I bought an argon flowmeter, but I'm using nitrogen. I know there's a density difference in the gases, and saw people saying I'd need to set it higher to get the proper l/min with nitrogen. Shouldn't I need to set the argon meter lower since nitrogen is less dense and will interact less with the ball? It's a matter of ~21 l/min or 13 l/min on the argon. I just don't want to set it too high and waste all of my nitrogen brain damaging me.
limeoctave
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- Mar 24, 2024
- 227
Thank you.
I'm looking for the same answer so I ran a test nusing half a tank of Nitrogen which initially contained 2 litres of gas at 200 bar
Given that the tank had initially contained 400 Liters of Nitrogen gas and was now at a reading of 100 Bar i am assuming that I had 200 Liters of gas remaining.
After setting the regulator to 10 LPM it took 6 mins for the regulator to reach the tank 50 Bar mark at which point the flow meter had gone from 10 LPM to 11 LMP so i readjusted the flow meter to give a reading of 10 LPM and the gas flowed for another 6 mins before the flow rate began to slow down.
This would mean that using a 10 LPM / 11 LPM reading. That 200 Liters of Nitrogen took 12 minutes to deplete.
This would mean that the true flow rate was actually 16 LPM and not 10 LPM.
Given that the tank had initially contained 400 Liters of Nitrogen gas and was now at a reading of 100 Bar i am assuming that I had 200 Liters of gas remaining.
After setting the regulator to 10 LPM it took 6 mins for the regulator to reach the tank 50 Bar mark at which point the flow meter had gone from 10 LPM to 11 LMP so i readjusted the flow meter to give a reading of 10 LPM and the gas flowed for another 6 mins before the flow rate began to slow down.
This would mean that using a 10 LPM / 11 LPM reading. That 200 Liters of Nitrogen took 12 minutes to deplete.
This would mean that the true flow rate was actually 16 LPM and not 10 LPM.
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