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Product catalog summary

Company Overview
Dorsey Metrology International, originally founded as Dorsey Gage Company in 1955, specializes in precision inspection gages and machining. The company has expanded its product line to include standard inspection products and custom solutions tailored to customer needs.

Key Historical Developments

1975: Acquired Hamilton Watch Company's instrument division, adding Hamilton-Datcon dial indicators.
1986: Acquired Pexit, enhancing precision optical comparators.
2001: Transitioned to Dorsey Metrology International, focusing on inspection instruments.
2002: Acquired Standard Gage's tooling and machinery.

Product Offerings

Indicating Devices: High amplification dial indicators with shock-proof features.
Direct Reading Gages: Includes thickness, drop/depth, and bench gages.
Inner/Outer Diameter Gages: Bore gages, retractable bore gages, and snap gages.
Large Diameter, Depth & Concentricity Gages: Large diameter gages, depth gages, and concentricity fixtures.

Technical Specifications

High amplification indicators offer graduations as fine as 0.00002".
Ultra-high amplification indicators ensure high accuracy and repeatability.

Leadership
The company is led by Ted Luty, CEO and President, and Devon Luty, Vice President.

Dial Indicators
Traditional dial indicators feature precision rack and pinion design, protective cases, and fully jeweled movements. Models vary in graduations and travel distances.

High Amplification Series
These indicators offer shock-proof, fully jeweled movements with interchangeable parts and heavy-duty aluminum housing.

Digital Indicators
Various styles with specific ranges, resolutions, and accuracy levels, featuring inch/metric selectability and SPC output.

Accessories and Tools
Includes lifting levers, tolerance hands, and tools for installation, calibration, and maintenance.

Gage-Check System
The Gage-Check 100 is a multi-axis metrology display supporting up to eight inputs with SPC analyses and dynamic measurements.

Conclusion
Dorsey Metrology International provides a comprehensive range of precision measurement tools and accessories designed for high accuracy and reliability.

Fast Check Thickness Gauge
Features a ground and hardened steel base, recommended for quick thickness checks of flat sheet materials and small parts.

"V" Base Dial Depth Gauge
Designed for measuring depths of small holes with high accuracy, featuring a knife-edge base.

BG-2 Bench Gauge
Utilizes a right-angle movement with a protective housing for the indicator.

Production Comparator Stand
Designed for use in production areas with a large base and throat clearance.

S2N and S2 Comparator Stands
S2N is for digital indicators, while S2 features a fine adjustment head.

S4 Comparator Height Stand
Designed for comparative height measurements with adjustable columns.

S3 Comparator Stand
Designed for high accuracy in manufacturing areas.

Bearing Radial Play Gauge
Used for inspecting radial play on large and intermediate bearings.

Countersink & Chamfer Gauges
Features hardened and ground steel components for accurate readings.

Bore Gauging
Designed to check hole diameter and condition using two-point gaging and three-point centralization.

DBL Series Internal Dial Bore Gages
Lightweight and versatile, featuring a dynamic centralizer with fixed carbide balls.

Standard Bore Gages
Feature a unique "tandem" centralizer for accurate centralization.

Adjustable Bore Gage Setmasters
Used to set bore gages to known dimensions with mastering cycle repeatability.

Easy Bore Series
Retractable bore gages ideal for shop floor or laboratory inspections.

ID Indicating Plug Gages
Used for repetitive bore measurements requiring high accuracy.

Adjustable Inside/Outside Diameter Fixtures
Provide 2 or 3 point measurements for both ID and OD.

Snap Gages
Includes specifications for standard gaging travel and optional features.

Gage Series
Includes LDF, LDVA, LDRA, LDDA, LDDF, LDLTA/LDLTF series with various configurations.

LBBS Series - Ball Bushing Slide Mechanism
Features a patented precision ball bushing movement.

LDAR Series
Uses a lightweight tubular steel frame with a reed pantograph movement.

