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Advanced Settings
confocalDT 24x1
Move the measuring object with the rear edge to start of measuring range and note
the current thickness value at end of measuring range.
Calculate the respective refractive indices using the following formula, the nominal
thickness and the three measured thicknesses.
=
* D
n
n
NOM
D
ACT, MBx
new
1
MBx
MBx
,
,
n
new, MBx
Refractive index, new material at SMR, MMR and EMR
n
1, MBx
Refractive index, raw material at SMR, MMR and EMR
D
Nom
Nominal thickness (exact thickness of the used
measuring object)
D
ACT MBx
Actual thickness (the thickness of measuring object
displayed by measurement system) at SMR, MMR and
EMR
Fig. 60 Formula for determination of the refractive indices
Change to the
Material database
menu and replace the refractive indices by
the calculated values. The refractive indices for start of measuring range, midrange
and end of measuring range correspond the 3 refractive indices nF, nd and nC in a
rough approximation.
Change to the
Measurement
tab and check the thickness values for start of
measuring range, midrange and end of measuring range.
Repeat steps to increase the accuracy of the refractive indices.
