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| Features Applications Large package size For use with precision potentiometers up to 20 turns Excellent readability Precision feel - no backlash Cast housing Power supplies Sensors Medical Automation Test equipment H-46 Turns-Counting Dial Mechanical and Physical Characteristics Number of Turns ..................................................................................................................................................................................0 to 20 Dial Divisions ...............................................................................................................................................................................100 per turn Readability - Over 10 Turns .........................................................................................................................................Within 1/100 of a turn Torque With Brake Engaged...................................................................................................................21.18 N-cm (30.0 oz.-in.) maximum Markings ..........................................................................................................................................................Black on chrome background Locking Brake............................................................................................................................................................................................Yes Weight.................................................................................................................................................................................73 grams (2.5 oz.) Set Screw ..............................................................................................................................................................UNC N4-44, one included Set Screw Tightening Torque ...................................................................................................................16.94 N-cm (1.5 lbs.-in.) minimum Hex Key Size ................................................................................................................................................................................0.05 in. hex Shaft and Bushing Requirements Shaft Diameter Requirements ........................................................................................................................................Refer to chart below Shaft Extension Beyond Panel .........................................................................................................................17.5 mm (0.689 in.) minimum 23.5 mm (0.925 in.) maximum Bushing Extension Beyond Panel .....................................................................................................................4.5 mm (0.177 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 counterclockwise 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. 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 counterclockwise 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 Drawing 24.0 (.944) 12.50 (.492) 10.31 DIA. (.405) 14.30 (.562) 3.17 (.124) DIA. 14.30 (.562) 46.0 (1.811) DIMENSIONS: MM (IN.) PANEL LAYOUT How to Order Part Number H-46-6A Accepts Shaft Diameter 6.35 mm (.250) 6 mm (.236) Finish Satin Chrome Satin Chrome REV. 04/03 Specifications are subject to change without notice. H-46-6M |
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