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The New Elsmar Cove Forums
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 The New Elsmar Cove Forums
 Measurement, Test and Calibration
 Comparator Calibration Requirements
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| Author | Topic: Comparator Calibration Requirements |
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JV Lurker (<10 Posts) Posts: 1 |
posted 06 February 2001 10:55 AM
  
I have been investigating comparator calibration, only to find out that there is no industry standard which outlines acceptance criteria. I have asked comparator calibration companies, and they comment that nothing exists, and its up to you to determine acceptance. I understand that an R&R study can be performed to verify if it is an acceptable instrument for use in inspection, but what about gage tolerance? Does anyone know what is accepted as a tolerance for comparators? If know one knows, how can it be called calibration? IP: Logged |
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Ryan Wilde Forum Contributor Posts: 20 |
posted 06 February 2001 10:18 PM
You will have to give a bit more detail than "comparator". I can think of a few dozen different types of comparators off the top of my head. Calibration is the comparison of an unknown to a known traceable standard. There is no tolerance. Tolerance does not come into play until you are performing verification. If you measured it, you calibrated it. ------------------ IP: Logged |
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