Are those valleys in my measurement data real?

“Can I trust my measurement?” That question drives us to produce meaningful measurement results. In this post we examine how dirt and debris can produce artificial “features” in surface texture data—errors that are sometimes the exact opposite of what you might expect to find. And those errors may have you chasing down changes in your process that aren’t really there. We’ll show you what to look for, and some steps you can take to tell whether features are real or not.

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