regulator and it's the low pressure side we are interested in



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 Post subject: Re: Co2 regs - gauge in lpm not psi?
PostPosted: Fri Jan 09, 2015 10:56 am 
Copepod
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yeah I've worked it out with the low pressure side of the reg, connected up to the low pressure side of the other reg. All sorted now :)


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