Optical comparator
id:
optical-comparator-303-5970453
title:
Optical comparator
text:
An optical comparator or profile projector is a device that applies the principles of optics to the inspection of manufactured parts. In a comparator, the magnified silhouette of a part is projected upon the screen, and the dimensions and geometry of the part are measured against prescribed limits. It is a useful item in a small parts machine shop or production line for the quality control inspection team. The measuring happens in any of several ways. The simplest way is that graduations on the
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Optical_comparator
date created:
date modified:
2023-09-03T02:22:48Z
main entity:
{"identifier":"Q3447646","url":"https://www.wikidata.org/entity/Q3447646"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/4/47/HartnessComparator.jpg","width":1079,"height":658}
fields total:
13
integrity:
14