14HE Optical Comparator

The 14HE benchtop comparator is Dorsey Metrology’s basic and most economical comparator with the same high quality features as the other comparators in our product line, but in a smaller package at a lower price. The addition of our extra long-life LED surface illumination is another Dorsey innovation.

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Features

  • The Model 14HE Horizontal Beam is designed for precision and ease of use, featuring a 14″ (350mm) angled high-resolution glass screen with 90-degree cross lines, a calibration reticle, and chart clips for optimum viewing.
  • The profile image is reversed and inverted, and alignment is facilitated by a machined chart ring with a vernier protractor marked in 1-minute graduations. The system incorporates coated telecentric parfocal optics and a quick change single lens mount for convenience. Durability is ensured with a solid cast iron, nickel-plated stage, supported by X&Y solid rail crossed roller bearings, and a single universal dovetail stage. The stage has a size of 16″ x 4″ (400 x 100mm), an 8″ (200mm) X-axis travel with quick release, a 4″ (100mm) Y-axis travel, and a 50 lbs capacity, along with a ± 5-degree light source helix adjustment.
  • Accuracy and reliability are guaranteed with a NIST traceable calibration certificate and 1/4 micron scales as standard equipment. Additionally, the product comes with a 2-year limited warranty, ensuring peace of mind and reliable performance.

Overview

14HE Optical Comparator

The 14HE benchtop comparator is Dorsey Metrology’s basic and most economical comparator with the same high quality features as the other comparators in our product line, but in a smaller package at a lower price. The addition of our extra long-life LED surface illumination is another Dorsey innovation.

Illumination

Profile: Built-in 24V/150W direct collimated halogen Surface: 2-Triple LED lights (optional)

Screen Size

14” (350mm) Ground glass with cross-lines

Stage

Cast iron, nickel plated, 16” x 4” single dovetail

Stage Travel

X = 8” (200mm)

Y = 4” (100mm)

Focus = 1.5″ (38mm)

Stage Accuracy

Within +/- 0.004mm +[(L/20).001]

Linear Scale Resolution

Standard: 0.00025mm/.000010”

Repeatability of Scales

+/- 1 Scale count (0.00025mm/.000010”)

Coated Telecentric Lenses

10x, 20x, 50x, 100x

Optical Accuracy

Within +/- .10% Profile, +/- .15% Surface

Power Requirements

120V or 240V AC, 50/60 Hz, 10 Amp

Weight

230 lbs/105 kg

Resources

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