LDB and LDR Series
Utilize lightweight frames with precision mechanisms.

Special Frame Configurations
Includes bridge, donut, "C", and hump frames for specific applications.

Pin Type Dial Bore Gages
Offer an economical and versatile alternative to ID micrometers.

Setmasters
Available in SMA, SMVA, SMF, and SSM series with adjustable and fixed configurations.

Ultra Large Diameter Gages
Designed for measuring large components in industries like aerospace.

MDG Series - Modular Depth Gages
Offer modular design for versatility.

DDG Series - Depth/Height Gages
Used for measuring distances between surfaces.

Roto Round Concentricity Fixture
Used to check concentricities and runout.

Commitment to Quality
Dorsey emphasizes customer service, quality, and innovation, focusing on internal manufacturing for durability and accuracy.

Future Outlook
The company aims to continue improving products and maintaining high quality standards.

Catalog excerpts

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

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History of Dorsey In 1955 Dorsey Gage Company was incorporated in New York State by its founder, Theodore F. Luty Sr., and his wife Helen Luty. The company began in Hyde Park, New York as a machine shop specializing in the manufacture of simple inspection gages and subcontract machining. From the very beginning, the company aim was to provide precision craftsmanship and customer satisfaction. As the company grew, it began to design and build equipment, which addressed the specific needs of its customers. This exposure in turn provided the basis for the continuing development of Dorsey Gage Company’s...

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Table Section A of Contents Indicating Devices Section B Direct Reading Gages Thickness Gages Dial Indicators #4 High Amplification #2 Traditional A8 #1 Traditional A9 Dial Indicating Units Test Indicators B1 Bench Gages A6-A7 B1 “V” Base Dial Depth Gage A4-A5 #2 High Amplification Drop/Depth Gages B2 A2-A3 #3 High Amplification B1 Comparator Stands B3-B6 A10-A11 T1 Series Bearing Radial Play Gage A13 B7 Digital Indicators A14 Countersink and Chamfer Gages B8 Indicating Contacts & Accessories A15 Special Applications B9 Gage-Check A16 Dorsey Metrology International Website: www.dorseymetrology.com...

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Table Section C of Section D Inner Diameter/Outer Diameter Bore Gages DBL Series C1-C4 Dorsey Standard Series Contents C5-C10 Large Diameter Gages Large Diameter, Depth & Concentricity Gages LDA Series Adjustable D1 C11 LDF Series Fixed Frame D2 Internal Pitch Diameter Gages C12 LDVA / LDRA Series Vertical Rest Adjustable D3 Bore Gage Setmasters LDDA/LDDF Direct Reading D4 LDLTA/LDLTF Level Style D5 LBBS Series D6 Retractable Bore Gages C13-C15 Indicating Plug Style C16 Bench Comparators C17-C20 C21 LDAR Reed Mechanism D7 C22 C23 LDR / LDB Lightweight Reed or Ball Bushing D8 UG Universal Groove...

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Indicating Devices Section High Amplification Dial Indicators Dorsey's high amplification dial indicators feature a shock proof "following" type jeweled movement, lightweight low inertia segmented precision gears and a two piece ring case for unparalleled accuracy and repeatability. Available in single revolution or multirevolution styles Friction free fully jeweled movement High accuracy gear segment movement Revolution counters are a standard feature on all Dorsey multi-revolution indicators “Cartridge Style” movement can be easily replaced as an assembly limiting repair downtime Zero adjustment...

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Ultra High Amplification Group 4 20 Millionths that you can actually read! Features: High amplification movement permits: • Graduations as fine as 0.00002". • Improved readability and minimized judgement error. • Performance comparable to more expensive gaging methods. • Convenient portability - no external connections required. • Interchangeability - can be used in the same environment as any other mechanical dial indicator. • Simplified service - complete movement is easily removed from the case for cleaning or direct replacement at low cost. Lever principle of amplification - minimizes effect...

