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Optical Comparators

Optical Comparators
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Optical Comparators

Product catalog summary
Introduction
Dorsey Metrology International provides a comprehensive guide for selecting optical comparators, focusing on quality and customer service. Key considerations include model types, screen and stage sizes, lens requirements, digital readout options, and necessary tooling.
Model Selection
  • Horizontal vs. Vertical Models: Horizontal models are ideal for large, heavy parts, while vertical models suit flat parts and offer faster measurements.
Screen and Stage Size
  • Screen sizes range from 12” to 80”, chosen based on part size. Workstage size, travel, and weight capacity must accommodate all parts for inspection.
Lens Requirements
  • Lens magnification affects resolution, with options from 5X to 500X.
Digital Readout
  • Basic XY readouts are for position and distance; geometric capability is recommended for circles and angles. CNC readouts are suggested for repetitive tasks.
Tooling and Options
  • Essential for accuracy, options include internal edge detection and multiple lens selectors.
Technical Specifications
  • Includes illumination types, screen size, workstage material, accuracy, power requirements, and dimensions. Models like 16H and 24P feature electronic rotary screen protractors and high-resolution screens.
Conclusion
Dorsey Metrology emphasizes precision and reliability, supported by a long warranty and NIST traceable calibration certificates, aiding in customizing optical comparators for specific needs.
Technical Specifications
Power requirements are 120V or 240V AC, 50/60 Hz, with a 10 Amp capacity. Dimensions are Length=94", Width=66", Height=85", and weight is 2880 lbs. Illumination includes a 24V/150W halogen, with optional fiber optic cables.
Workstage Specifications
The nickel-plated workstage measures 11" x 7.4" with manual and motorized travel options, offering accuracy within +/- 0.004mm +[(L/20).001].
Digital Readout Options
Features include X, Y, and optional Z Axis digital display, with programmable geometric displays for automatic calculations.
Lens Technical Specifications
Coated telecentric lenses available in magnifications from 5x to 100x, with optical accuracy within +/- .10% Profile and +/- .15% Surface.
Ultra Precision Coordinate Staging
Suitable for optical comparators, featuring high precision bearings and motorized options.
Special Optical Comparators
Screen sizes from 12" to 80", stage travel up to 30" x 16" x 12", and weight capacity up to 1500 lbs.
Portable Vertical Beam Optical Comparator
Part# 12TC features a 12" screen, rotary vernier protractor, and optional collimation systems.
Additional Measurement Tools
Includes high amplification dial indicators, versatile snap gages, and other tools for high accuracy applications.
See more

Catalog excerpts

Optical Comparators-1

Dorsey Metrology International 53 Oakley Street, Poughkeepsie, NY 12601Tel: (845) 454-3111 Fax: (845) 454-3888Website: www.DorseyMetrology.com >

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Optical Comparators-3

16H24P32P32SS40SS60SS(page 4)(page 6)(page 7)(page 8)(page 8)(page 17)L igh t p at h Hor i zonta l Hor i zonta l Hor i zonta l Hor i zonta l Hor i zonta l Hor i zonta l S creen s i ze 16" (400 mm ) 24" (600 mm ) 32" (800 mm ) 32" (800 mm ) 40" (1000 mm ) 60" (1500 mm ) S tan d ar d i ma g e or i entat i onErectErectErect C orrect C orrect C orrect Op t i ona l i ma g e or i entat i onErect & C orrectN /A N /A Erect & C orrectErect & C orrectErect & C orrect S ta g e Trave l X 10" 24" 24" 24" 24" 24" Y 6" 10" 10" 10" 10" 10" Z ( Focus ) 2" 3" 3" 3" 3" 3" We igh t ca p ac i t y (lb s. ) 110 500...

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Optical Comparators-4

TECHNICAL SPECIFICATIONSDIMENSIONS Illumination Profile: Built-in 24V/150W direct collimated halo g enSurface: Built-in 24V/250W via fiber o p tics Screen size 16" ( 400mm ) Ground g lass with cross-lines Worksta g e Cast iron , nickel p lated , 18" x 5" , twin dovetai l Worksta g e travel X = 10" ( 250mm ) Y = 6" ( 150mm ) Focus = 2" ( 50mm ) Worksta g e o p tions O p tional increase of sta g e travel to 20" on X axis ( 500mm ) Worksta g e accurac y Within +/- 0.004mm + [( L/20 ) .001 ] Linear scale resolution Standard: 0.001mm/.00005 O p tional: 0.0005mm/.000020" Re p eatabilit y +/- 1 Scale...

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Optical Comparators-6

TECHNICAL SPECIFICATIONSDIMENSIONS Illumination Profile: Built-in 24V/150W direct collimated halo g enSurface: Built-in 24V/250W via fiber o p tics Screen size 24" ( 600mm ) Ground g lass with cross-lines Worksta g e Cast iron , nickel p lated , 32" x 8" tri p le dovetail Worksta g e travel X = 24" ( 610mm ) motorizedY = 10" ( 250mm ) motorizedFocus = 3" ( 75mm ) manual , o p tional motorizedTrue p arfocal helix rotation = +/- 15 de g ree , 5 minute vernier Worksta g e o p tions 30Քx12x6" Maximum extended travel Worksta g e accurac y Within +/- 0.004mm + [( L/20 ) .001 ] Linear scale resolution...

