Mitutoyo SURFTEST SJ-410 - ADC: Amplitude Distribution Curve

No. 99MBB765A
23-38
23.5.38 ADC: Amplitude Distribution Curve
Add a slice line to the evaluation curve over the evaluation length. Add a second slice line
that is the unit distance below the first slice line. The amplitude density is the ratio
(expressed as a percentage) of the sum of the horizontal lengths of the sections of the
evaluation profile that fall between the 2 slice levels and the evaluation length.
The amplitude distribution curve (ADC) is plotted by using the depth of the first slice level
as the ordinate value and the amplitude density for that slice level as the abscissa.
Amplitude distribution curve (ADC)
Amplitude density (%)
Slice level
Unit distance