By at-site services, pump users are given essential information for managing the equipment and making decisions on recommended alterations so that they assure about their equipment operates at peak performance for the given service conditions. Pumps are one of the main energy users in many industrial processes. They also must operate in conditions that are more different than originally designed for which is the cause of many maintenance shutdowns and emergency repairs. Assurance of correct performance: Pump users need to assure that their equipment is in their best operational point