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"SP600" probe measures too small

Henniger123
Good day,

I have a problem with the "SP600" probe head.
The diameters are, regardless of whether they are scanned or with an auto-element circle, it is always exactly 0.010mm smaller than it should.

Tested on a purchased ring with a certificate

Calibration says 1my standard deviation.

Maintenance says everything is ok.

Temperature compensation is off, but the room temperature is 20.5 ° C

Is it possible that the calibration is set incorrectly?
or is it a hardware error?

what can i do differently?


Useing pcDMIS 2020R1


Thank you for your time

Parents
  • Good day,

    Thank you very much for your feedback

    I'm not sure about the diameter of the "cal-sphere", but the certificate for this should still be around somewhere. Afterwards dig a bit.

    "lower matrix" hasn't been done for a while, so that could also be the problem. (why does that influence the measured diameter? just curious)

    So what do I have to consider with "lower matrix" or simply press the button with the reference probe?

    Thank you for your time.
Reply
  • Good day,

    Thank you very much for your feedback

    I'm not sure about the diameter of the "cal-sphere", but the certificate for this should still be around somewhere. Afterwards dig a bit.

    "lower matrix" hasn't been done for a while, so that could also be the problem. (why does that influence the measured diameter? just curious)

    So what do I have to consider with "lower matrix" or simply press the button with the reference probe?

    Thank you for your time.
Children
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