Model H-506  
22MM DIAMETER / 0-15 TURNS
Model H-506
Turns-Counting Dials Indicator
Mechanical and Physical Characteristics
Number of Turns.........................................................................................0 to 15
Dial Devisions....................................................................................50 per turn
Readability - Over 10 Turns..............................................................................2 parts in 1000
Torque With Brake Engaged.........................................................7.0 oz-in. (5.0 Ncm) minimum
Weight........................................................................................7 grams
Markings............................................................White on black background
Set Screws.......................................................................2 screws 120o apart
Shaft and Bushing Requirements
Shaft Extensions Beyond Panel.................................................0.6890 in. (17.5mm) minimum
0.8858 in. (22.5mm) maximum
Bushing Extension Beyond Panel.................................................0.3937 in. (10mm) maximum
FEATURES
  • For use with precision potentiometers or other rotating devices up to 15 turns
  • Excellent legibility - white marking on black background
  • High quality, rugged construction
  • Two set screws
  • No backlash
  • High force, positive brake
  • Compact - requires only .9” (22.86mm) diameter panel space
  • Standard models to fit 1/4” and 6mm diameter shafts
H-506 MOUNTING INSTRUCTIONS
  1. Drill .0787 (2.0) diameter anti-rotation pin hole on vertical centerline, .375 (9.5mm) below center of potentiometer mounting hole.
  2. Mount potentiometer in panel with nut and lockwasher supplied with the potentiometer.
  3. Turn potentiometer shaft counterclockwise to obtain minimum resistance or voltage ratio. This is not necessarily identical with 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
 

Shaft Diameter
 
Part NumberAccepts Shaft Diameter
H-506-1/41/4"(6.35mm)
 
(C) 2001 Radytronic Electronic Technology Co., Ltd.