Parameter |
Name |
Ra |
Roughness Average (Ra) |
Rq |
Root Mean Square (RMS) Roughness |
Rt |
Maximum Height of the Profile |
Rv, Rm |
Maximum Profile Valley Depth |
Rp |
Maximum Profile Peak Height |
Rpm |
Average Maximum Profile Peak Height |
Rz |
Average Maximum Height of the Profile |
Rmax |
Maximum Roughness Depth |
Rc |
Mean Height of Profile Irregularities |
Rz(iso) |
Roughness Height |
Ry |
Maximum Height of the Profile |
Wt, W |
Waviness Height |
S |
Mean Spacing of Local Peaks of the Profile |
Sm, RSm |
Mean Spacing of Profile Irregularities |
D |
Profile Peak Density |
Pc |
Peak Count (Peak Density) |
HSC |
Hight Spot Count |
la |
Average Wavelength of the Profile |
lq |
Root Mean Square (RMS) Wavelength of the Profile |
Da |
Average Absolute Slope |
Dq |
Root Mean Square (RMS) Slope |
Lo |
Developed Profile Length |
lr |
Profile Length Ratio |
Rsk,Sk |
Skewness |