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Document overview
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Technical content
Features
■ Large package size ■ For use with precision potentiometers up to 20 turns ■ Excellent readability ■ Precision feel - no backlash ■ Cast housing ■ RoHS compliant*
Applications
■ Power supplies ■ Sensors ■ Medical ■ Automation ■ Test equipment H-46 Turns-Counting Dial *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifi cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specifi c applications. REV. 01/14 *RoHS COMPLIANT Mechanical and Physical Characteristics Shaft and Bushing Requirements 23.5 mm (0.925 in.) maximum H-46 MOUNTING INSTRUCTIONS Using the existing Antirotation Lug 1. Drill 3.2 mm (0.125) diameter antirotation pin hole on vertical centerline 14.3 mm (0.562) below center of potentiometer mounting hole. 2. Mount potentiometer shaft counterclock- wise to obtain minimum resistance or voltage ratio. This is not necessarily identical with the mechanical stop. 3. Loosen set screws in knob of dial. Set dial to “0.0” reading. 4. While holding outer ring of dial, position unit lightly against panel. Tighten knob set screws to potentiometer shaft. How To Order Part Accepts Shaft Number Diameter Finish H-46-6A 6.35 mm (.250) Satin Chrome H-46-6M 6 mm (.236) Satin Chrome Using the Antirotation Device 1. Remove antirotation lug from dial by using pliers. 2. Mount potentiometer in panel with antirotation device nut (supplied with dial) and lockwasher (supplied with potentiometer). 3. Turn potentiometer shaft counter- clockwise to obtain minimum resistance or voltage ratio. This is not necessarily identical with the mechanical stop. 4. Loosen set screws in knob of dial. Set dial to “0.0” reading. 5. While holding outer ring of dial, position unit lightly against panel. Tighten knob set screws to potentiometer shaft. Dimensional Drawings DIMENSIONS: MM (INCHES) 24.0 (.944) 12.50 (.492) 46.0 (1.811) 10.31 (.405) 14.30 (.562) 3.17 (.124) PANEL LAYOUT DIA. DIA.