Principle and use of dual-chamber equilibrium containers
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I have never understood the principle behind using a two-chamber balanced container to measure bubble levels, nor the range setting for the accompanying differential pressure transmitter. Is negative migration needed?
There are schematic diagrams available online; you can take a look. A negative shift is required
I can’t understand it online; please ask professionals for more guidance.
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How to calculate the range of this differential pressure gauge?
Negative migration is required; the range is generally determined based on the distance between the upper and lower pressure-taking ports. The outlet of the pipe in the middle of the balance cylinder is connected to the positive-pressure side, while the outer cylinder is connected to the negative-pressure side