Mitutoyo SJ-210 - Evaluation Based on JIS B0601-2001 and ISO

No. 99MBB122A
18-4
■ Standard sampling lengths and evaluation lengths for measurement of Rz, Rp, and Rt from non-periodic
roughness profiles
Rz range Sampling length (ℓ) Evaluation length (ℓn)
㧔0.025㧕 㧨
Rz
҇
0.10 µm 0.08 mm 0.4 mm
0.10
㧨
Rz
҇
0.50 µm 0.25 mm 1.25 mm
0.50
㧨
Rz
҇
10.0 µm 0.8 mm 4 mm
10.0
㧨
Rz
҇
50.0 µm 2.5 mm 12.5 mm
50.0
㧨
Rz
҇
200.0 µm 8 mm 40 mm
■ Standard sampling lengths and evaluation lengths for the measurement of roughness parameters from
periodic profiles, and for the measurement of RSm from both periodic and non-periodic profiles
RSm Range Sampling length (ℓ) Evaluation length (ℓn)
0.013
㧨
RSm
҇
0.04 µm 0.08 mm 0.4 mm
0.04
㧨
RSm
҇
0.13 µm 0.25 mm 1.25 mm
0.13
㧨
RSm
҇
0.4 µm 0.8 mm 4 mm
0.4
㧨
RSm
҇
1.3 µm 2.5 mm 12.5 mm
1.3
㧨
RSm
҇
4.0 µm 8 mm 40 mm
18.1.4 Evaluation based on JIS B0601-2001 and ISO
Shown below are the standard sampling lengths and evaluation lengths for evaluation
based on JIS B0601-2001 and ISO.
■ Standard sampling lengths and evaluation lengths for the measurement of roughness parameters from
periodic profiles, and for the measurement of RSm from both periodic and non-periodic profiles
RSm Range Sampling length (ℓ) Evaluation length (ℓn)
0.013
㧨
RSm
҇
0.04 µm 0.08 mm 0.4 mm
0.04
㧨
RSm
҇
0.13 µm 0.25 mm 1.25 mm
0.13
㧨
RSm
҇
0.4 µm 0.8 mm 4 mm
0.4
㧨
RSm
҇
1.3 µm 2.5 mm 12.5 mm
1.3
㧨
RSm
҇
4.0 µm 8 mm 40 mm