In this episode, Craig Howell, owner and president of CPM Labs, talks about handheld profilometers (surface roughness).
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Each of these episodes gives a quick, concise overview of how to handle/use a variety of basic gauges. Each episode is 5 to 10 minutes in length, just enough to get the point across without taking up your lunch time.
CPM Laboratories
2945 Kilgore Road
Rancho Cordova, CA 95670
Phone: 916-635-4489
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Comments
Terminology
It is a good initiative with the video presentations. However, "cut-off" is not a frequency as stated in the presentation. It is a length - as also indicated on the back of the instrument. So when it is stated in the presentation that you should have a high "cut-off frequency" for the rougher surfaces the meaning becomes the opposite, as a high cut off high frequency means a short cut off wavelength and vice versa.