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I want to know the exactly volume of a liquid in a tank that is not sealed, so what I do is measure the liquid level using a pressure sensor and with an algorithm determine the volume. I use a differential pressure sensor from Motorola (with an amplifier), I connect positive port to the top of a pipe and seal between pipe and port sensor to avoid a leak of air, the other port is to pressure atmosphere. Then I introduce the bottom side of the pipe in the tank and it gives me the right data corresponding to the level.
The problem is when tank start to move and create waves inside, the liquid start to move too much and the problem is that the air inside the pipe leaves in form of bubble, the liquid enters the pipe and my system stop to be calibrated. :S So I don’t know what to do to solve my problem any other method using the same sensor?
Please help me!
The problem is when tank start to move and create waves inside, the liquid start to move too much and the problem is that the air inside the pipe leaves in form of bubble, the liquid enters the pipe and my system stop to be calibrated. :S So I don’t know what to do to solve my problem any other method using the same sensor?
Please help me!