2450 Series
24" Horizontal Beam Optical Comparator
The 2450 Series 24" Erect
Image Horizontal Beam Optical Comparator features a more rugged
structure, an 8" x 12" travel measuring stage and a 3-position
lens turret. Over 60 years experience manufacturing optical comparators
in the U.S., combined with its worldwide service organization makes
S-T Optical Comparators your best buy.

Standard Features
Nickel plated 5" X 24" top plate with 2 std. clamping slots, 8" (Y) x 12" (X), travel with a 200 lb. work load capacity, exclusive gothic arch bearing ways, .00005"/.001mm Acu-Rite glass scales, motorized stepper motor drive on X and Y axis with variable speed joystick controller with X and Y axis fine adjust jog wheels. True +/- 15° helix adjustment on stage in 5 min. increments. Swing away lamphouse allows you to inspect extra long parts. Rotating glass screen with chart clips and digital readout protractor and duplex high intensity surface illumination.
Digital Readouts
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Quadra-Chek 121
The Standard digital readout features absolute/incremental, IN/MM conversion, random zeroing, RS232C output, linear error compensation and Q axis for digital screen protractor. |
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Quadra-Chek 221 & 221E
These powerful digital readouts provide fast geometric computations in a simple, easy to use format. Functions include point, line, circle, distance, angle, skew alignment and Measure Magic. Other features include Inch/MM, Cartesian/Polar, nearest/farthest distance, complimentary angles, serial and parallel ports and 200-feature memory. Large, high contrast LCD screen graphically displays measurement features and construction. Housing tilts backward or forward for best angle of operation. Model 221E includes fiber optic edge sensor. |
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Quadra-Chek 321E
This new digital readout combines all the geometric functions of the QC200 series DRO with a high resolution touch-screen video display to provide a unique and user-friendly measuring solution. |
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Quadra-Chek 5215
PC computer based geometric readout system, mouse driven,
with on screen graphic representation of part or part segment as it is measured. Simple CAD interface simplifies constructions and part programming. Unlimited part and feature memory. Includes computer with Microsoft® Windows®, fiber optic edge sensor and all functions found in the Quadra-Chek 200. |
Features & Specifications
| CATALOG NO. |
DESCRIPTION |
| 20-2450-01 |
with QC 121 DRO |
| 20-2450-02 |
with QC 221 DRO |
| 20-2450-03 |
with QC 221E DRO, Edge Sensing |
| 20-2450-04 |
with QC 321E DRO, Edge Sensing |
| 20-2450-05 |
with QC 5215 DRO, Edge Sensing |
| NOTE: the 2450 Series is also available with full
CNC controls |
Options
| CATALOG NO. |
DESCRIPTION |
CATALOG NO. |
DESCRIPTION |
| 20-1310-00 |
10 x Lens |
20-1318-00 |
50 x Lens |
| 20-1313-00 |
20 x Lens |
20-1321-00 |
100 x Lens |
| 20-1315-00 |
25 x Lens |
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Specifications

Work Table: 5" x 24" (125 x 600 mm)
Measuring Range: 8" x 12" (200 x 300 mm)
Allowable Work Load on Stage: 200 lbs. (90 kg)
Illumination: Profile - 150w, Surface - 150w x 2
Focus Travel: 3" (75 mm)
Screen Size: 24" (600 mm)
Floor Space: 31" x 64" (785 x 1625 mm)
Electrical: 100-240v, 50/60hz
Weight: 1000 lbs. (455 kg) - Crated 1240 lbs. (565 kg)

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