Dorsey Metrology International
Feature List
- 16" (400mm) Vertical screen for optimum viewing
- Erect and reversed profile 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
- Coated telecentric parfocal optics
- Quick change single lens mount
- Fiber optic surface illumination
- Integrated hood
- Solid cast iron, nickel plated stage
- 3-axis solid rail crossed roller bearings
- Twin universal dovetails
- 18" x 5" (457mmx127mm) overall size
- 10" (250mm) X-axis travel with quick release
- 6" (150mm) Y-axis travel (vertical movement/rise & fall)
- 150 lbs capacity
- ±15 degree true parfocal helix stage adjustment with 5 minute vernier
- 1/4 micron scales are standard equipment
- NIST traceable calibration certificate
- 2 Year limited warranty
Optional Features
- Internal edge detection
- Swing away lamp house arm
- 24" (610mm) extended stage travel on X-axis (50 lbs capacity), 5" (127mm) Y-axis travel (vertical movement Rise & Fall)
- Choice of readout options
- Motorized and CNC computer controlled systems, 50 lbs capacity
- Output for electronic rotary screen protractor (Q-axis) with selectable 1 minute or 1/100 of a degree resolution
- Through-lens surface illumination
- Harsh Environment package
- Additional lens magnifications available
- Tooling
Profile Illumination
Built-in 24V/150W direct collimated halogen
Surface Illumination
Built-in 24V/250W via fiber optics
Screen Size
16” (400mm) Ground glass with cross-lines
Stage Specs
Cast iron, nickel plated, 18” x 5”, twin dovetail. Optional increase of stage travel 24” (600mm) on X axis.
10” (250mm
6” (150mm)
Stage Focus
2” (50mm)
Stage Accuracy
Within +/- 0.004mm +[(L/20).001]
0.00025mm/.000010”
Repeatability of Scales
+/- 1 Scale count (0.00025mm/.000010”)
Lens Magnification
5x, 10x, 20x, 25x, 31.25x, 50x, 62.5x, 100x
Profile Accuracy
+/- .10%
Surface Accuracy
+/- .15%
Power Requirements
120V or 240V AC, 50/60 Hz, 10 Amp
Weight
460 lbs/209 kg
Warranty
2 years
NIST Cert
Yes
| Attachment | Size |
|---|---|
| Digital Readouts | 359.07 KB |
| Optical Comparators How-to | 85.99 KB |
| Optical Comparators Overview | 1.24 MB |
| Optical Comparator Accessories | 778.94 KB |
| M2 Software | 380.44 KB |
| Workstage Tooling Catalog Page | 773.23 KB |
| Workstage Tooling Catalog Page 2 | 750.59 KB |
Part Number
Lens Magnification
5X
Max Part Diameter
276mm
Focal Distance
138mm
Lens Face Diameter
106mm
Part Number
Lens Magnification
10X
Max Part Diameter
160mm
Focal Distance
80mm
Lens Face Diameter
58mm
Part Number
Lens Magnification
20X
Max Part Diameter
164mm
Focal Distance
82mm
Lens Face Diameter
40mm
Part Number
Lens Magnification
25X
Max Part Diameter
140mm
Focal Distance
70mm
Lens Face Diameter
40mm
Part Number
Lens Magnification
31.25X
Max Part Diameter
112mm
Focal Distance
56mm
Lens Face Diameter
35mm
Part Number
Lens Magnification
50X
Max Part Diameter
106mm
Focal Distance
53mm
Lens Face Diameter
30mm
Part Number
Lens Magnification
61.5X
Max Part Diameter
100mm
Focal Distance
50mm
Lens Face Diameter
30mm
Part Number
Lens Magnification
100X
Max Part Diameter
86mm
Focal Distance
43mm
Lens Face Diameter
30mm
Heavy Duty Locking Metal Stand
Part Number
ACC-CAB27
Feature List
- 28.5" x 22.3" x 27" dimensions
- Laminate top
- 2 Heavy duty locking drawers 5" & 11" deep
- Up to 1000 lbs. capacity
