Manometer-RVFM-PH10630-P-A-laboratory-manometer-for-measuring-gas-pressure-P-P-The-u-tube-is-filled-with-liquid-such-that-the-ends-of-the-column-of-liquid-are-adjacent-to-the-zero-marking-on-both-sides-Pressure-from-either-inlet-produces-a-movement-of-the-liquid-which-can-be-measured-on-the-scale-P-Manometer