Eddy Current Drives from DSI Dynamatic directly convert constant speed rotary energy of a standard motor to precisely controlled speed or torque, without significant electrical conversion. No harmonic distortion or audible noise is created, and the equipment operates in normal ambient conditions without the need for auxiliary cooling or special power supply considerations. When applied to centrifugal pumps or blowers, power consumption compares favorably with that of variable frequency drives. Ratings range from fractional to approximately 2,500 hp. Designs include integral motor/drive units, horizontal coupled units and vertical designs with a variety of thrust-handling capacities. Weather-protected designs are available for outdoor applications. They are supplied with the EC-2000 Controller, which enables digital or analog integration with digital process control systems, SCADA systems or PLCs. The flexible keypad enables simple programming of control parameters and digital display of any two of several status parameters. 800/548-2169; www.dynamatic.com.