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Ultra High Amplification Group 4 The most precise indicator on the planet! INCH MODEL 4I4-002 4I9-005 4I4-005 4I9-01 .00002" .00005" .00005" .0001" Graduation Total Travel .004" .009" .004" .009" .002"-0-.002" Dial .0045"-0-.0045" .002"-0-.002" .0045"-0-.0045" Revolutions 1 Rev. 1 Rev. 1 Rev. 1 Rev. less than +/- .00002" less than +/- .00005" less than +/- .00005" less than +/- .0001" +/- 10 millionths (.000010") +/-10 millionths (.000010") +/-10 millionths (.000010") +/- 20 millionths (.00002") Accuracy Repeatability METRIC MODEL 4I01-0005mm 4I01-001mm *4I02-002mm Graduation 0.0005mm 0.001mm...

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Ultra High Amplification Group 3 Features: High amplification movement - graduations as fine as .00005". Improved readability and minimizes judgement error. Lever principle of amplification - minimizes effect of spindle sideshake. Linearity and repeatability maintained through millions of cycles. 2-15/16" Bezel - fits many existing fixtures. Conforms to ANSI/AGD standards. Adjustable gaging force - easily adjusts from 2 to 5 ounces by externally accessible screw. External zero adjustment knob makes possible the advantage of adjusting indicator hand to zero rather than rotating bezel to 'zero'...

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Ultra High Amplification Group 3 MODEL 3I4-005 3I9-01 3I50-01 *3I40-05 *3I100-05 Graduation .00005" .0001" .0001" .0005" .0005" Total Travel .004" .009" .050" .040" .100" .002"-0-.002" .0045"-0-.0045" 0-.005"-0 .02"-0-.02" 0-.010"-0 Dial Revolutions 1 Rev. 1 Rev. 5 Rev. 1 Rev. 5 Rev. Accuracy +/- .00005" +/- .0001" +/- .0001" +/- .0005" +/- .0005" Repeatability +/- .00002" +/- .00002" +/- .00002" +/- .0001" +/- .0001" 3I01-001mm 3I02-002mm *3I10-002mm 3I10-01mm S3I25-005mm 0.001mm 0.002mm 0.002mm 0.01mm 0.005mm MODEL Graduation Total Travel Revolutions 0.1mm 0.2mm 1.0mm 1.0mm 0.5mm 0.05-0-0.05mm...

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Ultra High Amplification Group 2 All Dorsey Ultra Amplification Indicators utilize the lever principle of motion. They do not rely on rack and pinion motion. This eliminates the inherent error between the meshing of racks and gears. Features: High amplification movement - graduations as low as .00005". Improves readability and minimizes judgement error. Lever principle of amplification - minimizes effect of spindle sideshake. Linearity and repeatability maintained through millions of cycles. 2.25" Bezel - fits many existing fixtures. Conforms to ANSI/AGD standards. gaging force - standard is...

Open the catalog to page 10

Ultra High Amplification Group 2 Dials can be supplied to your specification. See page A-13 for options. MODEL 2I4-005 2I9-01 2I50-01 2I100-025 2I100-05 2I40-05 2I40-10 .00005" .0001" .0001" .00025" .0005" .0005" .001" Graduation Total Travel .004" .009" .050" .100" .100" .040" .040" .002"-0-.002" Dial .0045"-0-.0045" 0-.005"-0 0-.10"-0 0-.10"-0 .020"-0-.020" .020"-0-.020" Revolutions 1 Rev. 1 Rev. 5 Rev. 5 Rev. 5 Rev. 1 Rev. 1 Rev. Accuracy +/- .00005" +/- .0001" +/- .0001" +/- .00025" +/- .0005" +/- .0005" +/- .0005" Repeatability +/- .00001" +/- .00002" +/- .00002" +/- .00005" +/- .0001" +/-...

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