Theoretically, what would I have to do to calibrate my finger? My career has been a lot of work with threaded connections on large turned parts and sealed pressure chambers. Surface finish has been a daily metric for a long time on large seal surfaces that’s recorded with a profilometer. I always check with my finger ahead of the gauge and record my measurement. Over time, I’ve gotten to the point where I’m within a couple of Ra of two different tool types. Could I just write a cert up with my score against different calibrated blind standards as the as-found?
submitted by /u/Badfootbarista
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