Tolerance and MPEs for Re-calibration


Starting to get Involved
When re-calibrating measuring equipment can I keep my tolerances in line with the manufacturer’s specifications, or is it best practice to calculate the MPE and use that as my tolerance? I read in my referenced calibration standards overview (VDI VDE 2618 section 6.2.4) that manufacturer-specified tolerances are considered very narrow, the passage actually refers to them as “too narrow”. And to that matter, do I have to calculate the MPE for every single gage I calibrate?
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