You searched for: “siphon rain gauge
siphon rain gauge, siphon gauge, manometer
1. A glass siphon tube, partly filled with mercury which is used to indicate pressure, as of steam, or the degree of rarefaction produced in the receiver of an air pump or other vacuum.
2. A double-leg liquid-column gauge used to measure the difference between two fluid pressures.
This entry is located in the following unit: siphon-, siphono- + (page 1)