Question

Unit of Pressure Gauge
What is the unit of Pressure Gauge?

Answer 1

PSI (pounds per square inch): This is the unit of measure for one pound of force applied to one square inch of area. 

Answer 2

Answer:

The excess of pressure, $P-P_{a}$ at depth $h$ is defined as gauge pressure

Explanation:

the unit of gauge pressure is same as pressure that is pascal