| GENERAL CHARACTERISTICS ITEM DESCRIPTION | TACHOMETER OPERATES BY DETECTING REFLECTED LIGHT RATHER THAN A METALLIC OR MAGNETIC TARGET;OPERATING DISTANCE 0.25 TO 18.0;SPEED RANGE 0.02 PPS TO ABOVE 6,000 PPS;CONTAINS AMPLIFIERS AND OUTPUT CIRCUITRY,BATTERY CHARGER,LIGHT SENSOR,LIGHT SOURCE,POWER SUPPLY; 2.625 IN. W;7,000 IN. D;4.125 IN H |