//Example 3-5 Measuring Pressure with Manometer
SG = 0.85 //specific gravity of manometric fluid
h = 55 //manometer column height [cm]
P_atm = 96 //Local atmospheric pressure [kPa]
g = 9.81 //gravitational acceleration [m^2/s]
rho_water = 1000 //density of water [kg/m^3]