Description: number of transitions from state off to state on; Name: On/Off Cycle
Description: total number of transitions of the value from th off to the on state; Name: on off cycle
Description: net positive suction head (NPSH) from flow rate at best efficiency point for actual impeller (indication of the minimum inlet pressure in meters required for the pump to deliver according to the QH curve. related to the optimum duty point at the current impeller diameter); Name: net positive suction head for Q opt at actual impeller size