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How do you calibrate a Granite surface plate? Or what instruments would one use to calibrate a surface plate?
It has been brought to my attention that the company that does our surface plate calibration may not be doing their job thoroughly. Our calibration rep tells me that the outside calibration tech that we hired to calibrate our surface plate spends less than 3 minutes to calibrate the surface plate and he only cleans it.
I am a bit concern over this but would like to see first hand before I bring up the issue, I have seen surface plate calibration before but it has been a couple of years and may need a refresher. If any one could shed some light I would appreciate it. Thanks.
It has been brought to my attention that the company that does our surface plate calibration may not be doing their job thoroughly. Our calibration rep tells me that the outside calibration tech that we hired to calibrate our surface plate spends less than 3 minutes to calibrate the surface plate and he only cleans it.
I am a bit concern over this but would like to see first hand before I bring up the issue, I have seen surface plate calibration before but it has been a couple of years and may need a refresher. If any one could shed some light I would appreciate it. Thanks.

