Dorsey 16VS Vertical Beam Optical Comparator

With it’s dynamic head optical system this is the first of its kind manufactured in the USA. This new system allows a much greater stage capacity of up to 250 pounds, with optional measurement range up to 16" x 8", making it the largest capacity benchtop measuring instrument in the world.
Manufacturer: Dorsey Metrology
  • 16" (400mm) Diameter vertical screen for optimum viewing
  • High resolution ground glass screen with calibration reticle, 90° cross lines and chart clips
  • Output for electronic rotary screen protractor with selectable 1 minute or 1/100 of a degree resolution
  • Machined chart ring with vernier protractor
  • High specification table (Part# 8x4MN-1)
    • 125 lbs. Standard stage capacity
    • 15" x 10.5" Overall size
    • 7" x 4.5" Glass insert
    • 8" x 4" Travel
    • 4" Focus from dynamic optical head
    • Crossed roller bearings on all measuring axes
  • Quartz halogen light source. Fan cooled and electronically dimmed for long lamp life
  • Dynamic optical head to maintain constant mass accuracy
  • Built in rotary lens & condenser turrets
  • Diascopic surface illumination is standard
  • Optional coaxial surface illumination
  • Multiple stage options with up to 16"x8" of travel
  • Welded plate steel case fabrication
  • Lens choices of 5X through 100X
  • Choice of readout or full CNC computerized systems available
  • Internal or external edge detection available
  • NIST traceable calibration certificate
  • 2 Year limited warranty