Description: Determined total head at the inlet area of the pump, which corresponds to the sum of geodetic head, pressure head and velocity head; Name: Total energy level at the inlet cross-section of the pump
Description: head observed at inlet area of the pump, corresponding to the sum of the height, pressure head and velocity head; Name: Total head at inlet area of the pump
Description: Measured pressure at the inlet area of the installation; Name: Inlet pressure of the installation