An optical comparator (often called just a comparator in context) or profile projector is a device that applies the principles of optics to the inspection of manufactured parts.

Manufactured without compromise, Starrett optical comparators provide time tested, cost effective solutions for non-contact measurement. At the heart of these systems are precision optics, …

Optical comparators are also commonly known as profile projectors, shadowgraphs, or comparator measuring tools. A typical optical comparator illuminates from below and projects …

Optical Comparators from OGP combine cutting-edge optics, lighting, and automation technologies for enhanced productivity and profitability. The benchtop and floor model …

Oct 21, 2020 · Optical comparators, also called comparators or profile projectors, are measurement tools used in the manufacturing industry. Comparators inspect, measure, and …

Optical comparators take precise 2D measurements of a part or workpiece. The magnified image of a part projects onto a screen with an X- and Y-axis. These optical comparators offer a non …

Jun 17, 2025 · An optical comparator is a high-precision measuring instrument used to inspect the dimensional accuracy and surface features of parts. It works by projecting a magnified image …

Optical comparators are a type of optical measuring instrument. The measurement principle is similar to that of optical microscopes. The target is placed on the stage, and a light is shined …

What is an Optical Comparator? An optical comparator, also known as a profile projector, is a precision measuring instrument widely used in the manufacturing industry for inspection and …

24P Optical Comparator The 24P is designed to be an all purpose measurement/inspection instrument capable of performing both light and heavy duty tasks.