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The 3500-3550 Series 14" Comparator feature a more rigid stage with greater measuring range and accuracy. Over 60 years of experience manufacturing in the U.S., combined with its nation wide factory service organization makes S-T Optical Comparators your best buy in the industry.
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
| “3550” Series With DIGITAL PROTRACTOR |
| CATALOG # |
DESCRIPTION |
| 20-3551-00 |
3550 with QC 121 DRO |
| 20-3552-00 |
3550 with QC 221 |
| 20-3553-00 |
3550 with QC 221E |
| 20-3554-00 |
3550 with QC 321E |
| 20-3555-00 |
3550 with QC 5215 |
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| “3500” SERIES WITH 5 MINUTE VERNIER |
| CATALOG # |
DESCRIPTION |
| 20-3501-00 |
3500 with QC 121 DRO |
| 20-3502-00 |
3500 with QC 220 |
| 20-3503-00 |
3500 with QC 220E |
| 20-3504-00 |
3500 with QC 320E |
Options
| CATALOG # |
DESCRIPTION |
CATALOG # |
DESCRIPTION |
| 20-0320-01 |
5x Mag Lens |
20-0319-00 |
62 1/2x Mag Lens |
| 20-0310-00 |
10x Mag Lens |
20-0321-01 |
100x Mag Lens |
| 20-0312-00 |
20x Mag Lens |
20-3630-00 |
Rotary V-Block |
| 20-0313-00 |
20x Mag Lens |
20-3631-00 |
Rotary Vise Fixture |
| 20-0315-00 |
25x Mag Lens |
20-3633-00 |
Stage Centers |
| 20-0317-00 |
31 1/4x Mag Lens |
20-2540-00 |
Vertical Glass Fixture |
| 20-0318-00 |
50x Mag Lens |
20-1406-00 |
Heavy-Duty Console Base |
Specifications
Measuring Travel – 10" (250 mm) horizontal (X) • 4" (100 mm) vertical (Y) • 2.5" (60 mm) focus with Quick Release on X-Axis
Precision Measuring Stage – 5" x 16" (125 x 400 mm) nickel-plated top plate
Digital Screen Protractor On 3550 Series – angular readings to 1 minute of arc
Duplex Fiber Optic Surface Illumination 14" Frosted Glass Screen – with 30, 60, and 90 degree cross lines
Helix - + ⁄ -6° via lamphouse displacement
Heavy Duty Dust Cover
Steel construction with Polyethylene body
50 lb. (22 kg.) allowable workload on stages
Electrical: 115/220 Volts, 50-60 Hz, Single Phase, 2.0 Amp
Approx. Weight: Net 170 lbs. (75 kg) - Crated 330 lbs. (150 kg)
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