Featured Products

Edmunds EPIC-CAG Amplifier

Edmunds EPIC-CAG Gaging Amplifier

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Mitutoyo Surftest SJ-210

The Surftest SJ-210 is a user-friendly surface roughness measurement instrument designed as a handheld tool that can be carried with you and used on-site.


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Dorsey 14H Horizontal Beam Optical Comparator
Dorsey 14H Horizontal Beam Optical Comparator
The Benchmark 14H bench top comparator, a horizontal comparator, has an erect projection image, and our "Ultraprecision" crossed roller bearing stage system. The measurement scales have zero backlash and are mounted in the center of the stage travel that provides maximum measurement accuracy. The system is available with Dorsey's Internal Edge Detection and the extra long-life LED surface illumination, another Dorsey innovation.
Product Code: DORSEY/14H

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14H Optical Comparator features:

  • Erect and reversed profile image
  • 14" (350mm) vertical screen for optimum viewing
  • High resolution ground glass screen with 90 degree cross lines, with calibration reticle and chart clips
  • Machined chart ring with recessed screen protects internal optics
  • Chart ring facilitates the alignment of the screen to the optical axis
  • 14" high resolution angled glass screen for optimum viewing
  • Large format vernier protractor with one minute graduation
  • Quick change single lens mount with choice lenses, 10X, 20X, 25X, 50X, 100X
  • Coated telecentric par focal optics
  • Optional patented telescoping LED surface illumination, sun glasses are not required!
  • The illumination is directed at the part, not in the operator's eyes
  • Nickel plated cast iron workstage 16" X 4" with universal dovetail slot
  • Stage travel is 8" X-axis and 4" Y-axis and 1.5" focus
  • Crossed roller bearing travel in all three axes
  • X and Y axis 0.00025mm/0.00001" linear scales have zero backlash
  • X and Y axis are mounted in the center of the stage movement for increased accuracy
  • The optics and workstage movements are mounted on heavy-duty angle plate construction
  • Single hand quick release table travel allows for course and micrometer type fine adjustment
  • The Y-axis drive is mounted directly under the center of gravity for better weight distribution and increased accuracy
  • Positive/negative 5 degree light source helix adjustment

Please review these other products:
Dorsey 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.

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Dorsey 24P Horizontal Beam Optical Comparator

The 24P was designed to be an all purpose inspection instrument capable of performing both light and heavy duty inspection tasks. Choose any workstage and lens system to customize this machine to match your requirements.

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Dorsey 32P Horizontal Beam Optical Comparator

The 32P was designed with crisp, clear telecentric optics and a precision solid cast iron workstage to be an instrument capable of handling almost any inspection requirement. This welded steel fabrication assures years of accurate, trouble free service.

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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.

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Dorsey 24LD Vertical Beam Optical Comparator

The 24LD is a large screen comparator with a compact size and a competitive price. The 24LD has the largest travel in its class. The availability of standard and custom tooling makes this an extremely versatile machine capable of inspecting a wide variety of parts. Typical applications include inspection of electronic components, stampings, surgical equipment, molded and extruded parts as well as machined parts of all shapes. The 24" angled screen is also ideal for tracing magnified drawings on the screen and reverse engineering projects.

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Dorsey 32SS Horizontal Beam Optical Comparator

The 32SS allows full access for the operator directly in front of the 32" diameter glass screen. 

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