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Optical Comparators-7

TECHNICAL SPECIFICATIONSDIMENSIONS Illumination Profile: Built-in 24V/150W direct collimated halo g enSurface: Built-in 24V/500W via fiber o p tics ( x4 ) Screen size 32" ( 800mm ) Ground g lass with cross-lines Worksta g e Cast iron , nickel p lated , 32" x 8" tri p le dovetail Worksta g e travel X = 24" ( 610mm ) motorizedY = 10" ( 250mm ) motorizedFocus = 3" ( 75mm ) manual , o p tional motorizedTrue p arfocal helix rotation = +/- 15 de g ree , 5 minute vernier Worksta g e o p tions 30Քx12 x6" Maximum extended travel Worksta g e accurac y Within +/- 0.004mm + [( L/20 ) .001 ] Linear scale...

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Optical Comparators-8

TECHNICAL SPECIFICATIONS > TECHNICAL SPECIFICATIONS Illumination Profile: Built-in 24V/150W direct collimated halo g enSurface: Built-in 24V/500W via fiber o > Illumination Profile: Built-in 24V/150W direct collimated halo g enSurface: Built-in 24V/750W via fiber o p tics ( x4 ) > p tics ( x6 ) Screen size 32" ( 800mm ) Ground g lass with cross-lines > Screen size 40" ( 1000mm ) Ground g lass with cross-lines Worksta g e Cast iron , nickel p lated , 32" x 8" tri p le dovetail > Worksta g e Cast iron , nickel p lated , 32" x 8" tri p le dovetail Worksta g e travel X = 24" ( 610mm ) motorizedY...

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Optical Comparators-9

TECHNICAL SPECIFICATIONSDIMENSIONS Illumination Profile: Built-in 24V/150W direct collimated halo g enO p tional surface: Built-in 24V/250W via coaxial ada p ter Screen size 16" ( 400mm ) Ground g lass with cross-lines Worksta g e Nickel p lated 11" x 7.4" with 7" x 4.5" g lass insert Worksta g e travel X = 6" ( 150mm ) Y = 4" ( 100mm ) Focus = 4" ( 100mm ) Worksta g e o p tions Static fixture p late Part# SFP Worksta g e accurac y Within +/- 0.004mm + [( L/20 ) .001 ] Linear scale resolution Standard: 0.002mm/.0001 O p tional: 0.001mm/.00005Ԕ O p tional: 0.0005mm/.000020" Re p eatabilit y +/-...

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Optical Comparators-10

TECHNICAL SPECIFICATIONSDIMENSIONS Illumination Profile: Built-in 24V/150W direct collimated halo g enSurface: Built-in 24V/150W via illumination Screen size 16" ( 400mm ) Ground g lass with cross-lines Worksta g e Nickel p lated 11" x 7.4" with 7" x 4.5" g lass insert Worksta g e travel X = 6" ( 150mm ) Y = 4" ( 100mm ) Focus = 4" ( 100mm ) Worksta g e o p tions Static fixture p late , p art# SFP12Քx4 Travel , p art# 12X4MX8Ԕx8 Travel , p art# 8X8MX16Ԕx8 Travel , p art# 16X8MX Worksta g e accurac y Within +/- 0.004mm + [( L/20 ) .001 ] Linear scale resolution Standard: 0.002mm/.0001Ԕ O p tional:...

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Optical Comparators-11

TECHNICAL SPECIFICATIONSDIMENSIONS Illumination Profile: Built-in 24V/150W direct collimated halo g enO p tional surface: Built in fiber o p tic cables , or coaxial Screen size 24" ( 600mm ) Ground g lass with cross-lines Worksta g e Nickel p lated 11" x 7.4" with 7" x 4.5" g lass insert Worksta g e travel X = 6" ( 150mm ) Y = 4" ( 100mm ) Focus = 4" ( 100 mm ) Helix rotation = +/- 15 de g ree Worksta g e o p tions Static Fixture Plate , p art# SFP12Քx4 Travel , p art# 12X4MX Worksta g e accurac y Within +/- 0.004mm + [( L/20 ) .001 ] Linear scale resolution Standard: 0.002mm/.0001Ԕ O p tional:...

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Optical Comparators-12

Ill um i nat i on Profile: Built-in 24V/150W direct collimated halo g enO > p tional surface: Built in fiber o p tic cables , or coaxial > S creen s i ze 40" (1000mm) Ground glass with cross-lines > W or k stage Nickel plated 11" x 7.4" with 7" x 4.5" glass insert > W or k stage trave l X = 6" (150mm) manual, optional motorizedY = 4" (100mm) manual, optional motorizedFocus =4" (100mm) motorized > W or k stage opt i ons Static Fixture Plate , p art# SFP12x4Ԕ Travel > Li near sca l e reso l u ti on Standard: 0.002mm/.0001Ԕ O > R epea t a bilit y +/- 1 Scale count ( 0.001mm/.00005" ) > O p ti ca...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.