Originally Posted By BZH


A pressure gauge won't tell you how much fuel is in a liquid fuel canister. The pressure inside the canister is the saturation pressure of the liquid for the temperature the liquid is at. That is pretty technical, but what it means is that a pressure gauge will just tell you the temperature of the fuel inside the tank.

You need to weigh the tank to know how much fuel is left. I think there are some lightweight postal scales that would meet your requirements.

something like this: http://shop.miniscience.com/navigation/detail.asp?id=PSS_US1


Makes Sense.

If one of these comes in under 3 ounces might have to check one out!

Does anyone know off hand how many grams a tall fuel canister weighs full? So I know which scale I would need?


Edited by Samoset (11/20/12 08:34 PM)
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