The 21A21B10 is a 46.02mm 15-turn Dial made of black chrome finish with white markings. It has 6.35mm shaft diameter and it is suitable for use with precision potentiometers or other rotating devices. The number in window (0 thru 14) indicates completed number of turns of the drive sleeve. The graduated circular dial indicates the percent of the partial turn of the drive sleeve. The number in centre of window shall change as graduated dial rotates between 94 and 0. The readout shall increase with clockwise and decrease with counter clockwise rotation. The accuracy is zero backlash between graduated dial and the drive sleeve.
