Dorsey Optical Comparators Exclusive

The Tool & Gage House has been named the exclusive distributor of Dorsey Optical Comparators in the Carolinas. Vertical and horizontal optical comparators are available as a floor or benchtop models, depending on the size.

Various optical comparators screen sizes are available, from 12" to 80".

Dorsey's most popular comparator is model 16H will be offered at prices starting at $8,750.

16H Horizontal Beam Optical Comparator

This ultra precision optical comparator utilizes an integrated zero backlash, high resolution scale and a free state, normalized zero stress stage. These features allow 16H optical comparator to attain inherent accuracy and repeatability values as high as .00001" without electronic compensation. This extremely accurate and versatile measurement instrument features our proven cast iron “ultra precision” stage system. Integrated fiber optic surface illumination, and an electronic rotary screen protractor combine to make this the most accurate and versatile horizontal benchtop optical comparator available at any price.

More 16H Images

Features:

• 16"(400mm) vertical screen for optimum viewing
• Erect profile image with fully corrected surface reflection image or optional fully corrected image
• High resolution ground glass screen with calibration reticle, 90 degree cross lines and chart clips
• Machined chart ring with vernier protractor, 1 minute graduation
• Output for electronic rotary screen protractor with selectable 1 minute or 1/100 of a degree resolution
• Coated telecentric parfocal optics
• Quick change single lens mount
• Fiber optic surface illumination
• Integrated hood
• Nickel plated, completely cast iron workstage
• Triple axes solid crossed roller stage system
• Twin universal dovetails
• 18" x 5" overall size
• 10" X axis travel with "glide release"
• 6" Y axis travel ( rise & fall )
• 150 lbs. capacity
• ±15 degree true parfocal helix table adjustment, with 5 minute vernier
• Available with 3 axes of measurement
• Optional 20" extended stage travel on "X" axis
• Available with internal or external edge sensing
• Optional swing away lamp house arm
• Optional motorized CNC full computer controlled readout systems
• NIST traceable calibration certificate
• Harsh Environment package
• 2 Year limited warranty

16H optical comparator is available with Dorsey Duralume patented 10 year light source.

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