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Specifications:ROMTEK DC Speed Control System is built around a permanent magnet DC Motor and an optical pick-up and a slotted disk to measure the speed of the motor for feed back control. A 4 digit display driven from a Frequency Counter controlled by Crystal Oscillator gives the RPM of the motor. A frequency to volt converter circuit generates the feed back signal. Variable loading of the motor is by using electrical means instead of friction brake.
Motor : 0-3000 RPM, 5 Watt, approx.
Pick-up : Optical type with slotted disk.
Speed Display : 0-9999 RPM.
Braking : Electrical braking for smooth working.
DVM : 3½ digit given on the equipment.
Feed Back : Electronic.
Operating Power : 230 V AC.