- 190-0500-15 Turns-Counting Dial Knob for AMCOM Helium Speech Unscramblers

Features:

• No backlash
• Compact - requires minimal panel space (22.2 mm diameter requirement)
• For use with precision potentiometers or other rotating devices, up to 15 turns
• Designed for metal shaft
• High Force “Click Brake”
• Black on polished chrome background
• RoHS compliant*

Specifications:

Mechanical and Physical Characteristics

• Number of Turns: 0 to 15
• Dial Divisions: 50 per turn
• Readability - Over 10 Turns: 2 parts in 1000
• Torque With Brake Engaged: 6.95 oz-in. (500 g-cm) minimum
• Markings: Black on polished chrome background
• Locking Brake: Yes
• Weight: 15 grams (0.53 oz.)
• Set Screw: UNC N2-56, 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

• Diameter Requirements: Refer to chart below
• Shaft Extension Beyond Panel:
  • 18.1 mm (0.712 in.) minimum
  • 22.2 mm (0.875 in.) maximum
• Bushing Extension Beyond Panel: 9.53 mm (0.375 in.) maximum