Profile Projector pfofile,
What is a profile projector? Also known as an optical comparator, or even called a shadowgraph, a profile projector is an optical instrument that can be used for measuring. It is a useful item in a small parts machine shop or production line for the quality control inspection team. The projector magnifies the profile of the specimen, and displays this on the built-in projection screen. On this screen there is typically a grid that can be rotated 360 degrees so the X-Y axis of the screen can be aligned with a straight edge of the machined part to examine or measure.This projection screen displays the profile of the specimen and is magnified for better ease of calculating linear measurements. An edge of the specimen to examine may be lined up with the grid on the screen. From there, simple measurements may be taken for distances to other points. This is being done on a magnified profile of the specimen. It can be simpler as well as reduce errors by measuring on the magnified projection screen of a profile projector.
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The typical method for lighting is by diascopic illumination, which is lighting from behind. This type of lighting is also called transmitted illumination when the specimen is translucent and light can pass through it. If the specimen is opaque, then the light will not go through it, but will form a profile of the specimen. Measuring of the sample can be done on the projection screen. A profile projector may also have episcopic illumination which is light shining from above. This useful in displaying bores or internal areas that may need to be measured.
If you have a need for a profile projector or optical comparator, please contact us today. We have several lines available, including versions with manual micrometers or newer versions with digital readouts and digital micrometers for accurate and fast microscope measuring.
Call our Sales Hotline at 1-877-384-3931
or Email sales@profileprojector.com
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