Sensor type to mesure tank gas and level water

TonyWilk:
That's a 200 PSI pressure transducer!

you said: "i want to calcul the tank level gas, and level water"

Do you know what the pressure will be at a depth of 1 meter ?

Yours,
TonyWilk

Yes that's my problem, i try another solution i can't found a way to get the Level of gas on tank.I need to use it for my kerosene tank.any help is precious.