Part Number
ACC-MAGMM
Feature List
- 3" X 16" Overall size
- 14" scale
- Fitted storage box
- NIST Traceable accuracy certification
- For magnification calibration (measuring the projected image)
Part Number
ACC-MAGPM
Feature List
- Chrome targets with 6" x 3" rule
- Inch/metric graduations
- Fitted storage box
- NIST Traceable accuracy certification
- For linear calibration and projection of magnification image
Part Number
ACC-MAGPMF
Feature List
- Designed to accurately hold and protect ACC-MAGPM during use on horizontal optical comparators
- Precision ground base
- Wooden storage box
Fixture Banking Plates 6" x 1"
Part Number
ACC-BF
Feature List
- Precision ground steel
- Reversible for left or right bank
- Can be used on horizontal stages
- Part# ACC-BF 6" x 1" (150x25mm)
Fixture Banking plates 3" x 2.5"
Part Number
ACC-LBF
Feature List
- Precision ground steel
- Reversible for left or right bank
- Can be used on horizontal stages
- Part# ACC-LBF 3" x 2.5" (75x63mm)
Part Number
ACC-VB1
Feature List
- 90 degree V 2.7" (70mm)high
- Hardened and ground steel
- Precision V block
Part Number
ACC-V1
Feature List
- Jaw opening of 1.25" (32mm)
- Precision ground steel
- Vertical and horizontal V
Part Number
ACC-V2
Feature List
- Jaw opening of 2.12" (54mm)
- Precision ground steel
- Vertical and horizontal V
Part Number
ACC-VF7x5
Feature List
- Used to mount flat parts on horizontal comparators
- 7" x 5" (178x127mm) glass
- 2 Chart clips & V
Part Number
ACC-PVS
Feature List
- For use with ACC-V1 vise only.
- Fixture to hold vise in 2 axes (ACC-V1 sold separately)
Part Number
ACC-RV1
Feature List
- Jaw opening of 1.25" (32mm)
- Precision ground steel
- Positions vise in X, Y, or Z axis
- 360 degree rotation with 1 degree graduation
Part Number
ACC-RV2
Feature List
- Jaw opening of 2.12" (54mm)
- Precision ground steel
- Positions vise in X, Y, or Z axis
- 360 degree rotation with 1 degree graduation
Part Number
ACC-VBC5.38
Feature List
- Matched ground hardened steel
- 90 degree V
- 5.385" (137mm) tall
- 3/4" (19mm) diameter centers with fine adjustment
- 1.25" (32mm) fixed center
Heavy Duty V Block & Center Kit
Part Number
ACC-VBCHD
Feature List
- Matched ground cast iron
- 90 degree V
- 5" (127mm) tall
- 1" (25mm) diameter centers with interchangeable Morse taper insert and clamps
Part Number
ACC-FBX
Feature List
- Used to make custom fixtures
- Precision machined steel
- 2" (50mm) Part #ACC-FB2
- 4" (100mm) Part #ACC-FB4
- 6" (150mm) Part #ACC-FB6
- 8" (200mm) Part #ACC-FB8
Precision V Block & Center Kit
Part Number
ACC-VBC2.5
Feature List
- Matched ground hardened steel
- 90 degree V
- 2.7" (70mm) tall
- 1" (25mm) diameter centers with interchangeable Morse taper insert and clamps
Part Number
ACC-16ID
Feature List
- Part #ACC-16ID for 16" benchtops
- Mounts over condenser
- Used to improve collimation and reduce glare
- Improved measurement accuracy for cylindrical parts
Part Number
ACC-16GF
Feature List
- Part #ACC-16GF for 16" benchtops
- Mounts over condenser
- Monochromatic filter increases contrast
- Reduces optical aberrations
- Reduces operator eye fatigue
Part Number
ACC-16PF
Feature List
- Part #ACC-16PF for 16" benchtops
- Mounts over condenser
- Used to reduce glare on ground parts
- Improves contrast on translucent plastic