how to tell when the bottle is empty?
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how to tell when the bottle is empty? it will still build pressure even when theres nothing in the damn thing. i thought i had some left and i had my heater on-psi got to a hair over 1k so i purged it and walla. just air. i completely empty the bottle when i fill it so what gives?
The only true way to tell is to weigh it. I am suprised you got it up to 1000 psi thou if it was that empty. Dave sells a controller that measures the amount left based on flow rate. I think that is still dependant on the quality of the fill.
Yea pressure based transducers will keep heating till empty, and no way to tell where your at pressure wise with out weighing. Yes, some controllers out ther with the feature to let ya know where your at. A temp based transducer that heats to a temp will let you know when your getting low. At 85° a bottle that won't heat past about 900psi means there is 2 to 3 pounds left and time for a refill.
Robert
Robert
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damn what a pita. ive only had this on the car for 4 months and i find something new weekly that i dont like an n20. 
ill have to start keeping better track of how many times i use it to give myself a ruff idea between fills as obviously i cant just go off the psi on the gauge. damn newbies 
ill have to start keeping better track of how many times i use it to give myself a ruff idea between fills as obviously i cant just go off the psi on the gauge. damn newbies damn what a pita. ive only had this on the car for 4 months and i find something new weekly that i dont like an n20. ill have to start keeping better track of how many times i use it to give myself a ruff idea between fills as obviously i cant just go off the psi on the gauge. damn newbies
ill have to start keeping better track of how many times i use it to give myself a ruff idea between fills as obviously i cant just go off the psi on the gauge. damn newbies 
Staging Lane
Joined: Nov 2006
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From: Central Jersey
This is exactly why I havent gone Nitrous in the past. BUT there is a fix for it. Get the NANO system. There is no heater. It uses compressed air or Nitrogen to push 100% of the nitrous out. This way there is no fluxuation in the end usage due to low pressure and you know exactly how many runs you can get out of it. My NANO is going on at Cartek right now.
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The "air" you are seeing is gaseous nitrous....as you use the liquid some must be converted to a gas to increase the pressure.
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