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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.
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.
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What are all the errors in a profile projectors and how to check the errors?
Common errors in profile projectors include misalignment of the optics, lens distortion, and stage movement inaccuracies. To check for errors, ensure the projector is properly calibrated, check for any dirt or debris affecting the optics, and verify that the stage moves smoothly and accurately. Additionally, conduct regular maintenance and calibrations to prevent errors from occurring.
When was Dirty Projectors created?
Dirty Projectors was created in 2002.
What is the role of infocus projectors?
Infocus projectors are made for the office, home, classroom, and for all presentation needs. Infocus projectors can also be useful in churches and the courtroom. The projectors are for presentation purposes.
What is disadvantages of profile projectors?
Some disadvantages of profile projectors include limited measuring range, manual operation leading to human error, and the need for frequent calibration to maintain accuracy. Additionally, they are not suitable for measuring complex geometries or surfaces with irregular shapes.
Are DLP or LCD projectors best?
LCD projectors are by far the best
Can any projectors be both rear and front?
Most projectors have the means to be a rear and front projection system. The only projectors that are unable to do this are the cheaper projectors you find at Office Depot used for powerpoint shows.
How much are NEC projectors?
NEC's multimedia projectors cost from $310 to about $5,000. They also make cinema projectors which are even more expensive.
Do they still make old style school projectors?
I haven't seen a retro school projectors on the market today but, If you really like the old school projectors you can get some restored projectors for a good price. anonymous@oola.com
Does Staples carry LCD projectors?
Staples offers several styles and brands of LCD projectors online. They also carry DLP projectors which is a newer technology.
Which is a type of smaller low-cost data projector?
LCD projectors and DLP projectors
What is Gulliver's opinion of the political projectors?
Gulliver thinks the political projectors are boring and out of their minds.
Do LCD projectors use LED lights?
Some lower-output projectors (and all of the new so-called 'nano' projectors) use LED's for their light source. Most higher-output projectors use incandescent halogen or HID lamps for the light source.
