There truly are incredibly easy ways that you can use in order to measure flow without even needing to purchase a flow meter, in fact you can calculate flow rate by dividing the amount of nitrogen by using a nitrogen flow meter; this is an incredibly important matter to understand, because this will make flow metering a much easier process overall.
Methods Using the Nitrogen Flow Meter
However, it should be known as well that it is not easy to determine flow simply from the size of tubing and apparatus; the best way to determine flow is by measuring the flow, and one way is to take a container of known volume, fill it with water, and then put it inverted into a shallow pan of water.
Then you run the hose under the water, and under the lip of the container, and then once you turn on the nitrogen - using the nitrogen flow meter of course - the water will then be displaced and the water level will thus go down. You can calculate flow rate by then dividing the amount of nitrogen used by the filling time.
Another good method that you can use in regards to the nitrogen flow meter is to blow up a balloon with the nitrogen, and you can then calculate the amount of gas using that of standard geometrical equations for volume, depending of course on whether it is a spherical or cylindrical balloon.
It is incredibly important to fully understand the factors and matters involved with the nitrogen flow meter, especially if you work in an area in regards to this particular forum, and you should know that there are many different resources that are available that can help you to gain this essential knowledge.
Resources
The Internet is without a doubt the best resource that you can use, because the speed and efficiency of it will allow you to gain all of the required information without having to spend a lot of time and effort doing it. The Internet is obviously one of the handiest tools that we have in the world today, and so you should take full advantage of its reliability and resourcefulness, and use it to learn what you need about this matter. Just remember that there are also other resources available as well, if need be.
More information on this topic can be found in a number of different locations:
1) The Internet - A favorite search engine can be a very helpful tool
2) A Bookstore - Don't forget books; and bookstores are full of them
3) A Library - Yet another location for books; and the nice thing about the library is that they are free
For more information on nitrogen flow meters visit http://www.FlowMeterBasics.com/ or http://FlowMeterBasics.blogspot.com/
