The Speed Controller, expands the flow range capability of the PULSAR, PULSAR HypoPump, Shadow, Shadow HypoPump, Series M, OMNI, PULSA 7120, 7440, 7660, and 8480 Series pumps. The MPC, DLCM - Digital Logic Controller with Motor Speed Control, and PULSAmatic are speed based control system for automatic control with an analog input signal, manual control, and remote capabilities.