Description: a measure of how quickly the repetitions follow each other in a periodic process. The frequency is the reciprocal of the period duration; Name: oscillation rate
Description: Measured output frequency of the frequency converter; Name: Frequency
Description: NPSH-value required for a drop of 3 % in the total head of the first stage of the pump as a standard basis for use in performance curves; Name: Net positive suction head required for a drop of 3 %